ocr: SNA Latched MEMCLK CPUCLK LA[28:0] Bus Address and Main Clocks/Control IOCLK LNBW byte/word NPOR Data NRESET D131:0] Bus Reset RESET HCLK NROMCS ROM Interface VCLKI Video VCLKO Clocks and PCOMP RAIII:0] control SCLK WS_ LNR NCAS[3:0p DRAM Interface SDO_ MUTE Sound System ANALOG NRASI3:0 SOUNDO/PS CLK2 SDCLK CLKS Reference SIREF Io - Clocks Currents VIREF REFSM HSYNC CLK16 VSINC ECLK 1OP17:0) 8-bit To port Video Outputs ED[7:0] BD[15:0] Main IO Bus EGB OUTPUTS SETCS NTEST NCCS OD[1] NCDACK ODIOJ TC ID NPCCS2 NPCCSI IOChip NEVENTI Selects Power NEVENTZ NSIOCST NMSCS Management OSCDELAY NEASCS OS ...