ocr: 8563 VIDEO CONTROLLER (Continued) 1 CCLK Character Clock output. 2 DCLK Video Dot Clock D. 315014 3 HSYNC Horizontal Sync Signal. 8563 CRT VIDEO CONTROLLER 4 CS Chip Select input, active high. 5,6 NC No Connection. 7 CS Chip Select input, active low. CCLK 1 48 CAS 8 RS Register Select input. A high allows reads & DCLK 2 47 1 RAS writes to the selected data register. A low HSYNC CS- 3 4 45 46 -R -G 9 R/W to The allows the read/write reads Address of line the register. Status controls the register data and direction writes nc- 5 44 -B for the data bus. Read is active high, write is nc- - 6 43 -I ...
