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5812-DS01-R 数据表(PDF) 64 Page - Broadcom Corporation. |
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5812-DS01-R 数据表(HTML) 64 Page - Broadcom Corporation. |
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64 / 84 page ![]() BCM5812 Advance Data Sheet 3/11/03 B roa dcom Co rpo rat ion Page 56 PCI Configuration Registers Document 5812-DS01-405-R • Vendor ID • Device ID • Subsystem ID • Subsystem Vendor ID • Class Code • Revision ID • Header Type • Maximum Latency • Minimum Grant • Interrupt Pin In addition, the power management register read-only fields can also be updated by the optional EEPROM. For more information, see Appendix C “EEPROM Information” on page 73. Table 19: PCI Configuration Register Bit Fields Bits Access Reset Purpose PCI Vendor ID – 0x00 15:0 RO 0x14E4 Hardwired vendor identifier (0x14E4), Assigned by PCISIG for Broadcom. PCI Device ID – 0x02 31:16 RO 0x5823 Hardwired device identifier (0x5823) PCI Command Register – 0x04 15:10 RSVD 0x00 Reserved 9 RW 0 Fast back to back master enable 8 RW 0 System error enable 7 RSVD 0 Reserved 6 RW 0 Parity error enable 5 RSVD 0 Reserved 4 RW 0 Memory write and Invalidate enable 3 RSVD 0 Reserved 2 RW 0 Bus master enable 1 RW 0 Memory access enable 0 RO 0 I/O access enable PCI Status Register – 0x04 31 RO 0 Detect parity error 30 RO 0 Signaled system error 29 RO 0 Received master abort status 28 RO 0 Received target abort status 27 RO 0 Signaled target abort status 26:25 RO 01 Device select timing 24 RO 0 Data parity detected |
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