[NOVATEK]
General Description
NT68P61A is a monitor component µC for auto-sync and digital controlled applications. It contains a 6502 8-bit CPU core, 256 bytes of RAM used as working RAM and stack area, 24K bytes of OTP ROM**, 14-channel 8-bit PWM D/A converters, 2-channel A/D converters for key detection saving I/O pins, one 8 bit pre-loadable base timer, internal Hsync and Vsync signals processor providing mode detection, watch-dog timer preventing system from abnormal operation, and an I2C bus interface. The LVRC enables NT68P61A operate properly.
Features
â 40 pin DIP & 42 pin SDIP package
â Operating Voltage Range: 4.5V to 5.5V
â CMOS technology for low power consumption
â Crystal oscillator or ceramic resonator* available
â 6502 8-bit CMOS CPU core
â 8MHz operation of frequency
â 24K bytes of OTP (one time programming) ROM
â 256 bytes of RAM (which stores EDID for DDC1/2B)
â One 8-bit pre-loadable base timer
â 14 channels of 8 bit PWM outputs:
6 channel with 5V open drain and 8 channel with 12V
open drain
â 2 channel A/D converters with 6-bit resolution
â 24 bi-directional I/O port pins and 1 I/P pin
â Hsync/Vsync signal processor
â Hardware sync signals polarity & freq. evaluator
â Built-In I2C bus interface
â Supporting VESA DDC1/2B function
â Six-interrupt sources
- INTV (Vsync INT)
- INTE (External INT with rising edge trigger)
- INTMR(Timer INT )
- INTA (Slave Address Matched INT)
- INTD (Shift Register INT)
- INTS (SCL GO-LOW INT)
â Hardware watch-dog timer function
â Built-In Low Voltage reset circuit (LVRC)
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