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FDC37M608 数据表(PDF) 11 Page - SMSC Corporation |
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FDC37M608 数据表(HTML) 11 Page - SMSC Corporation |
11 / 182 page 11 FUNCTIONAL DESCRIPTION SUPER I/O REGISTERS The address map, shown below in Table 1, shows the addresses of the different blocks of the Super I/O immediately after power up. The base addresses of the FDC, serial and parallel ports can be moved via the configuration registers. Some addresses are used to access more than one register. HOST PROCESSOR INTERFACE The host processor communicates with the FDC37M60x through a series of read/write registers. The port addresses for these registers are shown in Table 1. Register access is accomplished through programmed I/O or DMA transfers. All registers are 8 bits wide. All host interface output buffers are capable of sinking a minimum of 24 mA. Table 1 - Super I/O Block Addresses ADDRESS BLOCK NAME LOGICAL DEVICE NOTES Base+(0-5) and +(7) Floppy Disk 0 Base+(0-7) Serial Port Com 1 4 Base1+(0-7) Serial Port Com 2 5 IR Support Base+(0-3) Base+(0-7) Base+(0-3), +(400-402) Base+(0-7), +(400-402) Parallel Port SPP EPP ECP ECP+EPP+SPP 3 60, 64 KYBD 7 Note 1: Refer to the configuration register descriptions for setting the base address |
类似零件编号 - FDC37M608 |
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类似说明 - FDC37M608 |
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