AX88772 ASIX [ASIX Electronics Corporation], AX88772 Datasheet - Page 21
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AX88772
Manufacturer Part Number
AX88772
Description
USB to 10/100 Fast Ethernet/HomePNA Controller
Manufacturer
ASIX [ASIX Electronics Corporation]
Datasheet
1.AX88772.pdf
(42 pages)
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6.2.1.9 SROM Write Register (0Ch, write only)
6.2.1.10 Write SROM Enable (0Dh, write only)
6.2.1.11 Write SROM Disable (0Eh, write only)
6.2.1.12 Rx Control Register (0Fh, read only and 10h, write only)
AA [7:0]: The write address of Serial EEROM.
{ DD [7:0], CC [7:0] }: The write data value of Serial EEROM
User issues this command to enable write permission to Serial EEPROM from SROM Write Register.
User issues this command to disable write permission to Serial EEPROM from SROM Write Register.
AA [7:0] = { SO, Reserved, AP, AM, AB, Reserved, AMALL, PRO }
BB [7:0] = { 0h, Reserved [3:2], SB [1:0] }
PRO: PACKET_TYPE_PROMISCUOUS.
AMALL: PACKET_TYPE_ALL_MULTICAST.
SEP: Save Error Packet.
AB: PACKET_TYPE_BROADCAST.
AM: PACKET_TYPE_MULTICAST.
AP: Accept Physical Address from Multicast Filter Array.
SO: Start Operation.
Bit7
Bit7
SO
1: Allow unicast packets to be forwarded up toward host if the lookup of scrambling result of DA is found within
1: All multicast frames whose scrambling result of DA matching with multicast address list are forwarded up to the
0: Disabled.
0: Disabled, that is, unicast packets filtering are done without regarding multicast address list (default).
1: All frames received by the ASIC are forwarded up toward the host.
0: Disabled (default).
1: All multicast frames received by the ASIC are forwarded up toward the host, not just the frames whose
0: Disabled. This only allows multicast frames whose scrambling result of DA field matching with multicast
1: Received packets with CRC error are saved and forwarded to the host anyway.
0: Received packets with CRC error are discarded automatically without forwarding to the host (default).
1: All broadcast frames received by the ASIC are forwarded up toward the host (default).
0: Disabled.
1: Ethernet MAC start operating.
0: Ethernet MAC stop operating (default).
host (default).
scrambling result of DA matching with multicast address list provided in Multicast Filter Array Register.
address list provided in Multicast Filter Array Register to be forwarded up toward the host (default).
multicast address list.
Reserved
Bit6
Bit6
0h
Bit5
Bit5
AP
USB to 10/100 Fast Ethernet/HomePNA Controller
Bit4
Bit4
AM
AA [7:0]
DD [7:0]
CC [7:0]
00h
Bit3
Bit3
AB
21
Reserved
Bit2
Bit2
SEP
ASIX ELECTRONICS CORPORATION
AMALL
Bit1
Bit1
MFB [1:0]
PRO
Bit0
Bit0
AX88772