MB89181 datasheet(2/50 Pages) FUJITSU

2 / 50 page

MB89180 Series

(Continued)

• Remote control transmission output

• Buzzer output

• Watch prescaler (15 bits)

• External interrupts (wake-up function)

Four independent channels with edge detection function plus eight “L” level-interrupt channels

s PRODUCT LINEUP

(Continued)

MB89182

MB89183

MB89P185

MB89PV180

Classification

Mass production products

(mask ROM products)

One-time

PROM product

Piggyback/

evaluation

product (for

evaluation and

development)

ROM size

4 K

× 8 bits

(internal mask

ROM)

6 K

× 8 bits

(internal mask

ROM)

8 K

× 8 bits

(internal mask

ROM)

16K

× 8 bits

(internal PROM,

programming

with general-

purpose

EPROM

programmer)

32 K

× 8 bits

(external ROM)

RAM size

128

× 8 bits

256

× 8 bits

512

× 8 bits

CPU functions

Number of instructions:

136

Instruction bit length:

8 bits

Instruction length:

1 to 3 bytes

Data bit length:

1, 8, 16 bits

Minimum execution time:

0.95

µs/4.2 MHz

Interrupt processing time:

8.57

µs/4.2 MHz

Ports

I/O ports (N-ch open drain):

8 (6 ports also serve as peripherals, and 3 ports are a

heavy-current drive type.)

Output ports (N-ch open drain): 18 (16 ports also serve as segment pins*1, and 2 ports

serve as booster capacitor connection pins.)

I/O ports (CMOS):

16 (12 ports also serve as an external interrupt, and

8 ports also serve as segment pins*1.)

Output port (CMOS):

1 (also serves as a remote control pin.)

Total:

43 (max.)

8/16-bit timer/

counter

8-bit timer/counter

× 2 channels or 16-bit event counter × 1 channel

8-bit serial I/O

8 bits

LSB first/MSB first selectability

LDC controller/driver

Common output:

4 (COM2 and COM3 also serve as output ports.)

Segment output:

32 (max.)*1

Bias power supply pins:

LCD display RAM size:

× 4 bits

Dividing resistor for LCD driving (external resistor selectability)

External interrupt

(wake-up function)

4 channels (edge selection, also serve as segment pins.)*1

8 channels (only for a level interrupt)

MB89181

Part number

Parameter

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