AX88178
USB to 10/100/1000 Gigabit Ethernet/HomePNA Controller
6.2.1.9 SROM Write Register (0Ch, write only)
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
AA [7:0]
00h
CC [7:0]
DD [7:0]
AA [7:0]: The write address of Serial EEROM.
{ DD [7:0], CC [7:0] }: The write data value of Serial EEROM
6.2.1.10 Write SROM Enable (0Dh, write only)
User issues this command to enable write permission to Serial EEPROM from SROM Write Register.
6.2.1.11 Write SROM Disable (0Eh, write only)
User issues this command to disable write permission to Serial EEPROM from SROM Write Register.
6.2.1.12 Rx Control Register (0Fh, read only and 10h, write only)
Bit7
SO
Bit6
Reserved
Bit5
AP
Bit4
AM
Bit3
AB
Bit2
SEP
Bit1
AMALL
Bit0
PRO
0h
Reserved
MFB [1:0]
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.
1: All frames received by the ASIC are forwarded up toward the host.
0: Disabled (default).
AMALL: PACKET_TYPE_ALL_MULTICAST.
1: All multicast frames received by the ASIC are forwarded up toward the host, not just the frames whose
scrambling result of DA matching with multicast address list provided in Multicast Filter Array Register.
0: Disabled. This only allows multicast frames whose scrambling result of DA field matching with multicast
address list provided in Multicast Filter Array Register to be forwarded up toward the host (default).
SEP: Save Error Packet.
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).
AB: PACKET_TYPE_BROADCAST.
1: All broadcast frames received by the ASIC are forwarded up toward the host (default).
0: Disabled.
AM: PACKET_TYPE_MULTICAST.
1: All multicast frames whose scrambling result of DA matching with multicast address list are forwarded up to the
host (default).
0: Disabled.
AP: Accept Physical Address from Multicast Filter Array.
1: Allow unicast packets to be forwarded up toward host if the lookup of scrambling result of DA is found within
multicast address list.
0: Disabled, that is, unicast packets filtering are done without regarding multicast address list (default).
SO: Start Operation.
1: Ethernet MAC start operating.
0: Ethernet MAC stop operating (default).
19
ASIX ELECTRONICS CORPORATION
ASIX [ ASIX ELECTRONICS CORPORATION ]
