NT6880 Datasheet | Unknown Manufacturer

Keyboard Controller Features T T T T T T T 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 programmable bi-directional I/O pins 3 LED direct sink pins T T T T T T T Mask optional for built-in RC oscillator with an external resistor or external ceramic resonator applied Mask optional for DATA/CLK driving capability Watch-dog timer reset Built-in power-on reset Built-in low voltage reset CMOS technology for low power consumption Available in 40 pin DIP package and 40 pad Chip Form General Description The NT6880 is a single chip micro-controller for keyboard applications. It...