3

µPD66P04B

Data Sheet U13596EJ2V0DS00

BLOCK DIAGRAM

LIST OF FUNCTIONS

Item

µPD66P04B

ROM capacity

1002

× 10 bits

One-time PROM

RAM capacity

32

× 4 bits

Stack

1 level (shared with RF of RAM)

I/O pin

: 4 pins

: 8 pins

: 2 pins

Number of keys

32 keys

48 keys (when expanded by key expansion input)

96 keys (when expanded by key expansion input and diode)

Clock frequency

RC oscillation

Instruction execution time

16

Carrier frequency

Timer

9-bit programmable timer : 1 channel

POC circuit

Internal

Supply voltage

Operating ambient

°C

temperature

°C (when POC circuit used)

Package

• 20-pin plastic SOP (300 mil)

• 20-pin plastic shrink SOP (300 mil)

Note It is necessary to design the application circuit so that the RESET pin goes low at a supply voltage of less

than 2.2 V.

PORT S

4

8

2

4

8

2

ONE-

TIME

PROM

RAM

SYSTEM

CONTROL

CARRIER

GENERATOR

9-bit

TIMER

CPU

CORE

RESET

GND

REM