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

s PRODUCT LINEUP

Part number

Item

MB89121

MB89123A MB89125A

MB89P133A

MB89P131

Classification

Mass-produced products

(Mask ROM products)

One-time products

ROM size

4 K × 8 bits

(internal mask

ROM)

8 K × 8 bits

(internal mask

ROM)

16 K × 8 bits

(internal mask

ROM)

8 K × 8 bits

4 K × 8 bits

(Internal PROM to (Internal PROM

be programmed to be programmed

with a general- with a general-

purpose EPROM purpose EPROM

programmer)

programmer)

RAM size

128 × 8 bits

256 × 8 bits

128 × 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 at 4.2 MHz

: 8.57 µs at 4.2 MHz

Ports

Output ports (N-ch open-drain)

Output ports (CMOS)

I/O ports (CMOS)

Total

: 4 (All also serves 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 edge/falling edge/both edges selectable

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

1 channel

transmitting frequen-



(pulse width and frequency selectable



cy generator

by program)

Standby mode

Sleep mode, stop mode, watch mode

Process

CMOS

Operating voltage*

2.2 V to 4.0 V (with the dual clock option)

2.2 V to 6.0 V (with the single clock option)

2.7 V to 6.0 V

EPROM for use



* : Varies with conditions such as operating frequencies. (See “s ELECTRICAL CHARACTERISTICS”.)

(Continued)

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