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. Also CXP80712B/80716B/80720B/80724B provides sleep/stop function which enables to lower power consumption.

Specifications and 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 include A/D converter, serial interface, timer, and high precision timing pattern generator
• Interruption 21 factors, 15 vectors, multi-interruption possible
• Standby mode SLEEP/STOP
• Package 100-pin plastic QFP/LQFP
• Piggyback/evaluation chip CXP87700 100-pin ceramic PQFP

Application Scenarios

The CXP80712B/80716B/80720B/80724B can be used in various applications including but not limited to:

• Microprocessor-based systems
• Embedded systems
• Industrial control systems
• Consumer electronics
• Remote control devices

Comparison

• Wide instruction set allows for versatile programming
• High precision timing pattern generation circuit
• Low power consumption with sleep/stop function
• Multifunctional peripheral functions
• Multiple interruption options

• Limited ROM and RAM capacity
• Ceramic PQFP package may not be suitable for all applications