Description
The CXP85400/85490 are CMOS 8-bit 1-chip microcomputers that serve as both piggyback and evaluator. The CXP85400/85490 are developed for evaluating the function of the CXP85452/85460.
Note that CXP85400 corresponds to the fixed font, and CXP85490 corresponds to the custom font respectively.

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 0.5µs/8MHz
• EPROM 27C512 LCC type 27C512 (Maximum of 60K bytes are available.)
• Incorporated RAM capacity 960 bytes
• EPROM for custom font (CXP85490 only) LCC type 27C256, LCC type 27C512 (used volume is 24K bytes)
• Peripheral functions
    — On-screen display function 12 × 18 dots, 384 types 15 colors, 32 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 20µs/8MHz)
    — HSYNC counter 2 channels
    — 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