MB89174LPF datasheet(4/50 Pages) FUJITSU

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MB89170/170A/170L Series

* : Varies with conditions such as the operating frequency and the assurance range for the DTMF generator.(See

“s ELECTRICAL CHARACTERISTICS.”)

MB89P174L

Classification

Mass-produced product

(mask ROM product)

ROM size

8 K

× 8 bits

(internal mask ROM)

12 K

× 8 bits

(internal mask ROM)

RAM size

384

× 8 bits

512

× 8 bits

CPU functions

The number of instructions:

136

Instruction bit length:

8 bits

Instruction length:

1 to 3 bytes

Data bit length:

1, 8, 16 bits

Minimum instruction execution time:

0.6 to 9.6

µs at 7.16 MHz,

Interrupt processing time:

5.4 to 86.4

µs at 7.16 MHz,

Ports

Output ports (N-ch open-drain):

Output ports (CMOS):

I/O ports (CMOS):

24 (16 ports also serve as peripherals.)

Total:

8/16-bit timer/

counter

8 bits

× 2 ch or 16 bits × 1 ch, capable of rectangular wave output

One clock selectable from four operation clocks

(one external shift clock, three internal shift clocks: 2.2

µs, 35.2 µs, 563.2 µs; when operating at 3.58 MHz)

8-bit serial I/O

8 bits

LSB/MSB first selectable

One clock selectable from four transfer clocks

(one external shift clock, three internal shift clocks: 2.2

µs, 8.8 µs, 35.2 µs; when operating at 3.58 MHz)

DTMF generator



External interrupt 1

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

Rising/falling/both edges selectable

Used also for wake-up from the stop/sleep mode.

(Edge detection is also permitted in the stop mode.)

External interrupt 2

(wake-up)

8 independent channels (“L” level interrupt)

Used also for wake-up from the stop/sleep mode.

(Edge detection is also permitted in the stop mode.)

Standby mode

Sleep mode, stop mode

Process

CMOS

Operating voltage*

2.2 V to 6.0 V

EPROM for use

MB89173L

Item

Part number

MB89174LPF Datasheet(PDF) 4 Page - fujitsu semiconductor

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