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SH68689
Keyboard Controller
Features
Built-in 6502 8-bit CPU 2MHz CPU operation frequency 8K 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 with internal serial resistors
Built-in RC oscillator with an external resistor Mask option for DATA/CLK and I/O Port driving capability Watch-dog timer Built-in power-on reset Built-in low voltage reset CMOS technology for low power consumption Available in CHIP FORM
General Description
SH68689 is a single chip micro-controller for keyboard applications. It incorporates a 6502 8-bit CPU core, 8K bytes of ROM and 160 bytes of RAM used as working RAM and stack area.
SH68689 Datasheet
