CXP81848A

CXP81840A/81848A CMOS 8-bit Single Chip Microcomputer Description The CXP81840A/81848A is a CMOS 8-bit microcomputer which consists of A/D converter, serial interface, timer/counter, time base timer, vector interruption, high precision timing pattern generation circuit, PWM generator, PWM for tuner, 32kHz timer/event counter, remote control receiving circuit, as well as basic configurations like 8-bit CPU, ROM, RAM and I/O port. They are integrated into a single chip. Also CXP81840A/81848A provides sleep/stop function which enables to lower power consumption and ultra-low speed instruction mode in 32kHz operation. 100 pin QFP (PIastic) 100 pin LQFP (PIastic) Structure Silicon gate CMOS IC Features A wide instruction set (213 instructions) which cover various types of data — 16-bit arithmetic instruction/multiplication and division instructions/boolean bit operation instruction Minimum instruction cycle During operation 333ns/12MHz (Supply voltage 3.0 to 5.5V) During operation 250ns/16MHz (Supply voltage 4.5 to 5.5V) During operation 122µs/32kHz Incorporated ROM capacity 40K bytes (CXP81840A) 48K bytes (CXP81848A) Incorporated RAM capacity 1344bytes Peripheral functions — A/D converter 8-bit, 12-channel, successive approximation system (Conversion time 20.0µs/16MHz) — Serial interface Incorporated 8-bit and 8-stage FIFO, 1-channel (1 to 8 bytes auto transfer) 8-bit serial I/O, 1-channel — Timer 8-bit timer, 8-bit timer/counter, 19-bit time base timer 32kHz timer/co...