UPD61P34B Datasheet (NEC) - 4-BIT SINGLE-CHIP MICROCONTROLLER

UPD61P34B, 4-BIT SINGLE-CHIP MICROCONTROLLER

The µPD61P34B is a microcontroller for infrared remote control transmitters which is provided with a one-time PROM as the program memory.

Because users can write programs for the µPD61P34B, it is ideal for program evaluation and small-scale production of the application systems using the µPD6133 or

UPD61P34B Features

* Program memory (one-time PROM) : 1002 × 10 bits

* Data memory (RAM)

* 9-bit programmable timer

* Command execution time

* Stack level

* I/O pins (KI/O)

* Input pins (KI)

* Sense input pin (S0)

* S1/LED pin (I/O)

* Powe