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SC2200 датащи(PDF) 139 Page - National Semiconductor (TI) |
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SC2200 датащи(HTML) 139 Page - National Semiconductor (TI) |
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139 / 433 page ![]() Revision 3.0 139 www.national.com SuperI/O Module (Continued) Table 4-35. Parallel Port Bit Map for First Level Offset Offset Name Bits 76 5432 10 000h DATAR Data Bits AFIFO Address Bits 001h DSR Printer Status ACK# Status PE Status SLCT Status ERR# Status RSVD EPP Timeout Status 002h DCR RSVD Direction Control Interrupt Enable PP Input Control Printer Ini- tialization Control Automatic Line Feed Control Data Strobe Control 003h ADDR EPP Device or Register Selection Address Bits 004h DATA0 EPP Device or R/W Data 005h DATA1 EPP Device or R/W Data 006h DATA2 EPP Device or R/W Data 007h DATA3 EPP Device or R/W Data 400h CFIFO Data Bits 400h DFIFO Data Bits 400h TFIFO Data Bits 400h CNFGA RSVD Bit 7 of PP Confg0 RSVD 401h CNFGB RSVD Interrupt Request Value Interrupt Select RSVD DMA Channel Select 402h ECR ECP Mode Control ECP Inter- rupt Mask ECP DMA Enable ECP Inter- rupt Ser- vice FIFO Full FIFO Empty 403h EIR RSVD Second Level Offset 404h EDR Data Bits 405h EAR FIFO Tag RSVD Table 4-36. Parallel Port Bit Map for Second Level Offset Offset Name Bits 76 5432 10 00h Control0 RSVD DCR Reg- ister Live Freeze Bit RSVD EPP Time- out Inter- rupt Mask 02h Control2 SPP Com- patibility Channel Address Enable RSVD Revision 1.7 or 1.9 Select RSVD 04h Control4 RSVD PP DMA Request Inactive Time RSVD PP DMA Request Active Time 05h PP Confg0 Bit 3 of CNFGA Demand DMA Enable ECP IRQ Channel Number PE Inter- nal PU or PD ECP DMA Channel Number |
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