NT6868C Datasheet (Novatek) - Keyboard Controller

NT6868C, Keyboard Controller

NT6868C is a single chip micro-controller for keyboard applications.

It incorporates a 6502 8-bit CPU core, 4K bytes of ROM and 128 bytes of RAM used as working RAM and stack area.

It also includes 29 programmable bi-directional I/O pins and one 8-bit pre-loadable base timer.

Additionally, it includ

NT6868C Features

* n n n n n Built-in 6502 8-bit CPU 2 MHz CPU operation frequency 4K bytes of ROM 128 bytes of SRAM One 8-bit programmable base timer with 1 - 256 µsec interval n 29 programmable bi-directional I/O pins n 3 LED direct sink pins with internal serial resistors n Mask optional for built-in RC oscillator