UPD65 datasheet(1/64 Pages) NEC

Part #	UPD65

Description	4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION

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Manufacturer	NEC [NEC]

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4-BIT SINGLE-CHIP MICROCONTROLLER

FOR INFRARED REMOTE CONTROL TRANSMISSION

DESCRIPTION

Equipped with low-voltage 2.0 V operation, a carrier generation circuit for infrared remote control transmission,

a standby release function through key entry, and a programmable timer, the

µPD64A and 65 are suitable for infrared

remote control transmitters.

For the

µPD64A and 65, we have made available the one-time PROM product µPD6P5 (under development)

for program evaluation or small-quantity production.

FEATURES

• Program memory (ROM)

•

µPD64A : 1002 × 10 bits

•

µPD65 : 2026 × 10 bits

• Data memory (RAM)

: 32

× 4 bits

• Built-in carrier generation circuit for infrared remote control

• 9-bit programmable timer

: 1 channel

• Command execution time

: 16

µs (when operating at fX = 4 MHz: ceramic oscillation)

• Stack level

: 1 level (Stack RAM is for data memory RF as well.)

• I/O pins (KI/O)

: 8 units

• Input pins (KI)

: 4 units

• Sense input pin (S0, S2)

: 2 units

•S1/LED pin (I/O)

: 1 unit (When in output mode, this is the remote control transmission display

pin.)

• Power supply voltage

: VDD = 2.0 to 3.6 V

• Operating ambient temperature : TA = –40 to +85

°C

• Oscillator frequency

: fX = 2.4 to 8 MHz

• POC circuit

APPLICATION

Infrared remote control transmitter (for AV and household electric appliances)

Unless otherwise specified, the

µPD65 is treated as the representative model throughout this document.

MOS INTEGRATED CIRCUIT

µPD64A, 65

Document No. U14380EJ2V0DS00 (2nd edition)

Date Published November 1999 N CP(K)

Printed in Japan

The information in this document is subject to change without notice. Before using this document, please

confirm that this is the latest version.

Not all devices/types available in every country. Please check with local NEC representative for availability

and additional information.

©

1999

DATA SHEET

The mark

shows major revised points.

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