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FAQ What's new
2008/04
Thyristor/TRIAC
 Gate trigger characteristics specification
Holding current
Malfunctioning
Specifications
Items in specifications
Electrical specifications
Semiconductor
What is the difference between an IC and an LSI?
Reliability
Reliability test
Purchasing
Production status and supply
Photocouplers
Characteristics
Part Numbers
3-pin regulator (series regulator)
Opreational Amplifiers
Characteristics
Mounting/Assembly
Metal masks
Lead-free
Part number of lead-free product
FET
Characteristics in the reverse direction
Equivalent Products
Phase-out products/discontinued products
Comparator
Application
Commonalities and Differences
Characteristics
Background Knowledge
Undefined state
Interrupt
2008/02
V850 : Ratings
CLKOUT synchronization and CLKOUT asynchronization standards (common to V850)
Common Items : Screening (flash microcontroller and OTP microcontroller)
Screening (flash microcontroller and OTP microcontroller)
Common Items : Power Supply
Regulator
AVref power supply when not using A/D function
78K0Rtools : [ID78K0R-QB] Setting Debug Environment
In spite of making initial settings, the status bar says "Uninitialize Memory Read" and executes a break while the timer interrupt program is being executed or when the system is restarted.
Can a project file be read even after the debugger is started up?
78K0Rtools : [ID78K0R-QB] Setting Break Event
What is the difference between hardware break and software break?
A breakpoint set on the Source window cannot be canceled.
How can a break event be set on the source?
Is there any method of execution with the setting of breakpoints not canceled but temporarily ignored?
Can a break occur when a specific bit of a variable is inverted?
When an event condition is set in the timer dialog box of the debugger and the [Set] button is clicked, error message "0400(F): Illegal condition." is displayed.
Please tell me how to set a hardware breakpoint on the Source window?
What should be done to break only when a specific value is written to a specific variable, using a debugger?
Some functions cannot set a breakpoint.
78K0Rtools : [ID78K0R-QB] Saving Debug Environment
Can trace results be saved to a file?
78K0Rtools : [ID78K0R-QB] Others
When I stop the program using the break function, the Source window opens, but the line where the break occurred is not displayed.
An uploaded Motorola S type hex file does not have an S0 record.
What is the difference between the active status and static status?
The tab size of the Source window is different from the tab size of the editor.
What operation will be performed if an illegal address is accessed on the actual system?
A stack overflow occurs and the global variable overlaps the other variables when the debugger is used.
The source cannot be viewed during debugging.
78K0Rtools : [ID78K0R-QB] General
What OSs are supported?
78K0Rtools : [ID78K0R-QB] Execution Time measurement
When execution of a processing program was stopped, "TIME OVER FLOW" was displayed in the status bar.
Please tell me how to measure time from program execution to a break by using the ID78K0R?
78K0Rtools : [ID78K0R-QB] Data Confirmation
I calculated the checksum value of the ROM area (0000h to 3FFDh) using the user program, but the value differed depending on whether I use the system simulator (SM+ for 78K0R) or the integrated debugger (ID78K0R-QB).
All the SFR values in the Memory window are displayed as "?".
Does the ID78K0R support any function to display the contents of all RAMs in real time?
How are the contents of a pointer type variable and structure referenced?
Can data in a specified zone be traced?
The value of variable WORK+10 is checked on the Watch window but it is not correct.
What is displayed in the Memory window when memory is mapped?
78K : Product Differences and Substitutes
Differences between 78K0/Kx2 and 78K0S/Kx1+ (78K0/Kx2, 78K0S/Kx1+)
Differences among 8-bit microcontroller products (78K0/78K0S)
78K : Other..Prohibited Items
What happens when a prohibited value is set to a register?
78K : Memory Allocation.. Directives, LOCATION
RAM area pointed to by 16-bit stack pointer [78K0R]
78K : I2C Bus
What is the simplified I2C? [common to 78K0R]
78K : Flash programming
Conditions of VDD power supply current of flash memory programming characteristic [78K0/Kx2, 78K0/Lx2]
78K : Clock
Is 2.5 V a suitable voltage for the X1 pin of the X1 oscillator? [78K0R/Kx3]
78K : Boot swap function
Boot swap function (78K0/Kx2)
Transistor
Base current of transistor with on-chip resistor
Differential amplification
Thermal resistance
Thyristor/TRIAC
Critical rate rise of off-state voltage dVD/dt
Thermal Design
Case examples
Reliability
Use environment
Purchasing
Usage
Optical MOSFET
Characteristics
Noise Countermeasures
Surge/static electricity prevention
Basics
Handling of Unused Pins
General handling of unused pins on CMOS-type ICs (uPDxxx, etc.)
FET
Definitions of rated voltages
Specification of cut-off current
Protection diode of 2SK1288
Export
Microcontroller performance
Diode
What is a product with a low temperature coefficient?
How to measure Zener voltage
Common Items
How to read symbols of absolute maximum ratings
Symbols on labels
CCD
All CCD products: Transistors in stage following out pin in application circuit example
Background Knowledge
Electromagnetic shield
2008/01
V850tools : [RX850V4] Task
What is a task stack?
V850tools : [RX850V4] Interrupt
Is multiple interrupt servicing supported?
V850tools : [RX850Pro] Time Management
Please tell me how to activate a cyclic handler in the RX850Pro.
V850tools : [RX850Pro] Memory
How can I estimate the sizes of the ROM/RAM areas used by the RX850Pro?
V850tools : [RX850] Memory
How can I estimate the sizes of the ROM/RAM areas used by the RX850?
V850tools : [RX850] General
How much of the RAM does the RX850 use?
V850tools : [Applilet] General
What devices are supported?
Common Items : Oscillation
Matching
Common Items : Kinds of microcomputers
Low-pin-count microcontrollers
All Flash
Names of microcomputers
Common Items : Key Interrupt and Chattering Countermeasures (78K0/Kx2)
Key interrupt and chattering countermeasures (78K0/Kx2)
78K4tools : [SP78K4] General
What is the configuration of SP (software package)?
78K4tools : [RA78K4] Link and Memory Mapping
When the vacant area of ROM is filled with NOP instructions and then execution jumps to initial settings by using the jump instruction as a countermeasure against a microcontroller hang-up, is there any way other than using manual input?
78K0tools : [SP78K0] General
What is the configuration of SP (software package)?
78K0Stools : [SP78K0S] General
What is the configuration of SP (software package)?
78K0Stools : [RA78K0S] Link and Memory Mapping
When the vacant area of ROM is filled with NOP instructions and then execution jumps to initial settings by using the jump instruction as a countermeasure against a microcontroller hang-up, is there any way other than using manual input?
78K0Stools : [IECUBE] Others
When using the IECUBE, what is the difference between the USB 1.1 and USB 2.0 connections?
78K0Rtools : [SP78K0R] General
What is the configuration of SP (software package)?
78K0Rtools : [SM+ for 78K0R] Setting Debug Environment
Can operations related to interrupt processing be checked by using an I/O panel when the simulator is used?
Can simulation at assembly language level be executed with the simulator?
Can operations on the I/O panel (such as pressing a switch) be automatically executed by inputting commands on the Console window?
78K0Rtools : [SM+ for 78K0R] Setting Break Event
Is there any method of execution with the setting of breakpoints not canceled but temporarily ignored?
How can a break event be set on the source?
A breakpoint set on the Source text window cannot be canceled.
78K0Rtools : [SM+ for 78K0R] Saving Debug Environment
Can trace results be saved to a file?
78K0Rtools : [SM+ for 78K0R] General
Can a host machine having Hyper-Threading function or multi CPU function be used when SM+ is used?
78K : Decimal calculations with microcontrollers (78K0, 78K0S, 78K0R)
Decimal calculations with microcontrollers (78K0, 78K0S, 78K0R)
Transistor
Transient thermal resistance characteristics graph
Reliability
External appearance
Part Numbers
ICs and array elements
FET
Total dissipation
Common Items
Thermal resistance of SC-59 package
Background Knowledge
Video codec
Asynchronous SRAM
Continuous access
2007/11
Communication : IEBus Interface (uPD6708, uPD72042, uPD72042B)
Relationship between high level/low level on IEbus and logic 0/1
Common Items : Switching operating clocks at power-on (78K0/Kx2 and 78K0R)
Switching operating clocks at power-on (78K0/Kx2 and 78K0R)
Common Items : Software I2C bus communication program for 78K0S (78K0S/Kx1+ common, program samples are targeted for KY1+)
Software I2C bus communication program for 78K0S (78K0S/Kx1+ common, program samples are targeted for KY1+)
Common Items : Simple ways to use A/D converters (78K0/Kx2, 78K0S/Kx1+)
Simple ways to use A/D converters (78K0/Kx2, 78K0S/Kx1+)
Common Items : Option bytes (78K0/Kx2, 78K0S/Kx1+)
Option bytes (78K0/Kx2, 78K0S/Kx1+)
Option bytes settings (common for 78K0/Kx2, 78K0S/Kx1+)
Common Items : LED drive methods (78K0/Kx2, 78K0S/Kx1+)
LED drive methods (78K0/Kx2, 78K0S/Kx1+)
Common Items : Key switch input in microcontrollers (part 2)
Key switch input in microcontrollers (part 2)
Common Items : Dynamic display methods for LEDs (78K0/Kx2, 78K0S/Kx1+)
Dynamic display methods for LEDs (78K0/Kx2, 78K0S/Kx1+)
78K : Serial Communication
Support for Microwire (common to almost all devices that include CSI)
Troubleshooting
The clock oscillator won't oscillate.
Transistor
Switching characteristics
hFE degradation
Thermal Design
Thermal resistance of IC package
Shunt Regulator
Basics
Application
Semiconductor
What is the operating principle of a semiconductor device?
Purchasing
Imitation products
Mounting/Assembly
Lead-free products
Soldering
Electricity
Electricity-related units
Diode
Dynamic impedance
Company and Business
Areas of business
Common Items
Characteristics
CCD
All CCD products: S/N ratio
uPD8884A: Data transfer time
Background Knowledge
MSB/LSB (Most Significant Bit/Least Significant Bit)
3-terminal Regulator
Application
2007/10
Troubleshooting
Internal damage to pins has occurred.
Semiconductor
What are optical semiconductors?
What are compound semiconductors?
Semiconductor product types
Photocouplers
Applications
Basics
Mounting/Assembly
Countermeasures against static electricity
FET
Current rating of products with 2 elements
Diode
Difference between 1SS220, 1SS221, and 1SS222, 1SS223
Common Items
Derating
2007/09
Timer IC
Purpose of capacitor connected to the control pin
Voltage range of control pin
Internal reference voltage
Reason for difference between theoretical and actual output pulse values
Trigger operation
Simultaneous Trigger and Reset input
Thyristor/TRIAC
Reason why the package of the AC08FSM has been changed
What is the difference between AC08FSM and AC08FSMA?
Shipping Form
Labels
Environmental Impact
JIG (Joint Industry Guide)
Common Items
Phase out of small-signal type THD products
Background Knowledge
OS(Operating System)
Analog Switch IC
Difference between the uPD4066B (discontinued) in the CMOS4000 series and uPD5200/5201
The resistance value between input and output when the switch is OFF
How to prevent latch-up
Conditions that cause latch-up
Latch-up-proof architecture
Use with single power supply
2007/08
Communication : IEBus Interface (uPD6708, uPD72042, uPD72042B)
Input voltage of BUS+ and BUS- pins
Thyristor/TRIAC
Effective on-state current rating and average on-state current rating
Specifications
Absolute maximum ratings
Perspectives and cautions related to the specifications
Shipping Form
Heat resistance of reel
Noise Countermeasures
Placing capacitor
Basics of EMS design
LCD Driver
Data sheet
FET
Pulse current rating
Background Knowledge
Instruction set and addressing mode
Electric angle and mechanical angle
Phase
All OSD LSIs
What is the VRAM (video RAM) write command?
2-byte continuous command transfer
3-terminal Regulator
Basics
2007/06
uPD77210 Family
Writing to internal data RAM via reboot
Boot header read settings when reading external memory
Troubleshooting
I can't output a high level from a microcontroller's port
Part Numbers
Diodes and transistors
Mounting/Assembly
Prebaking
Lead-free
Replacement with lead-free products
Soldering materials
CCD
All CCD products: Comparison of response
Background Knowledge
Whisker
2007/05
Export
Flash microcontrollers
2007/04
Video-System OSD LSIs (uPD6464A, 6465)
Command continuous input enable time
Transistor
Mount pad for surface mounting
Shipping Form
Taping specifications
Mounting/Assembly
Moisture-proof coating
(Mount pad) dimension
Lead-free
Lead-free mark
Flame Retardancy
Flame retardancy grades
FET
Gate protection
Common Items
Package
Items to confirm when selecting a product
CCD
uPD3739: Influence of crosspoint phase lag of clock
Background Knowledge
Parity
Checksum
2007/03
V850 : Pins..DC Characteristics, Pin Handling
Processing of port/control alternate-function pins [V850E/MS1]
Common Items : Table referencing and interpolation processing
Table referencing and interpolation processing (The program example used applies to model 78K0. Everything else applies to the whole series.)
Common Items : Key Switch Input into Microcontroller
Key switch input into microcontroller
Transistor
Operating area
Heat sink
Thyristor/TRIAC
Large-current product substitutes
Opreational Amplifiers
Application
Basics
FET
Gate cut-off voltage
Environmental Impact
Administration on the Control of Pollution Caused by Electronic Information Products (China RoHS)
Diode
N413 color codes
Power dissipation and reverse power ratings
Comparator
Characteristics
Commonalities and Differences
Package
Differences
Background Knowledge
S/N ratio (SNR: Signal to Noise Ratio)
rpm (Revolutions Per Minute)
NF (Noise Figure)
bps (Bits Per Second)
Pipeline
Bias
Transceiver
Darlington circuit
Cache memory
Arbitration
Bus cycle
Synchronization
Timing chart
Sampling
Instruction cycle
2007/02
Transistor
Maximum rating of collector current
Why does total power dissipation differ for the same package?
Externally attached diode when using L load
Mounting conditions when there is no heat sink
Part Numbers
Taping
FET
Drain current rating derating
Diode
Total power dissipation of products with 2 elements
CCD
All CCD products: Position of center pixel
All CCD products: Difference between clamp voltage (offset level) and average dark signal (ADS) voltage
uPD8827A: Number of buffers for driving each clock
uPD8827A: Meaning of power supply
Background Knowledge
S parameter (Scattering parameter)
h parameter (hybrid parameter)
Reflection
Smith Chart
Impedance matching
2007/01
Video-System OSD LSIs (uPD6464A, 6465)
Necessity of fsc input
Timer IC
Meaning of coefficient t1 = 0.693·C1·(R1 + R2) in astable multivibrator
uPC1555: Meaning of coefficient t = 1.1·R1·C1 in monostable multivibrator
FET
Use of 2SK1583 as a high-side switch
Common Items
Thermal resistance of SC-62 package
Background Knowledge
Fleming's rule
Resonance
Electromagnetic induction
Sampling of A/D converter
2006/12
Communication : USB2.0 USBHUB
Basic specifications
Types of Power Supply ICs
Types of series regulators
Thyristor/TRIAC
Thermal design
Fusing current
Shipping Form
Number of products on 1 tray/tape/reel
Sample
Obtainment of samples
Reliability
Failure rate
Life of semiconductor
Quality/Reliability Terms
Bathtub Curve
Purchasing
Lot number
Export
Parameter sheet
Non-applicable product list
Common Items
Marking display
Power rating
Background Knowledge
Differential amplification circuit
Ohm's law
Macro instruction
Subroutine
Decibel (dB)
Stack
Dead-lock
2006/11
Communication : uPD72001 (MPSC)
Substitutes
Troubleshooting
The circuit doesn't operate.
Environmental Impact
RoHS
Diode
1S953 substitutes
Common Items
Packages
CCD
uPD8884A: A/D converter for receiving output
uPD3739: Storage time
Background Knowledge
Speech/music codec
POC (Power-On-Clear) function
Electromagnetic wave and electric wave
mil
Filter
Bypass capacitor
2006/10
Communication : uPD98405 (ATM Integrated SAR Controller)
Register contents
Transistor
Vceo and Vces
Thyristor/TRIAC
Marking
Lead-free
Data sheets of lead-free products
Insulating bushing
LCD Driver
uPD160061A: Number of pixels that can be displayed
FET
Heat fin wiring
Charge specifications
Diode
L rank model of RD[ ]E
Comparator
Basics
Common Items
Marking product name
Flow (wave) soldering
Package drawing
Background Knowledge
Middleware
Firmware
Power Supply and Ground
Interface
2006/09
Communication : USB General
USB overview
USB specifications
Switching Regulator
Basics
Part Numbers
Zener diode
Diode
Capacitance between Zener diode pins
Background Knowledge
Operating voltage and system clock
Clock oscillation stabilization time
2006/08
V850tools : [SM850] Setting Debug Environment
Can operations related to interrupt processing be checked by using an I/O panel during simulation?
Can simulation at assembly language level be executed with the simulator?
Can operations on the I/O panel (such as pressing a switch) be automatically executed by inputting commands on the Console window?
V850tools : [SM850] Others
Message "E10034. Can not open data-basefile(simulator)." is displayed when the simulator was started up.
An uploaded Motorola S type hex file does not have an S0 record.
V850tools : [SM850] General
Can the V850ES/SG2 be simulated?
V850tools : [SM850] Execution Time Measurement
As a result of measuring time with the timer function, the time tag displayed on the Trace window is different from the expected value.
V850tools : [SM+] Setting Debug Environment
Can operations related to interrupt processing be checked by using an I/O panel during simulation?
Can simulation at assembly language level be executed with the simulator?
Can operations on the I/O panel (such as pressing a switch) be automatically executed by inputting commands on the Console window?
V850tools : [SM+] Others
An uploaded Motorola S type hex file does not have an S0 record.
V850tools : [SM+] General
Can the V850ES/SG2 be simulated?
V850tools : [SM+] Execution Time Measurement
As a result of measuring time with the timer function, the time tag displayed on the Trace window is different from the expected value.
V850tools : [RX850Pro] Others
A real-time OS (RX850 Pro) cannot be used with the PM+ Ver.6.00.
What processing is required before initializing a real-time OS (RX850 Pro) at reset?
V850tools : [RX850Pro] General
Which should be used, RX850 or RX850 Pro?
V850tools : [RX850] Time Management
When task processing is delayed specified time by dly_tsk, task processing is resumed earlier than the time specified by dly_tsk.
V850tools : [RX850] Others
A real-time OS (RX850) cannot be used with the PM+ Ver.6.00.
What processing is required before initializing a real-time OS (RX850) at reset?
V850tools : [RX850] General
What are the differences between RX850 and RX850 Pro?
V850tools : [PM+] Project Window
Based on what are the source files displayed in the Project window aligned?
Can the folder of source files be displayed on the Project window?
V850tools : [N-Wire CARD] Setting Debug Environment
Can N-Wire Card (IE-V850E1-CD-NW) be used with a desk-top PC?
An error message is displayed during the startup of the ID850NWC, and the ID850NWC cannot be started.
V850tools : [N-Wire CARD] General
Can flash memory self programming be emulated with N-Wire Card (IE-V850E1-CD-NW)?
V850tools : [IECUBE] Others
When using the IECUBE, what is the difference between the USB 1.1 and USB 2.0 connections?
V850tools : [IE] Setting Debug Environment
What should be noted on the sequence of power application?
Can N-Wire Card (IE-V850E1-CD-NW) be used with a desk-top PC?
An error message is displayed during the startup of the ID850NWC, and the ID850NWC cannot be started.
V850tools : [ID850QB] Setting Debug Environment
Can N-Wire Card (IE-V850E1-CD-NW) be used with a desk-top PC?
An error message is displayed during the startup of the ID850NWC, and the ID850NWC cannot be started.
V850tools : [ID850QB] Others
When using the IECUBE, what is the difference between the USB 1.1 and USB 2.0 connections?
An uploaded Motorola S type hex file does not have an S0 record.
V850tools : [ID850QB] General
What is the difference between ID850NWC and ID850QB?
Can flash memory self programming be emulated with N-Wire Card (IE-V850E1-CD-NW)?
V850tools : [ID850QB] Data Confirmation
An attempt was made to write data to an area set in big endian on the Memory window, but it was located in memory as if it were little endian.
V850tools : [ID850NWC] Setting Debug Environment
Can N-Wire Card (IE-V850E1-CD-NW) be used with a desk-top PC?
An error message is displayed during the startup of the ID850NWC, and the ID850NWC cannot be started.
V850tools : [ID850NWC] Others
An uploaded Motorola S type hex file does not have an S0 record.
V850tools : [ID850NWC] General
What is the difference between ID850NWC and ID850QB?
Can flash memory self programming be emulated with N-Wire Card (IE-V850E1-CD-NW)?
V850tools : [ID850NW] Others
An uploaded Motorola S type hex file does not have an S0 record.
V850tools : [ID850NW] Data Confirmation
An attempt was made to write data to an area set in big endian on the Memory window, but it was located in memory as if it were little endian.
V850tools : [ID850] Setting Debug Environment
Error message "A01a6. Executor is running." is displayed when the ID850 is started up.
V850tools : [ID850] Others
An uploaded Motorola S type hex file does not have an S0 record.
V850tools : [ID850] Data Confirmation
An attempt was made to write data to an area set in big endian on the Memory window, but it was located in memory as if it were little endian.
V850tools : [CA850] Startup Module
What setting should be made to locate a stack area at specified addresses?
V850tools : [CA850] ROMization
Can a source be debugged with a file output by the ROMization processor?
V850tools : [CA850] Link and Memory Mapping
How can variables be allocated in the order in which they have been declared?
Message "F4264. start address (0x00000070) of section "SECURITY_ID" overlaps previous section "ILGOP" ended before address (0x00000080)." is displayed during linking.
Message "F4257. segment "CONST" overflowed highest address of target machine." is displayed during linking.
V850tools : [CA850] Library
How should a link directive file be described when allocating standard library libc.a to specific addresses?
V850tools : [CA850] General
Message "F4417. code size overflow (restriction of CAKIT)." is displayed by the free tool CA850.
V850tools : [CA850] General Compiler Information
Can a code of only a specific section be output when a HEX-format file is generated?
Can 16-bit data be filled in an unused area by using the -U option of the hex850?
Message "W4608. input files have different register mode. Use -rc option for more information." is displayed when an object file is compiled.
How should an interrupt handler be described?
Does the hex converter for the V850 Microcontrollers have an option that sorts sections in the ascending order of addresses?
A debug information generation option (-g) is specified for building with PM+, but breakpoints cannot be set with the debugger or simulator, and debugging cannot be executed.
Line numbers cannot be obtained correctly from output information when analysis is performed by setting "Use V850 preprocessor" on the [Cross reference] tab of a static performance analysis tool.
Can a program located in external ROM be copied to internal RAM and executed from internal RAM?
"W2172. constant out of range" is displayed at the minimum value of int (-2147483648).
2006/07
V850tools : [RX850Pro] Configuration
If two or more READY-status tasks with the same task priority are generated by the configuration definition file of the RX850 Pro, in which order are the tasks placed in the RUN status after the OS is started?
Is there any problem if the version of the OS of the RX850 Pro differs from that described in the configuration definition file?
V850tools : [RX850] Configuration
If two or more READY-status tasks with the same task priority are generated by the configuration definition file of the RX850, in which order are the tasks placed in the RUN status after the OS is started?
Is there any problem if the version of the OS of the RX850 differs from that described in the configuration definition file?
V850tools : [N-Wire CARD] General
Can N-Wire CARD (IE-V850E1-CD-NW) be used in MULTI environment?
V850tools : [N-Wire CARD] File Download
An error occurs on downloading if N-Wire CARD (IE-V850E1-CD-NW)/IECUBE (QB-V850xxxx) is used with MULTI.
V850tools : [IECUBE] General
Can IECUBE (QB-V850xxxx) be used in MULTI environment?
V850tools : [IECUBE] File Download
An error occurs on downloading if N-Wire CARD (IE-V850E1-CD-NW)/IECUBE (QB-V850xxxx) is used with MULTI.
V850tools : [CA850] ROMization
What should be done to output the HEX code of a specified block?
V850tools : [AZ850] Trace data
Time displayed in AnalyzeWindow of AZ850 is not synchronized with the actual time.
Communication : IEBus Interface (uPD6708, uPD72042, uPD72042B)
Transfer rate
78K4tools : [RA78K4] Link and Memory Mapping
Can it be checked to where the stack is assigned?
If a variable is located in the external memory space, an error occurs during linking.
Error F111 is output during linking with the 78K4
78K4tools : [RA78K4] Converter
The object converter outputs error F201.
78K4tools : [PM+] Others
Can the address of a variable be checked?
78K4tools : [PM+] General
What device is supported by PM+ and what types of packages are available?
78K4tools : [ID78K4] Setting Debug Environment
Error message "1004(F): Illegal condition." is displayed when the ID78K4 is used.
78K4tools : [CC78K4] Startup Module
How should an option byte be set?
The startup routine is modified but “_@STBEG” symbols result in an undefined symbol error during linking.
78K4tools : [CC78K4] Link and Memory Mapping
Can it be checked to where the stack is assigned?
If a variable is located in the external memory space, an error occurs during linking.
78K4tools : [CC78K4] General
Can a bit field of 32 bits be created?
There are startup routines “Normal”, “For boot area”, and “For flash area”. Which should be used?
Building with PM+ fails if #pragma section command is executed.
What should be done to learn the address of a global variable described in C?
What should be done to place a variable with default value for only reference in ROM?
78K0tools : [RX78K0] Task
Is a multiple interrupt service function supported?
Is there a restriction on locating the management area of the RX78K0 into memory?
78K0tools : [RA78K0] Link and Memory Mapping
Can it be checked to where the stack is assigned?
If a variable is located in the external memory space, an error occurs during linking.
After the version is upgraded, error E3206 occurs for the @@CALF segment during linking.
Does the 78K0 have a function to prohibit locating variables to the general-purpose register area?
78K0tools : [RA78K0] General
With the RA78K0, warning message "W4301: Can't initialize RAM area 'fe20h − fe27h'" is displayed.
78K0tools : [RA78K0] Converter
The object converter outputs error F201.
78K0tools : [PM+] Others
Can the address of a variable be checked?
78K0tools : [PM+] General
What device is supported by PM+ and what types of packages are available?
78K0tools : [CC78K0] Startup Module
How should an option byte be set?
The startup routine is modified but “_@STBEG” symbols result in an undefined symbol error during linking.
78K0tools : [CC78K0] Link and Memory Mapping
Can it be checked to where the stack is assigned?
If a variable is located in the external memory space, an error occurs during linking.
After the version is upgraded, error E3206 occurs for the @@CALF segment during linking.
Does the 78K0 have a function to prohibit locating variables to the general-purpose register area?
78K0tools : [CC78K0] General
Can a bit field of 32 bits be created?
There are startup routines “Normal”, “For boot area”, and “For flash area”. Which should be used?
Building with PM+ fails if #pragma section command is executed.
What should be done to learn the address of a global variable described in C?
What should be done to place a variable with default value for only reference in ROM?
Do I have to consider the 2-byte alignment when describing programs in C?
78K0tools : [Applilet] How to Use Applilet
Can set contents be saved?
How should Applilet be used?
78K0tools : [Applilet] General
How should Applilet be set up?
What types of devices are supported?
What is the recommended operating environment for Applilet?
78K0tools : [Applilet] Applilet Troubleshooting
Error message “A006 File not found ‘Files\Applilet\sample\sample.lmf’ Program Aborted.” is displayed during building.
Error message “Path or file cannot be found.” is displayed.
78K0tools : [Applilet] Applilet Code Generation
What happens to the existing file if settings are changed to re-generate the code using Applilet?
How is the generated file configured?
78K0Stools : [RA78K0S] Link and Memory Mapping
Can it be checked to where the stack is assigned?
If a variable is located in the external memory space, an error occurs during linking.
78K0Stools : [RA78K0S] Converter
The object converter outputs error F201.
78K0Stools : [PM+] Others
Can the address of a variable be checked?
78K0Stools : [PM+] General
What device is supported by PM+ and what types of packages are available?
78K0Stools : [CC78K0S] Startup Module
How should an option byte be set?
The startup routine is modified but “_@STBEG” symbols result in an undefined symbol error during linking.
78K0Stools : [CC78K0S] Link and Memory Mapping
Can it be checked to where the stack is assigned?
If a variable is located in the external memory space, an error occurs during linking.
78K0Stools : [CC78K0S] General
Can a bit field of 32 bits be created?
There are startup routines “Normal”, “For boot area”, and “For flash area”. Which should be used?
Building with PM+ fails if #pragma section command is executed.
What should be done to learn the address of a global variable described in C?
What should be done to place a variable with default value for only reference in ROM?
Do I have to consider the 2-byte alignment when describing programs in C?
78K0Stools : [Applilet] How to Use Applilet
Can set contents be saved?
How should Applilet be used?
78K0Stools : [Applilet] General
How should Applilet be set up?
What types of devices are supported?
What is the recommended operating environment for Applilet?
78K0Stools : [Applilet] Applilet Troubleshooting
Error message “A006 File not found ‘Files\Applilet\sample\sample.lmf’ Program Aborted.” is displayed during building.
Error message “Path or file cannot be found.” is displayed.
78K0Stools : [Applilet] Applilet Code Generation
What happens to the existing file if settings are changed to re-generate the code using Applilet?
How is the generated file configured?
Types of Power Supply ICs
What is a power supply?
Transistor
Electrostatic tolerance
Background Knowledge
Clock and reset
Flicker
Digital television broadcasting
Dynamic and static
Asynchronous SRAM
Data retention mode
2006/06
Communication : USB2.0 USBHUB
uPD720112, 720113 : Pins
Board design
External device
Pin processing
Outline
2006/05
Common Items : Watchdog Timer
Watchdog Timer Basics
Common Items : Standby Operation
Standby Operation
Common Items : Microcontrollers for control or embedded applications
Microcontrollers for control or embedded applications
Common Items : Microcontroller and memory
Microcontroller and memory
Common Items : Development of microcontrollers
Instructions
78K : Watchdog Timer
Using watchdog timer (78K0/Kx2)
78K : Serial Communication
Usage of Serial Interface with Automatic Transmit/Receive Function (CSIA0) [78K0/Kx]
78K : Reset Pin
Using Reset Pin as Alternate-Function Port [Low-Pin-Count Device]
78K : Product Differences and Substitutes
Differences Between uPD78064, uPD78064B, and uPD780308 Subseries
78K : Memory bank
Memory bank (78K0/Kx2)
Zero Volt Switch (ZVS)
What is a zero volt switch?
Environmental Impact
Asbestos
Background Knowledge
Pull-up/Pull-down
Time constant
Transition frequency
Resolution and precision of A/D converter
Hot plug-in
Plug & Play
Collector saturation voltage
2006/04
V850 : Writing to Flash Memory
Tools for writing to internal flash memory [V853]
V850 : Watchdog Timer
Initialization with watchdog timer interrupts [V850/SA, V850/SB]
Starting and stopping the watchdog timer by program
Operation following timeout of watchdog timer [All V850]
V850 : Timer, Counter
I cannot release STOP mode by using an INTP0n0/1 interrupt [V850/SV2]
Pulse width measurement with 8-bit timer [V850/SB]
Timer 2 operation [V850E/1A]
Timer/counter function [V850ES/Kx1]
Using a 16-bit timer as an interval timer [V850ES/Kx1]
Sequence of settings in timer control register [V853]
About settings for interval time
Synchronization of multiple timers (simultaneous count start) [V850E]
Output waveform when CRn0/1 is changed during processing [V850/S]
V850 : Serial Communication
How to use the clocked serial interface with automatic transmit/receive function [V850ES/Kx1]
I would like to transmit data via 3-wire serial communications, but I cannot get any clock output for this. [V850ES/Kx1]
I cannot issue a start condition via the I2C bus [V850ES/Kx1]
Timing of UART transmission interrupts [V850ES/Kx1, etc.]
What is the timing for setting PM22 to "1" during serial communications? [V850E/MS1]
Serial communication reception does not start.
Prewriting 2 bytes of data at transmission start [V850E/MA1]
Cautions regarding power application when performing UART communication between two CPUs
No communication interrupt occurs after data output
When using T02 or T03 as the clock output, can the T02 or T03 output pin be used as a normal port?
Basic operation of 3-wire serial communication (almost all contents common to all devices)
Basic operation of asynchronous communication (almost all contents common to all devices)
V850 : ROM Correction
Details of ROM correction [V850/S]
V850 : Reset
What is the timing for canceling a reset? Is it based on the rising edge or the level?
V850 : Programming
What should be done (commonly) first after reset and start [common to V850]
V850 : Power Supply
What mode reduces the power supply current most? (for lower power consumption)
V850 : Pins..DC Characteristics, Pin Handling
Pull-up resistance values for unused pins and bus lines
Can P00 to P07 be connected to VDD when they are not used? [V850E/MA1]
Maximum value for pull-up resistors
V850 : Other
Image of the internal peripheral I/O area
Composite theoretical performance of uPD703015A (V850/SA1)
V850 : Other Peripheral Functions
Please explain how the system wait control register (VSWC) is used. [All V850E and V850ES]
When using the P111/A1/WAIT pin for wait function, can ports 3, 10, and 11 be used for address output? [V850/SB1]
Can port input data be recognized even when the port has been set to control mode?
Which sampling edge of the WAIT signal is the correct one? [V850E/MA1]
Can an undefined state be avoided by writing a value to a port with an undefined initial value before the undefined port is set to output mode?
V850 : Memory
Is the peripheral I/O register's address FFFFFxxxH? [V850E/MS1]
Can the internal ROM be disabled and an external ROM used instead? [V850/SA1]
V850 : Interrupts
Basic operations of interrupt servicing
Interrupts triggered by software [All V850]
Initialization during interrupt service [All V850]
Interrupts and manipulation of the interrupt control register [All V850]
Bus access and interrupts [All V850]
Interrupt handler address [All V850]
Interrupt occurs during servicing of another interrupt [All V850]
Multiple interrupts [All V850]
Initial interrupt during UART transmission [All V850]
Exception processing of illegal instruction code
Can an interrupt be generated using the external interrupt pin level? [All V850]
Edge judgment method during interrupt [All V850]
Interrupt handler address
Only one interrupt is output.
Interrupts doesn't work. (3) [All V850]
V850 : I2C Bus
Overview of I2C bus
V850 : Execution Time
Programming area that allows the fastest processing
MIPS value calculation
Execution speed [All V850]
V850 : DMA
DMA transfer with I2C bus [V850/SB]
Wait during flyby transfer [V850E/MA, V850E/MS, V850E/ME]
Bus width for flyby transfers [V850E/MA, V850E/MS, V850E/ME]
Endian ordering for DMA [V850E/MA1, V850E/MA2, V850E/ME2]
Misalignment by DMA [V850E/MA1, V850E/MA2, V850E/ME2]
V850 : Difference between PPG output and PWM output
Difference between PPG output and PWM output [contents common to all devices]
V850 : Clock
STOP mode during operation of subsystem clock [Common]
Relationship between reset and clock oscillation [All V850E]
Clock settings in PLL mode [V850ES/SG2, SJ2]
Switching to the subsystem clock [V850/S]
How can I dynamically change the clock in order to reduce power consumption? [V850E/MA1]
How much clock jitter and duty are allowed? [V850E/MA1]
Operation with 6.78MHz external clock [V853]
Can a 5-MHz input be used for the X1 input during PLL mode? [V853]
Relationship between external clock and operating clock [V853]
Can the CERALOCK (resonator) be used in any mode other than PLL mode? [V850E/MS1]
50MHz clock input [V850E/MA1]
Switching time from subclock to main clock [V850]
V850 : CAN
CAN ; Settings in the various registers [V850/SF1]
V850 : A/D, D/A Conversion
Clearing of CE bit of A/D [V853, V850E/MS, V850E/MA, etc.]
Conversion results are unstable (fluctuates to adjacent channel value) [V850/SF1, V850/SA, V850/SB, V850/SC]
The A/D converter value is not correct.
Others : Remote control transmitter device..uPD6x
Are addresses too high in PRO file output by AS6133?
Errors in uPD68's development tool
Precision of uPD67's carrier
Stopping uPD67's carrier
Oscillation capacitance of uPD67
uPD65A's STTS and HALT instructions
Power-on clearing (POC) of uPD62
Evaluation of uPD61P34B's oscillator
Please describe the preamplifier used for remote control reception.
Others : 75XL Series
uPD75P008's ROM programmer products
Software timer speed: can 150 kHz be generated by software?
Voltage when external clock is input to uPD75P3116
Can 75XL development use the EVAKIT-7500/75X?
Upward compatibility of uPD75304
High-level input voltage for uPD75P3036's interrupt port
What is the advantage of using a split resistor for driving the uPD753012A's LCD with the lower resistance?
Differences between uPD75P108 and uPD75P108B
Stop location when executing the uPD75P0016's STOP instruction
Pin voltage is inadequate when using IE for uPD750008
What is the CR value near the uPD750004's oscillator?
Others : 17K Series
Poor contrast in uPD17012's LCD
Common Items : Timer counter
Timer counter basics [Common]
Common Items : Rising/falling of input signal
Standard rise time for interrupts triggered at the input signal's rising edge [Common]
Rising edge/falling edge of signal input to input pin [Common]
Common Items : Remote control
What is the NEC format? [Common]
NEC format for infrared remote control [Common]
Sample program for receiving infrared remote control signals
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