CXP82440A

CXP82432A/82440A CMOS 8-bit Single Chip Microcomputer Description The CXP82432A/82440A is a CMOS 8-bit single chip microcomputer integrating on a single chip an A/D converter, serial interface, timer/counter, time base timer, capture timer counter, fluorescent display tube controller/driver, remote control reception circuit, CTL duty detection circuit, 14-bit PWM output and high-speed output circuit besides the basic configurations of 8-bit CPU, ROM, RAM, and I/O port. The CXP82432A/82440A also provides sleep/stop function that enables lower power consumption. 100 pin QFP (Plastic) Structure Silicon gate CMOS IC Features 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 400ns at 10MHz operation (122µs at 32kHz operation) Incorporated ROM capacity 32K bytes (CXP82432A) 40K bytes (CXP82440A) Incorporated RAM capacity 1120 bytes (including fluorescent display area) Peripheral functions — A/D converter 8-bit, 8-channel, successive approximation method (Conversion time of 32µs/10MHz) — Serial interface 8-bit, 8-stage FIFO incorporated (Auto transfer for 1 to 8 bytes), 1 channel 8-bit clock synchronized type, 1 channel — Timers 8-bit timer, 8-bit timer/counter, 19-bit time base timer 16-bit capture timer/counter, 32kHz timer/counter — Fluorescent display tube controller/driver Maximum of 384 segments display possible 1 to 16-digit dyn...