78K0R/IB3

78K0R/IC3

78K0R/ID3

78K0R/IE3

Pin count and package

30 pin
SSOP

38 pin SSOP

44 pin
LQFP

48 pin
TQFP

52 pin
LQFP

64 pin LQFP (10x10mm, 12x12mm)

Internal memory

Flash memory

16K/32K

16K/
32K

16K/
32K

16K/32K/
48K/64K

32K/48K/
64K

32K/48K/
64K

RAM

1K/1.5K

1K/1.5K

1K/1.5K

1K/1.5K/
2K/3K

1.5K/2K/
3K

1.5K/2K/
3K

Main system clock

External oscillator or clock input

2 to 20MHz

High-speed internal oscillator

8MHz, 20MHz/40MHz*(Typ.)
*40MHz for only for 16-bit timers

Low speed internal oscillator

30KHz for watchdog timers (Typ.)

Sub clock

-

32.768kHz

Min. instruction execution time

0.05µs@20MHz

I/O ports

Total

23

31

37

42

47

57

CMOS I/O

21

27

33

36

40

50

CMOS input

2

4

4

4

4

4

CMOS output

-

-

-

-

1

1

N-ch open drain

-

-

-

2

2

2

Timers

16-bit timers

12ch

Watchdog timers

1ch

Real-time counters

-

1ch

Serial interface

CSI x 2ch/
UART

-

-

1ch

1ch

1ch

1ch

CSI/UART/
simplified I2C

1ch

1ch

1ch

1ch

1ch

1ch

UART

1ch

1ch

-

-

-

-

Multi-master I2C

-

-

-

1ch

1ch

1ch

Multiplier / divider

16-bit x 16-bit = 32-bit (multiplication)
32-bit / 32-bit = 32-bit (division)

Analog circuits

10-bit A/D
converters

6ch

8ch

10ch

11ch

11ch

12ch

Programmable gain amplifier

1ch (gain selectable from 1, 4, 6, 8, 10, 12)

Comparators

2ch

DMA controllers

2ch

Power on clear (POC)

Supported

Low voltage indicator (LVI)

Supported

Power supply voltage

2.7V to 5.5V