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RTL8111B Datasheet(PDF) 8 Page - Realtek Semiconductor Corp. |
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RTL8111B Datasheet(HTML) 8 Page - Realtek Semiconductor Corp. |
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8 / 75 page  RTL8111B/RTL8168B Registers Datasheet Integrated Gigabit Ethernet Controller for PCI Express 2 Track ID: JATR-1076-21 Rev. 1.0 2. Register Descriptions The RTL8111B/RTL8168B provide the following set of operational registers mapped into PCI memory space and I/O space. 2.1. MAC Registers Table 1. MAC Registers Offset Tag RW Description 0000h IDR0 RW ID Register 0. ID registers 0-5 are only permitted to read/write via 4-byte access. Read access can be byte, word, or double word access. The initial value is autoloaded from the EEPROM EthernetID field. 0001h IDR1 RW ID Register 1 0002h IDR2 RW ID Register 2 0003h IDR3 RW ID Register 3 0004h IDR4 RW ID Register 4 0005h IDR5 RW ID Register 5 0006h-0007h - - Reserved 0008h MAR7 RW Multicast Address Register 7. The MAR register 0-7 are only permitted to read/write via 4-byte access. Read access can be byte, word, or double word access. The driver is responsible for initializing these registers. 0009h MAR6 RW Multicast Register 6 000Ah MAR5 RW Multicast Register 5 000Bh MAR4 RW Multicast Register 4 000Ch MAR3 RW Multicast Register 3 000Dh MAR2 RW Multicast Register 2 000Eh MAR1 RW Multicast Register 1 000Fh MAR0 RW Multicast Register 0 0010h-0017h DTCCR RW Dump Tally Counter Command Register (64-byte alignment) 0018h-001Fh - - Reserved 0020h-0027h TNPDS RW Transmit Normal Priority Descriptors: Start address (64-bit). (256-byte alignment) 0028h-002Fh THPDS RW Transmit High Priority Descriptors: Start address (64-bit). (256-byte alignment) 0030h-0036h - - Reserved 0037h CR RW Command Register 0038h TPPoll W Transmit Priority Polling register 0039h-003Bh - - Reserved 003Ch-003Dh IMR RW Interrupt Mask Register 003Eh-003Fh ISR RW Interrupt Status Register 0040h-0043h TCR RW Transmit (Tx) Configuration Register 0044h-0047h RCR RW Receive (Rx) Configuration Register |
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