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DATA SHEET

碌

PD6124A, 6600A

4-BIT SINGLE-CHIP MICROCONTROLLER

FOR REMOTE CONTROL TRANSMISSION

MOS INTEGRATED CIRCUIT

DESCRIPTION

The

碌

PD6124A and 6600A are 4-bit single-chip microcontrollers for infrared remote controllers for TVs, VCRs,

stereos, cassette decks, air conditions, etc.

These microcontrollers consist of ROM, RAM, a 4-bit parallel-processing ALU, a programmable timer, key input/

output ports, and transmit output ports. Functioning is controlled by a program.

A one-time PROM, model

碌

PD61P24, to which a program can be written only once is also available. This one-time

PROM is ideal for evaluation of programs running in a

碌

PD6124A or 6600A, and for small-scale production of such

systems.

FEATURES

鈥?/div>

Transmitter for programmable infrared remote control-

ler

19 types of instructions

Instruction execution time: 17.6

碌

s (with 455-kHz ce-

ramic resonator)

Program memory (ROM) capacity

鈥?/div>

碌

PD6124A: 1002

脳

10 bits

鈥?/div>

碌

PD6600A: 512

脳

10 bits

鈥?/div>

Transmission-in-progress indication pin (S-OUT): 1

Transmit carrier frequency (REM)

f

OSC

/12, f

OSC

/8

Standby operation (HALT/STOP mode)

Low power consumption

Current consumption in STOP mode (T

A

= 25擄C)

Low-voltage operation

鈥?/div>

Data memory (RAM) capacity: 32

脳

5 bits

9-bit programmable timer: 1 channel

I/O pins (K

I/O

): 8 pins

Input pins (K

I

): 4 pins

Serial input pins (S-IN): 1 pin

Caution

碌

PD6124A: V

DD

= 2.2 to 5.5 V

碌

PD6600A: V

DD

= 2.2 to 3.6 V

To use the NEC transmission format, ask NEC to supply the custom code.

Do not use R

0

when using a register as an operand of the branch instruction.

The information in this document is subject to change without notice.

Document No. U12391EJ5V0DS00 (5th edition)

(Previous No. IC-1927)

Date Published June 1997 N

Printed in Japan

The mark

shows major revised points.

漏

1989

型號

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