MB89120 データシートの表示（PDF） - Fujitsu

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MB89120

8-bit Proprietary Microcontroller

Fujitsu 

MB89120/120A Series

(Continued)

Part number

Item

MB89P135A

MB89PV130A

Classification

One-time PROM products

Piggyback/evaluation product

ROM size

16 K × 8 bits

(internal PROM, to be programmed with

general-purpose EPROM programmer)

32 K × 8 bits

(external ROM)

RAM size

512 × 8 bits

1 K × 8 bits

CPU functions

The number of instructions

Instruction bit length

Instruction length

Data bit length

Minimum execution time

Minimum interrupt processing time

: 136

: 8 bits

: 1 to 3 bytes

: 1, 8, 16 bits

: 0.95 µs/4.2 MHz

: 8.57 µs/4.2 MHz

Ports

Output ports (N-ch open-drain ports)

Output ports (CMOS)

I/O ports (CMOS)

Total

: 4 (All also serve as peripherals.)

:8

: 24 (8 ports also serve as peripherals.)

: 36

Timer/counter

8-bit timer/counter × 2 channels or 16-bit event counter × 1 channel

Serial I/O

8 bits

LSB/MSB first selectable

External interrupt 1

3 independent channels (edge selection, interrupt vector, source flag)

Rising/falling/both edges selectable

Used also for wake-up from stop/sleep mode. (Edge detection is also permitted in stop

mode.)

External interrupt 2

(wake-up function)

8 channels (only for level detection)

Remote control

transmitting fre-

quency generator

1 channel (Pulse width and cycle selectable by program)

Standby mode

Sleep mode, stop mode, and clock mode

Process

CMOS

Operating voltage

2.7 V to 6.0 V

2.7 V to 6.0 V

EPROM for use



MBM27C256A-20TVM

3

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