CXP87948 Overview
The CXP87940/87948 is a CMOS 8-bit single chip microputer which consists of A/D converter, serial interface, timer/counter, time base timer, high precision timing pattern generation circuit, PWM output, VISS/VASS circuit, 32kHz timer/counter, remote control reception circuit, VSYNC separator and the measurement circuit which measures signals of capstan FG and drum FG/PG and other servo systems, as well as basic...
CXP87948 Key Features
- A wide instruction set (213 instructions) which covers various types of data
- 16-bit operation/multiplication and division/Boolean bit operation instructions
- Incorporated ROM capacity 40K bytes (CXP87940), 48K bytes (CXP87948)
- Incorporated RAM capacity 1376 bytes
- Peripheral functions
- A/D converter 8 bits, 12 channels, successive approximation method (Conversion time of 20.0µs at 16MHz)
- Timer 8-bit timer, 8-bit timer/counter, 19-bit time base timer, 32kHz timer/counter
- High-precision timing pattern generator PPG: maximum of 19 pins, 32 stages programmable RTG: 5 pins, 2 channels
- PWM/DA gate output PWM: 12 bits, 2 channels (Repetitive frequency of 62kHz at 16MHz) DA gate pulse output: 13 bits, 4 ch
- Servo input control Capstan FG, drum FG/PG, CTL input