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Description
NT6861 is a monitor component integrated circuit for auto-sync and digital-controlled applications. It is designed with a 6502 8-bit CPU core, 256 bytes of RAM for working and stack area, 24K bytes of ROM for programming, 14-channel 8-bit Pulse-Width Modulation (PWM) Digital-to-Analog converters, and 2-channel Analog-to-Digital converters for key detection. NT6861 also features an 8-bit pre-loadable base timer and an I2C bus interface. It provides an internal signal processor for Hsync and Vsync signals to detect the mode, watch-dog timer to prevent abnormal operation, and EDID data storage for DDC1/2B in the 128 bytes of RAM.
Specifications and features
- 40 pin DIP & 42 pin SDIP package
- Operating Voltage Range: 4.5V to 5.5V
- CMOS technology for low power consumption
- Ceramic resonator or crystal oscillator available
- 8MHz operation of frequency
- 6502 8-bit CMOS CPU core
- 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 Analog-to-Digital converters with 6-bit resolution
- 24 bi-directional Input/Output (I/O) pins and 1 Input pin
- Hsync/Vsync signal processor
- Hardware sync signals polarity and frequency evaluator
- Built-in I2C bus interface
- Supporting VESA DDC1/2B function
- Six-interrupt sources: INTV (Vsync Interrupt), INTE (External Interrupt with Rising Edge Trigger), INTMR (Timer Interrupt), INTA (Slave Address Matched Interrupt), INTD (Shift Register Interrupt), and INTS (SCL GO-LOW Interrupt)
- Hardware watch-dog timer function
Application Scenarios
NT6861 is suitable for integrating into electronic devices such as monitors, TVs, projectors, and digital signage that require auto-sync and digital control for their applications.
Comparison
Advantages- Integrated CPU core and I2C bus interface, reduces component costs.
- EDID storage for DDC1/2B in the 128 bytes of RAM, saves a dedicated EEPROM for EDID.
- Hardware watch-dog timer function to prevent abnormal operation.
Disadvantages- The frequency of NT6861's crystal oscillator or ceramic resonator is not specified.
- The maximum size of ROM is 24K bytes.
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download NT6861
- Chipdatas Part: CD88-NT6861
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/09/20 09:09 +0800
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