CXP85840A Overview
The CXP85840A/85848A/85856A are the CMOS 8-bit microputer integrating on a single chip an A/D converter, serial interface, timer/counter, time-base timer, closed caption decoder, data slicer, on-screen display function, I2C bus interface, PWM output, remote control reception circuit, HSYNC counter and watchdog timer, besides the basic configurations of 8-bit CPU, ROM, RAM, I/O ports. The CXP85840A/85848A/85856A also...
CXP85840A Key Features
- A wide instruction set (213 instructions) which covers various types of data
- 16-bit operation/multiplication and division/Boolean bit operation instructions
- Minimum instruction cycle 333ns at 12MHz operation
- Incorporated ROM 40K bytes (CXP85840A) 48K bytes (CXP85848A) 56K bytes (CXP85856A)
- Incorporated RAM 2176 bytes (Excludes closed caption decoder and VRAM for on-screen display)
- 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
- Closed caption decoder Data slicer Corresponds to FCC (EDS supported), 8 × 13 dots, 192 character types 15 character col