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> UPD6121G - remote control transmission cmos ic
UPD6121G - remote control transmission cmos ic
mPD6121is a infrared remote control transmission IC 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. This IC come in small package, 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.
The UPD6121 is pin for pin compatible with Princeton Technology IC # PT2221 -001
