Datasheet Details
| Part number | NT6881 |
|---|---|
| Manufacturer | Unknown Manufacturer |
| File Size | 785.26 KB |
| Description | USB Keyboard Micro-Controller |
| Datasheet |
 NT6881 Datasheet
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General 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.
Key Features
- n Built-in 6502 8-bit CPU n 3 MHz CPU operation frequency when oscillator is running at 6 MHz n 6K bytes of ROM n 256 bytes of SRAM n One 8-bit programmable base timer with pre-divider circuit n 29 programmable bi-directional I/O pins including two external interrupts n n n n n n n n n 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.