UPD6125ACA Datasheet

IC型號：
UPD6125ACA
PDF描述：
4-BIT SINGLE CHIP MICROCONTROLLER FOR REMOTE CONTROL TRANSMI...
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281.65KB
PDF頁數(shù)：
40頁
芯片廠家：
NEC

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DATA SHEET

碌

PD6125A, 6126A

4-BIT SINGLE CHIP MICROCONTROLLER

FOR REMOTE CONTROL TRANSMISSION

MOS INTEGRATED CIRCUIT

DESCRIPTION

The

碌

PD6125A and 6126A are 4-bit single-chip microcontrollers for infrared remote controllers for TVs, VCRs,

stereos, cassette decks, air conditioners, 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 in software.

FEATURES

鈥?/div>

Transmitter for programmable infrared remote

controller

19 types of instructions

Instruction execution time:

ceramic oscillator)

17.6

碌

s (with 455-kHz

鈥?/div>

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

1 pin

Transmit carrier frequency (REM)

OSC

/12, f

OSC

Standby operation (HALT/STOP mode)

Low power consumption

Current consumption in STOP mode (T

= 25擄C)

碌

A MAX.

Low-voltage operation: V

= 2.0 to 6.0 V

鈥?/div>

Program memory (ROM) capacity: 1002

脳

10 bits

Data memory (RAM) capacity: 32

脳

5 bits

9-bit programmable timer: 1 channel

I/O pins (K

I/O

): 8 pins

I/O pins (I/O)

鈥?/div>

碌

PD6125A: 4 pins

鈥?/div>

碌

PD6126A: 8 pins

鈥?/div>

Input pins (K

): 4 pins

Serial input pins (S-IN): 1 pin

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

The mask option (PLA data) setting of

碌

PD6125A,

碌

PD6126A is different from that of the

碌

PD6125,

6126.

When a register is used as the operand of a branch instruction, do not use R

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

Document No. U12392EJ4V0DS00 (4th edition)

(Previous No. IC-2014B)

Date Published May 1997 N

Printed in Japan

The mark

shows major revised points.

漏

1989

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