CXP87140 Overview
The CXP87132/87140 is a CMOS 8-bit microputer 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...
CXP87140 Key Features
- A wide instruction set (213 instructions) which covers various types of data
- 16-bit arithmetic instruction/multiplication and division instructions/boolean bit operation instruction
- Incorporated ROM capacity 32K bytes (CXP87132) 40K bytes (CXP87140)
- Incorporated RAM capacity 1312 bytes
- Peripheral functions
- A/D converter 8-bit, 12-channel, successive approximation system (Conversion time: 20µs/16MHz)
- Serial I/O Incorporated buffer RAM (1 to 32 bytes auto transfer) 1-channel Incorporated 8-bit and 8-stage FIFO (1 to 8 b
- Timer 8-bit timer, 8-bit timer/counter, 19-bit time base timer
- High precision timing pattern generator PPG 19 pins 32-stage programmable PPG 10 pins 21-stage programmable RTG 5 pins 2
- PWM/DA gate output PWM 12-bit, 2-channel (Repetitive frequency 62.5kHz/16MHz) DA gate pulse 12-bit, 4-channel