NT6861 Datasheet PDF – 8-Bit Microcontroller for Monitor
Package S-DIP 42 Type
NT6861 overview
NT6861 is a monitor component mC 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 ROM maximum for programming, 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.
Users can store EDID data in the 128 bytes of RAM for DDC1/2B, so that users can save the cost of dedicated EEPROM for EDID. Half frequency output function can save external one-shot circuit. All of these designs create savings in component costs.
Datasheet
nt6861-datasheet.pdf
NT6861 features
- 40 pin DIP & 42 pin SDIP package
- Operating Voltage Range: 4.5V to 5.5V
- CMOS technology for low power consumption
- Crystal oscillator or ceramic resonator* available
- 6502 8-bit CMOS CPU core
- 8MHz operation of frequency
- 4/8/12/16/24K bytes ROM are available
- 256 bytes of RAM (which stores EDID for DDC1/2B)
- One 8-bit pre-loadable base timer
- 14 channels of 8 bit PWM outputs
- 6 channel with 5V open drain and 8 channel with 12V open drain
- 2 channel A/D converters with 6-bit resolution
- 24 bi-directional I/O port pins and 1 I/P pin
- Hsync/Vsync signal processor
- Hardware sync signals polarity & freq. evaluator
- Built-In I2C bus interface
- Supporting VESA DDC1/2B function
- 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)
- Hardware watch-dog timer function
NT6861 pinout
| Pin | Description |
|---|---|
| 1 | O |
| 2 | O |
| 3 | O |
| 4 | I |
| 5 | P |
| 6 | P |
| 7 | O |
| 8 | I |
| 9 | I/O |
| 10 | I/O |
| 11 | I/O |
| 12 | I/O |
| 13 | I/O |
| 14 | I/O |
| 15 | I |
| 16 - 23 | I/O |
NT6861 applications
- LCD Monitor Controllers
- Digital Signage Solutions
- Embedded Display Interfaces
- Industrial Display Control
Comments 0
Leave a comment