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What is UPD64A?

This electronic component, produced by the manufacturer "NEC", performs the same function as "4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION".


UPD64A Datasheet PDF - NEC

Part Number UPD64A
Description 4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
Manufacturers NEC 
Logo NEC Logo 


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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD64A, 65
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.
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.
Document No. U14380EJ2V0DS00 (2nd edition)
Date Published November 1999 N CP(K)
Printed in Japan
The mark shows major revised points.
©
1999

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UPD64A equivalent
µPD64A, 65
9. INSTRUCTION SET .......................................................................................................................... 30
9.1 Machine Language Output by Assembler ............................................................................................. 30
9.2 Circuit Symbol Description .................................................................................................................... 31
9.3 Mnemonic to/from Machine Language (Assembler Output) Contrast Table ..................................... 32
9.4 Accumulator Operation Instructions ..................................................................................................... 36
9.5 Input/Output Instructions ....................................................................................................................... 39
9.6 Data Transfer Instructions ...................................................................................................................... 40
9.7 Branch Instructions ................................................................................................................................ 42
9.8 Subroutine Instructions .......................................................................................................................... 43
9.9 Timer Operation Instructions ................................................................................................................. 44
9.10 Others ....................................................................................................................................................... 45
10. ASSEMBLER RESERVED WORDS ................................................................................................ 47
10.1 Mask Option Directives ........................................................................................................................... 47
10.1.1 OPTION and ENDOP directives .................................................................................................. 47
10.1.2 Mask option definition directive .................................................................................................... 47
11. ELECTRICAL SPECIFICATIONS ..................................................................................................... 48
12. CHARACTERISTIC CURVE (REFERENCE VALUES) .................................................................... 52
13. APPLIED CIRCUIT EXAMPLE ......................................................................................................... 53
14. PACKAGE DRAWINGS .................................................................................................................... 54
15. RECOMMENDED SOLDERING CONDITIONS ................................................................................ 55
APPENDIX A. DEVELOPMENT TOOLS ............................................................................................... 56
APPENDIX B. FUNCTIONAL COMPARISON BETWEEN µPD64A, 65 AND OTHER PRODUCTS .... 57
APPENDIX C. EXAMPLE OF REMOTE-CONTROL TRANSMISSION FORMAT ................................ 58
Data Sheet U14380EJ2V0DS00
5


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On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for UPD64A electronic component.


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