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Graphics Interchange Format  |  2002-07-17  |  86.5 KB  |  1275x1726  |  4-bit (14 colors)
   ocr: PINOOT SIGAL SIGAL PIN # DESIGNATION DIRECTION POLARITY DESCRITPION 1 A2 H input/output Ir +true # address # I1 bit 1 2 2 Al 3 AB H Ir I # H a 5 4 CS3 VDD input output 5V -true low power ROM supply chip select 7 6 CSl R/W output input/output ttrue n high read/write RCM chip select 8 IRQ output -true interrupt 13 9 MUX RAS IY 1 output H " 11 I1 RAM RAM address row column address multiplex address strcbe switch strcbe 11 CAS 12 Gout 894.9KHZ CPU clock (NTSC) a 886.7KHZ CPU clock (PAL) 13 CCLOR +true chrainance 14 Bin input # 14.31818MHZ single phase +/- 188 (NTSC) 17.734475MHZ single prase +/- 1 ...