Description
The CXP852P32A is highly integrated microcomputers composed of 8-bit CPU, PROM, RAM, and I/O ports. This IC featureS many other highperformance circuits in a single-chip CMOS design, including an A/D converter, serial interface, timer/counter, time base timer, vector interrupt, onscreen display function, I2C bus interface, PWM generator, remote control receiver, HSYNC counter, power supply frequency counter, and watchdog timer.

Features
• A wide instruction set (213 instructions) to cover various types of data
    — 16-bit arithmetic/multiplication and division/boolean bit operation instructions
• Minimum instruction cycle During operation 1µs at 4MHz
• Incorporated PROM capacity 32K bytes (For program) 3K bytes (for OSD)
• Incorporated RAM capacity 448 bytes
• Peripheral functions
    — On-screen display function 12 × 16 dots, 128 types 4 Iines of 21 characters (5 or more lines possible) , double scanning mode supported, jitter elimination circuit
    — I2C bus interface
    — PWM output 14 bits, 1 channel 6 bits, 8 channels
    — Remote control reception circuit 8-bit pulse measuring counter, 6-stage FIFO
    — A/D converter 4 bits, 4 channels, successive approximation method (Conversion time of 40µs at 4MHz)
    — HSYNC counter
    — Power supply frequency counter
    — Watchdog timer
    — Serial I/O 8-bit clock synchronization
    — Timer 8-bit timer, 8-bit timer/counter, 19-bit time base timer
• Interruption 14 factors, 14 vectors, multi-interrupt possible
• Standby mode Sleep