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Products > MCUs & MPUs > Development Environment: Asia (including Japan) > for 78K0S Microcontrollers >

Comparison of Functions of IECUBE for 78K0S, MINICUBE2, and SM+


  In-Circuit Emulator On-chip Debug Emulator System Simulator
QB-78K0SKX1
(IECUBE) 		QB-MINI2
(MINICUBE2) 		SM+
Maximum operating frequency Equivalent to target device The same frequency as the target device can be set.
The actual operation frequency depends on the PC, program, and debug function used.
Emulation memory capacity Internal ROM Internal ROM capacity of the target device 1MB
Internal RAM InternalRAM capacity of the target device 60KB
External memory None No restriction
Event functions Execution None None 64 points (commonly used by execution and access)
Access 1 pointNote 1
Event link None 16 points
(Up to four sequences can be specified)
Break functions Hardware break 1 point None 64 points
Software break 2000 points None
Forced break Enable EnableNote 2 Enable
Step execution Enable
Fail-safe break Forgetting of stack pointer initialization
Breaks only 		Unavailable Enable
Trace functions Trace memory capacity 1K frame None 0-16M frames can be specified
(default is 4K frames)
Trace items Branch instruction(data/address), supplemental functions Program (address/data),
Access (address/data),
time tag
Time measurement functions Start through end of program execution Enable
Inter-event measurement None Enable: 8
Inter-event measurement result display items Total, pass count, maximum, minimum, average
Timeout break None
Real-time
RAM monitoring functions 		NoneNote 3 None All internal RAM area
Coverage functions (execution) Memory capacity None None All area
Mask functions TARGET RESET, INTERNAL RESET TARGET RESET None
Flash memory programming functions None (MINICUBE2 attached) Provided –
User spaces used for debugging – Internal ROM : 308 bytes
Internal RAM : 5 bytes 		–
Functions pins used for debugging – INTPNote 4, X1Note 5, X2Note 5, RESET  –
Interface with PC USB2.0, USB1.1 –
Simulation functions – Simulation of simple external components such as buttons and LEDs, displaying of I/O signal waveforms, customizing of external components, etc.


Notes

  1. Condition for stopping user program execution.
  2. Forcible breaks cannot be performed when interrupts are disabled (DI) or communication I/F (INTP) interrupts are masked.
  3. A pseudo RRM function that is used to monitor programs by momentarily stopping them can be used. The specifiable range is up to 8 places in 1-byte units and 16 bytes in total.
  4. The INTP pin differs, depending on the target device (INTP3 or INTP1).
  5. After a program has been downloaded, the X1 and X2 pins, and their shared functions can be debugged.