Am8279-5 Datasheet - AMD

Am8279-5 Programmable Keyboard/Display Interface

The Am8279 is a general purpose programmable keyboard and display I/O interface device deSigned for use with Am8080Al8085A microprocessors. The keyboard portion can provide a scanned interface to a 64 contact key matrix which can be expanded to 128. The keyboard portion will also interface to an arr.

Am 8279/Am8279-5 Programmable Keyboard/Display Interface DISTINCTIVE CHARACTERISTICS Am8085A Compatible Simultaneous keyboard display operations Scanned keyboard mode Scanned sensor mode Strobed input entry mode 8 character keyboard FIFO ; 2 key lockout or N key rollover vv'ith contact dabounce Dual 8 or 16 numerical display Single 16 character display Right or left entry 16-byte display RAM Mode.

Am8279-5 Datasheet (137.00 KB)