TM 5-6675-316-14
which interfaces between the keyboard, data bus and character generator board.
Total control of the character display is achieved via this board. The keyboard
interface III board contains all the circuits necessary to feed keystrokes in code
format into the character generator's display memory. It consists of the following
circuits:
Cursor Speed Counter
Data Multiplexer
Roll Control Circuit
Keyboard Counter/Load Register
2-52
