Chapter 1717-2117.3.4 0011-6146iR7086T-17-12P008 0 not used1 CCD on/off control signal 1: ON2 wait signal3 write signal (Low)4 write signal (High)5 read signal6 not used7 CPU clockP009 0 not used1 shading RAM chip select2 work RAM chip select3 ASIC RAM chip select4 Flash ROM chip select5 not used6 not used7 not usedAddress bit Description RemarksP001 0 delivery motor clock1 DDIS IF(OPTO0-) 0: operation prohibited2 DDIS IF(SPRDY) 0: operation enabled3 DDIS IF(OPTI0) 0: active4 ADF pickup motor clock5 fan power supply on signal 1: ON6 ADF read motor clock7 size sensor on 1: ONP002 0 shift motor clock1 24V power supply monitor 0: normal2-3 not used4 scanner motor clock5 13V power supply monitor 0: normal6 Canon Denshi switchover 0: Cannon Denshi7 DDIS IF(SCPRDY) 0: operation enabledP003 0 DDIS serial communication (TxD) -1 ADF serial communication (TxD) -2 DDIS serial communication (RxD) -3 ADF serial communication (RxD) -4 LED control 1: ON5 ADF serial communication (STACK) -6-7 not usedP004 0 original size detection 0 0: original present1 original size detection 1 0: original present2 original size detection 2 0: original present3 original size detection 3 0: original present4 DF connection detection -5 DDIS IF(SRTS) 0: reception ready6 scanner motor Vref output -7 not used -P005 0 PC connection IF (TxD) -1 PC connection IF (RxD) -2 fan lock detection signal 0: enabled3 DDIS IF(SCTS) 0: reception ready4-7 not usedP006 0 not used -1 PCB check terminal 1: normal2 DDIS IF(OPTI1) 0: active3 DDIS IF(OPTO1) 0: active4 ADF sensor interrupt input 0: active5 copyboard open/closed sensor interrupt input 0 1: copyboard closed6 HP sensor interrupt input 1: HP7 not used -Address Bit Description Remarks
