UPD6124A Datasheet - NEC

UPD6124A - 4-BIT SINGLE-CHIP MICROCONTROLLER

The µPD6124A and 6600A are 4-bit single-chip microcontrollers for infrared remote controllers for TVs, VCRs, stereos, cassette decks, air conditions, etc.

These microcontrollers consist of ROM, RAM, a 4-bit parallel-processing ALU, a programmable timer, key input/ output ports, and transmit output p

UPD6124A Features

* Transmitter for programmable infrared remote controller 19 types of instructions Instruction execution time: 17.6 µs (with 455-kHz ceramic resonator) Program memory (ROM) capacity

* µPD6124A: 1002 × 10 bits

* µPD6600A: 512 × 10 bits

UPD6124A_NEC.pdf