AL103 Datasheet, PDF (49/66 Pages) List of Unclassifed Manufacturers – 8 PORT LOW COST 10/100 SWITCH

AL103 Revision 1.0
Indirect Resource Access Command Register (Register 42)
Indirect resource access command allows the management (Reverse EEPROM Method) to access
other resources other than the AL103 register values. PHY registers, both internal and external
MAC address tables, and SGRAM contents can be accessed using this command.
Table 33: Indirect Resource Access Command Register (Register 42)
BIT
15
14
13~11
10
10~0
NAME
CmdDone
Operation
ResType
ExtRD
ResAddr
DESCRIPTION
Command Done.
0: Execute new command.
1: Command done.
Clear this bit to execute a new command. When finished with the
command, the AL103 will set the bit back to “1.”
Read/Write Operation Command.
0: Read operation.
1: Write operation.
Type of Accessed Resource.
000: PHY registers.
001: EEPROM
010: SGRAM
011: MAC address table 1;
Read: MAC table address read.
Write: MAC address learn.
100: MAC address table 2;
Read: MAC address search.
Write: MAC address delete.
101-111: Reserved
External MAC Address Table Read.
If ResType = 011 and Operation = 0
0: On-chip address table read.
1: Off-chip address table read.
The Address of the Entry Within the Accessed Resource.
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