UPD6P9 datasheet(3/73 Pages) RENESAS

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DATA SHEET

4-BIT SINGLE-CHIP MICROCONTROLLER

FOR INFRARED REMOTE CONTROL TRANSMISSION

DESCRIPTION

With their 2.0 V low-voltage operation, carrier generator for infrared remote control transmission, standby release

function through key input, and programmable timer, the

µPD67, 67A, 68, 68A, and 69 are ideal for infrared remote

control transmitters.

A one-time PROM product, the

µPD6P9, has also been provided for the µPD67, 67A, 68, 68A, and 69 for program

evaluation or small-quantity production.

FEATURES

• Program memory (ROM)

•

µPD67, 67A: 1,002 × 10 bits

•

µPD68, 68A: 2,026 × 10 bits

•

µPD69:

4,074

× 10 bits

• Data memory (RAM)

•

µPD67, 67A, 68, 68A: 32 × 4 bits

•

µPD69:

128

× 4 bits

• On-chip carrier generator for infrared remote control: Each high-/low-level width can be set from 250 ns to 64

µs (@ fX = 4 MHz operation) via modulo registers

• 9-bit programmable timer: 1 channel

• Instruction execution time: 16

µs (@ fX = 4 MHz operation: ceramic oscillation)

• Stack level:

1 level (Stack RAM is multiplexed with data memory RF.)

• I/O pins (KI/O):

• Input pins (KI):

• Sense input pins (S0, S2): 2

•S1/LED pin (I/O):

1 (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 = 3.5 to 4.5 MHz

• On-chip POC circuit and RAM retention detector

• Capacitor for oscillator: 15 pF (mask option)

APPLICATIONS

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

MOS INTEGRATED CIRCUIT

µPD67, 67A, 68, 68A, 69

The mark

shows major revised points.

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 products and/or types are available in every country. Please check with an NEC Electronics

sales representative for availability and additional information.

Document No. U14935EJ2V1DS00 (2nd edition)

Date Published August 2005 N CP(K)

Printed in Japan

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