CXP87460

CXP87452/87460 CMOS 8-bit Single Chip Microcomputer Description The CXP87452/87460 is a CMOS 8-bit microcomputer which consists of A/D converter, serial interface (2ch independently), timer/counter, time base timer, vector interruption, high precision timing pattern generation circuit (PPG 2ch independently, RTG 2ch independently), PWM generator, general purpose prescaler, PWM for tuner, VCR vertical sync separation circuit and the measuring circuit which measure signals of capstan FG and drum FG/PG 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 CXP87452/87460 provides power on reset function, sleep/stop function which enables to lower power consumption . 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 (3.0 to 5.5V) During operation 250ns/16MHz (4.5 to 5.5V) Incorporated ROM capacity 52K bytes (CXP87452) 60K bytes (CXP87460) Incorporated RAM capacity 1568 bytes Peripheral functions — A/D converter 8-bit, 12-channel, successive approximation system (Conversion time: 20µs/16MHz) — Serial interface Incorporated buffer RAM (1 to 32 bytes auto transfer) 1-channel Incorporated 8-bit and 8-stage FIFO (1 to 8 ...