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FDC37C78-HT Datasheet(PDF) 60 Page - Microchip Technology |
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FDC37C78-HT Datasheet(HTML) 60 Page - Microchip Technology |
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60 / 82 page  60 Table 30 - PC/AT Available Registers Available Registers Base + Address PC-AT Access Permitted Access to these registers DOES NOT wake up the part 00H ---- R 01H ---- R 02H DOR (1) R/W 03H --- --- 04H DSR (1) W 06H --- --- 07H DIR R 07H CCR W Access to these registers wakes up the part 04H MSR R 05H Data R/W Note 1: Writing to the DOR or DSR does not wake up the part, however, writing any of the motor enable bits or doing a software reset (via DOR or DSR reset bits) will wake up the part Table 31 - State of System Pins in Auto Powerdown System Pins State in Auto Powerdown Input Pins IOR Unchanged IOW Unchanged A[0:9] Unchanged D[0:7] Unchanged RESET Unchanged IDENT Unchanged DACK Unchanged TC Unchanged Output Pins IRQ Unchanged (low) DB[0:7] Unchanged FDRQ Unchanged (low) |
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