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UPD6122

NEC
Part Number UPD6122
Manufacturer NEC
Description REMOTE CONTROL TRANSMISSION CMOS IC
Published Apr 17, 2005
Detailed Description DATA SHEET DATA SHEET µPD6121, 6122 REMOTE CONTROL TRANSMISSION CMOS IC MOS INTEGRATED CIRCUIT The µPD6121, 6122 are ...
Datasheet PDF File UPD6122 PDF File

UPD6122
UPD6122

Overview
DATA SHEET DATA SHEET µPD6121, 6122 REMOTE CONTROL TRANSMISSION CMOS IC MOS INTEGRATED CIRCUIT The µPD6121, 6122 are infrared remote control transmission ICs using the NEC transmission format that are ideally suited for TVs, VCRs, audio equipment, air conditioners, etc.
By combining external diodes and resistors, a maximum of 65,536 custom codes can be specified.
These ICs come in small packages, thus facilitating the design of light and compact remote control transmitters.
The NEC transmission format consists of leader codes, custom codes (16 bits), and data codes (16 bits).
It can be used for various systems through decoding by a microcontroller.
* FEATURES • • • • Low-voltage operation: VDD = 2.
0 to 3.
3 V Low current dissipation: 1 µA Max.
(at standby) Custom codes: 65,536 (set by external diodes and resistors) Data codes: • µPD6121: 32 codes (single input), 3 codes (double input), expandable up to 64 codes through SEL pin • µPD6122: 64 codes (single input), 3 codes (double i...


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