CXP87740A Overview
The CXP87740A/87748A is a CMOS 8-bit microputer 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, VISS/VASS circuit, 32kHz timer/event counter, remote control receiving circuit, VCR vertical sync separation circuit and the measuring circuit which measure signals of capstan FG and drum...
CXP87740A Key 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
- Incorporated ROM capacity 40K bytes (CXP87740A) 48K bytes (CXP87748A)
- Incorporated RAM capacity 1344 bytes
- 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/counter
- High precision timing pattern generator PPG 19 pins 32-stage programmable RTG 5-pins 2-channel
- PWM/DA gate output 12-bit, 2-channel (Repetitive frequency 62kHz/16MHz)