CXP82940

CXP82940/82948/82952/82960 CMOS 8-bit Single Chip Microcomputer Description The CXP82940/82948/82952/82960 is a CMOS 8-bit single chip microcomputer integrating on a single chip an A/D converter, serial interface, timer/counter, time base timer, fluorescent display panel controller/driver, I2C bus interface, remote control transmission circuit, remote control reception circuit, and 32kHz timer/counter besides the basic configurations of 8-bit CPU, ROM, RAM, and I/O port. 80 pin QFP (Plastic) Structure Features1 Silicon gate CMOS IC Wide-range instruction system (213 instructions) to cover various types of data — 16-bit arithmetic/multiplication and division/boolean bit operation instructions Minimum instruction cycle 250ns at 16MHz operation (122µs at 32kHz operation) Incorporated ROM capacity 40K bytes (CXP82940) 48K bytes (CXP82948) 52K bytes (CXP82952) 60K bytes (CXP82960) Incorporated RAM capacity 2048 bytes (including fluorescent display area) Periphera; functions — A/D converter 8-bit, 8-channel, successive approximation method (Conversion time of 20µs/16MHz) — Serial interface Buffer RAM incorporated (Auto transfer for 1 to 32 bytes), 1 channel 8-bit, 8-stage FIFO incorporated (Auto transfer for 1 to 8 bytes), 1 channel — Timers 8-bit timer, 8-bit timer/counter, 19-bit time base timer 32kHz timer/counter — Fluorescent display panel controller/driver Maximum of 196 segments display possible 1 to 16-digit dynamic display Dimmer function High voltage drive outp...