Description
The CXP85300A/85390A are CMOS 8-bit 1-chip microcomputers that serve as both piggyback and evaluator. The CXP85300A/85390A are developed for evaluating the function of the CXP85324A/CXP 85332A/85340A.

FEATUREs
• Instruction set which supports a wide array of data types
    — 213 types of instructions which include 16-bit calculations, multiplication and division arithmetic, and boolean bit operations.
• Minimum instruction cycle 1µs/4MHz (4MHz version) 0.5µs/8MHz (8MHz version)
• EPROM 27C512 LCC type 27C512
• Incorporated RAM capacity 576 bytes
• EPROM for custom font (CXP85390A only) LCC type 27C256, LCC type 27C512 (used volume is 16K bytes)

• Peripheral functions
    — On-screen display function 12 × 18 dots, 256 types 15 colors, 21 characters × 12 lines Black frame output half blanking, shadow, background color on full screen/ half blanking
        Double scanning mode, jitter elimination circuit
    — I2C bus interface
    — PWM output 14 bits, 1 channel 8 bits, 8 channels
    — Remote control receiving circuit 8-bit pulse measurement counter, 6-stage FIFO
    — A/D converter 8 bits, 4 channels, successive approximation system (conversion time of 40µs/4MHz, 8MHz)
    — HSYNC counter
    — Power supply frequency counter
    — Watchdog timer
    — Serial I/O 8-bit clock synchronized
    — Timers 8-bit timer, 8-bit timer/counter, 19-bit time-base timer
• Interrupts 14 factors, 14 vectors multi-interruption possible
• Standby mode Sleep
• Package 64-pin ceramic SDIP/QFP