UPD6P8

DATA SHEET µPD6P8, 6P8A, 6P8B 4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION MOS INTEGRATED CIRCUIT DESCRIPTION The µPD6P8, 6P8A, 6P8B are microcontrollers for infrared remote control transmitters and are provided with a one-time PROM as the program memory. Because users can write programs for the µPD6P8, 6P8A, 6P8B, They are ideal for program evaluation and smallscale production of application systems that use the µPD67A, 67B, 68A, 68B. When reading this document, also refer to the following documents. µPD67, 67A, 68, 68A, 69 Data Sheet: U14935E µPD67B, 68B Data Sheet: U16792E FEATURES Program memory (one-time PROM): 2026 × 10 bits Data memory (RAM): 32 × 4 bits On-chip carrier generator for infrared remote control: The high-level and low-level width can be set separately from 250 ns to 64 µs (@ fX = 4 MHz operation) via modulo registers 9-bit programmable timer: 1 channel Instruction execution time: 16 µs (@ fX = 4 MHz) Stack level: 1 level (stack RAM is for data memory RF as well) I/O pins (KI/O): 8 units 4 units Input pins (KI): 2 units Sense input pins (S0, S2): www.DataSheet4U.com S1/LED pin (I/O): 1 unit (when in output mode, this is the remote control transmission display pin) Power supply voltage: VDD = 1.9 to 3.6 V Operating ambient temperature: TA = –40 to +85°C Oscillator frequency: fX = 3.5 to 4.5 MHz On-chip POC circuit and RAM retention detector On-chip oscillator (µPD6P8B) APPLICATIONS Infrared re...