NT6880H controller equivalent, keyboard controller.
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Built-in 6502 8-bit CPU 2 MHz CPU operation frequency 5K bytes of ROM 160 bytes of SRAM One 8-bit programmable base timer with 1 - 256 µsec interval 29 pr.
It incorporates a 6502 8-bit CPU core, 5K bytes of ROM and 160 bytes of RAM used as working RAM and stack area. It also.
The NT6880 is a single chip micro-controller for keyboard applications. It incorporates a 6502 8-bit CPU core, 5K bytes of ROM and 160 bytes of RAM used as working RAM and stack area. It also includes 29 programmable bi-directional I/O pins and one 8.
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