AL103 Revision 1.0
9/00
Reference Only / Allayer Communications
49
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
NAME
DESCRIPTION
15
CmdDone
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.”
14
Operation
Read/Write Operation Command.
0: Read operation.
1: Write operation.
13~11
ResType
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
10
ExtRD
External MAC Address Table Read.
If ResType = 011 and Operation = 0
0: On-chip address table read.
1: Off-chip address table read.
10~0
ResAddr
The Address of the Entry Within the Accessed Resource.
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