CXP88748

CXP88732/88740/88748 CMOS 8-bit Single Chip Microcomputer Description The CXP88732/88740/88748 is a CMOS 8-bit microcomputer which consists of A/D converter, serial interface, timer/counter, time base timer, high precision timing pattern generation circuits, PWM output, VISS/ VASS circuit, 32kHz timer/counter, remote control receiving circuit, VSYNC separator and the measurement circuit which measure signals of capstan FG amplifier and drum FG/PG amplifier and other servo systems, as well as basic configurations like 8-bit CPU, ROM, RAM and I/O port. They are integrated into a single chip. Also, CXP88732/88740/88748 provides sleep/stop function which enables to lower power consumption. 100 pin QFP (Plastic) Structure Silicon gate CMOS IC Features A wide instruction set (213 instructions) which 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 32K bytes (CXP88732) 40K bytes (CXP88740) 48K bytes (CXP88748) Incorporated RAM capacity 1344 bytes (including PPG RAM) Peripheral function — A/D converter 8 bits, 14 channels, successive approximation system (Conversion time of 20µs/16MHz) — Serial interface Incorporated 8-bit, 8-stage FIFO for data (Auto transfer for 1 to 8 bytes), 1 channel 8-bit clock sync type, 1 channel — Timer 8-bit timer/counter, 2 channels 19-bit time base timer 32kHz timer/counter — High p...