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Graphics Interchange Format  |  2008-03-11  |  123.5 KB  |  2304x3300
   ocr: IC8568 80 COLUMN CRT CONTROLLER PN #315092-01 This Circuit implements the features of the 6545E CRT Controller with additional features to increase system integration. CAS 1 48 - RAS CCLK 2 47 F( CV DCLK 3 46 HR HSYNC Features 4 45 EG CS 5 44 EB Single NTSC Interlaced or +5 or PAL volt power operation. non-interlaced supply. display. INTR CS* RW RS 6 7 B 9 41 42 43 40 HI HI DD7 DD6 DD5 Shared RAM for Character Data, Pointers and D7 10 39 - DD4 Attributes. D6 - 11 38 = DD3 Cursor and Attributes decoded on-chip. Vss 12 37 Vcc R,G, B, Ip pixel outputs. D5 - 13 36 - DD2 Separate programmable Horiz ...