CXP80720B Overview
Description
The CXP80712B/80716B/80720B/80724B is a CMOS 8-bit microcomputer 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 receiving 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 configurations like 8-bit CPU, ROM, RAM and I/O port. They are integrated into a single chip.
Key Features
- A wide instruction set (213 instructions) which cover various types of data
- 16-bit arithmetic/multiplication and division/boolean bit operation instructions
- Minimum instruction cycle 250ns at 16MHz operation 122µs at 32kHz operation
- Incorporated ROM capacity 12K bytes (CXP80712B) 16K bytes (CXP80716B) 20K bytes (CXP80720B) 24K bytes (CXP80724B)
- Incorporated RAM capacity 800 bytes
- Peripheral functions
- A/D converter 8 bits, 12 channels, successive approximation system (Conversion time of 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 for 19 pins, 32-stage programmable RTG for 5 pins, 2 channels
