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NT6881

Features: Built-in 6502 8-bit CPU 3 MHz CPU operation frequency when oscillator is running at 6 MHz 6K bytes of ROM 256 bytes of SRAM One 8-bit programmable base timer with pre-divider circuit 29 programmable bi-directional I/O pins including two external interrupts 3 LED direct sink pins with int...

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SeekIC No. : 004435817 Detail

NT6881: Features: Built-in 6502 8-bit CPU 3 MHz CPU operation frequency when oscillator is running at 6 MHz 6K bytes of ROM 256 bytes of SRAM One 8-bit programmable base timer with pre-divider circuit 29 pr...

NT6881 Data Sheet

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Part Number:
NT6881
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

 Built-in 6502 8-bit CPU
3 MHz CPU operation frequency when oscillator is running at 6 MHz
6K bytes of ROM
256 bytes of SRAM
One 8-bit programmable base timer with pre-divider circuit
29 programmable bi-directional I/O pins including two external interrupts
3 LED direct sink pins with internal serial resistors
On-chip oscillator (Crystal or Ceramic Resonator)
Watch-dog timer reset
Built-in power on reset
USB interface
3 Endpoints provided
Remote Wakeup provided
CMOS technology for low power consumption
40-pin DIP package, 42-pad Chip Form and COB


Pinout

Connection Diagram


Specifications

DC Supply Voltage . . . . . . . . . . . .. .. .. . . -0.3V to +7.0V
Input/Output Voltage . . . . . . .GND - 0.2V to VDD + 0.2V
Operating Ambient Temperature . . . . . . . . .0  to 70
Storage Temperature . . . . . . . . . . . . . -55 to +125
Operating Voltage (VDD) . . . . . . . . . . . +4.4V to +5.25V


Description

The NT6881 is a single chip micro-controller for USB keyboard applications. It incorporates a 6502 8-bit CPU core, 6K bytes of mask ROM, and 256 bytes of RAM used as working RAM and stack area. It also includes 29 programmable bi-directional I/O pins with built-in resistors, and one 8-bit pre-loadable base timer.

Additionally, NT6881 includes a built-in power-on reset, a builtin low voltage reset, an oscillator that requires crystal or ceramic resonator applied, and a watch-dog timer that prevents system standstill.




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