UPD62AMC datasheet(3/62 Pages) NEC

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µPD62A

Data Sheet U14474EJ1V0DS00

BLOCK DIAGRAM

KI0-KI3

KI/O0-KI/O7

S0, S1/LED

Port KI

Port KI/O

Port S

ROM

RAM

System

control

Carrier

generator

9-bit

timer

CPU

core

RESET

XIN

XOUT

VDD

GND

REM

S1/LED

LIST OF FUNCTIONS

Item

µPD62A

µPD6P4B

ROM capacity

512

× 10 bits

1002

× 10 bits

Mask ROM

One-time PROM

RAM capacity

× 4 bits

Stack

1 level (RAM also used as RF)

I/O pins

• Key input (KI):

• Key I/O (KI/O):

• Key extended input (S0, S1):

• Remote control transmission display output (LED): 1 (alternately functions as S1 pin)

Number of keys

• 32 keys

• 48 keys (when extended by key extension input)

• 96 keys (when extended by key extension input and diode)

Clock frequency

Ceramic oscillation

•fX = 2.4 to 8 MHz

Instruction execution time

µs (fX = 8 MHz)

Carrier frequency

fX/8, fX/16, fX/64, fX/96, fX/128, fX/192, no carrier (high level)

Timer

9-bit programmable timer: 1 channel

POC circuit

Mask option

Internal

Supply voltage

VDD = 2.0 to 3.6 V

VDD = 2.2 to 3.6 V (fX = 2.4 to 4 MHz)

VDD = 2.7 to 3.6 V (fX = 4 to 8 MHz)

Operating ambient temperature

TA = –40 to +85

°C

Package

• 20-pin plastic SSOP (300 mils)

• 20-pin plastic SOP (300 mils)

• 20-pin plastic SSOP (300 mils)

UPD62AMC Datasheet(PDF) 3 Page - NEC

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