AX88772 ASIX [ASIX Electronics Corporation], AX88772 Datasheet - Page 22
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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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6.2.1.13 IPG/IPG1/IPG2 Control Register (11h, read only and 12h, write only)
6.2.1.14 Node ID Register (13h, read only and 14h, write only)
AA [6:0] = IPG [6:0].
BB [6:0] = IPG1 [6:0].
CC [6:0] = IPG2 [6:0].
IPG [6:0]: Inter Packet Gap for back-to-back transfer on TX direction in MII mode (default = 15h).
IPG1 [6:0]: IPG part1 value (default = 0Ch).
IPG2 [6:0]: IPG part1 value + part2 value (default = 12h).
AA [7]: Reserved.
BB [7]: Reserved.
CC [7]: Reserved.
AA [7:0] = NOID 0.
BB [7:0] = NOID 1.
CC [7:0] = NOID 2.
DD [7:0] = NOID 3.
EE [7:0] = NOID 4.
FF [7:0] = NOID 5.
{FF [7:0], EE [7:0], DD [7:0], CC [7:0], BB [7:0], AA [7:0]} = Ethernet MAC address [47:0] of the node.
MFB [1:0]: Maximum Frame Burst transfer on USB bus.
Bit7
Bit7
00: 2048 Bytes
01: 4096 Bytes
10: 8192 Bytes
11: 16384 Bytes (default).
Bit6
Bit6
Bit5
Bit5
USB to 10/100 Fast Ethernet/HomePNA Controller
Bit4
Bit4
DD [7:0]
CC [7:0]
EE [7:0]
AA [7:0]
AA [7:0]
FF [7:0]
BB [7:0]
CC [7:0]
BB [7:0]
Bit3
Bit3
22
Bit2
Bit2
ASIX ELECTRONICS CORPORATION
Bit1
Bit1
Bit0
Bit0
AX88772