NT6881 micro-controller equivalent, usb keyboard micro-controller.
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 wi.
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. I.
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.
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