CXP85890A Overview
The CXP85890A is a CMOS 8-bit single chip microputer of biggyback/evaluator bined type, which is developed for evaluating the function of the CXP85840A/ 85848A/ 85856A. For the CXP85890A, the custom font is supported. Piggyback/ evaluator type 64 pin PSDIP (Ceramic).
CXP85890A Key Features
- A wide instruction set (213 instructions) which covers various types of data
- 16-bit operation/multiplication and division/ Boolean Structure bit operation instructions
- Minimum instruction cycle 333ns at 12MHz operation Silicon gate CMOS IC
- Applicable EPROM LCC type 27C512 (Maximum 56K bytes are available.)
- Incorporated RAM 2176 bytes (Excludes closed caption decoder and VRAM for on-screen display)
- EPROM for custom font LCC type 27C512 (Maximum 6K bytes are available.)
- Peripheral functions
- A/D converter 8-bit 6-channel successive approximation method (Conversion time of 26.7µs at 12MHz)
- Serial interface 8-bit clock sync type, 1 channel
- Timer 8-bit timer 8-bit timer/counter 19-bit time-base timer