UPD6125AG NEC, UPD6125AG Datasheet
UPD6125AG
Manufacturer Part Number
UPD6125AG
Description
4-BIT SINGLE CHIP MICROCONTROLLER FOR REMOTE CONTROL TRANSMISSION
Manufacturer
NEC
Datasheet
1.UPD6125AG.pdf
(40 pages)
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Document No. U12392EJ4V0DS00 (4th edition)
(Previous No. IC-2014B)
Date Published May 1997 N
Printed in Japan
DESCRIPTION
stereos, cassette decks, air conditioners, etc.
output ports, and transmit output ports. Functioning is controlled in software.
FEATURES
•
•
•
•
•
•
•
•
•
•
Transmitter for programmable infrared remote
controller
19 types of instructions
Instruction execution time:
ceramic oscillator)
Program memory (ROM) capacity: 1002
Data memory (RAM) capacity: 32
9-bit programmable timer: 1 channel
I/O pins (K
I/O pins (I/O)
• PD6125A: 4 pins
• PD6126A: 8 pins
Input pins (K
Serial input pins (S-IN): 1 pin
The PD6125A and 6126A are 4-bit single-chip microcontrollers for infrared remote controllers for TVs, VCRs,
These microcontrollers consist of ROM, RAM, a 4-bit parallel-processing ALU, a programmable timer, key input/
Caution To use the NEC transmission format, ask NEC to supply the custom code.
The mask option (PLA data) setting of PD6125A, PD6126A is different from that of the PD6125,
6126.
When a register is used as the operand of a branch instruction, do not use R
I/O
): 8 pins
I
): 4 pins
4-BIT SINGLE CHIP MICROCONTROLLER
FOR REMOTE CONTROL TRANSMISSION
The information in this document is subject to change without notice.
17.6
The mark
s (with 455-kHz
5 bits
DATA SHEET
10 bits
shows major revised points.
•
•
•
•
•
•
PD6125A, 6126A
Transmission-in-progress indication pin (S-OUT):
1 pin
Transmit carrier frequency (REM)
f
Standby operation (HALT/STOP mode)
Low power consumption
Current consumption in STOP mode (T
1 A MAX.
Low-voltage operation: V
OSC
MOS INTEGRATED CIRCUIT
/12, f
OSC
/8
DD
= 2.0 to 6.0 V
0
.
©
A
= 25 C)
1989
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