DM8203
2-port switch with MII / RMII Interface
7. EEPROM Format
name
Word
0~2
3
Description
RESERVED
Auto Load Control
Vendor ID
Reserved
[1:0] Auto Load Control
Vendor ID
4
Product ID
5
Product ID
RESERVED
PHY Control
RESERVED
Control
6
7
8~15
16
Reserved
PHY Control
Reserved
Bit 1:0=01: Accept setting of WORD 17,18
Bit 3:2=01: Accept setting of WORD 19~26
Bit 5:4=01: Accept setting of WORD 27~30
Bit 7:6=01: Accept setting of WORD 31
Bit 9:8=01: Accept setting of WORD 32~39
Bit 11:10=01: Accept setting of WORD 40~47
Bit 15:12 =01: Reserved
Switch Control 1
Switch Control 2
Port 0 Control 1
Port 0 Control 2
Port 1 Control 1
Port 1 Control 2
Port 2 Control 1
Port 2 Control 2
17
18
19
20
21
22
23
24
When word 16 bit 1:0 is “01”, after power on reset:
This word bit 7~0 will be loaded to Reg. 52H bit 7~0
This word bit 15~8 will be loaded to Reg. 53H bit 7~0
When word 16 bit 1:0 is “01”, after power on reset:
This word bit 7~0 will be loaded to Reg. 58H bit 7~0
This word bit 15~8 will be loaded to Reg. 59H bit 7~0
When word 16 bit 3:2 is “01”, after power on reset:
This word bit 7~0 will be loaded to port 0 Reg. 61H bit 7~0
This word bit 15~8 will be loaded to port 0 Reg. 66H bit 7~0
When word 16 bit 3:2 is “01”, after power on reset:
This word bit 7~0 will be loaded to port 0 Reg. 67H bit 7~0
This word bit 15~8 will be loaded to port 0 Reg. 6DH bit 7~0
When word 16 bit 3:2 is “01”, after power on reset:
This word bit 7~0 will be loaded to port 1 Reg. 61H bit 7~0
This word bit 15~8 will be loaded to port 1 Reg. 66H bit 7~0
When word 16 bit 3:2 is “01”, after power on reset:
This word bit 7~0 will be loaded to port 1 Reg. 67H bit 7~0
This word bit 15~8 will be loaded to port 1 Reg. 6DH bit 7~0
When word 16 bit 3:2 is “01”, after power on reset:
This word bit 7~0 will be loaded to port 2 Reg. 61H bit 7~0
This word bit 15~8 will be loaded to port 2 Reg. 66H bit 7~0
When word 16 bit 3:2 is “01”, after power on reset:
This word bit 7~0 will be loaded to port 2 Reg. 67H bit 7~0
This word bit 15~8 will be loaded to port 2 Reg. 6DH bit 7~0
Reserved
RESERVED
Port 0 VLAN Tag
25-26
27
When word 16 bit 5:4 is “01”, after power on reset:
This word bit 7~0 will be loaded to port 0 Reg. 6EH bit 7~0
This word bit 15~8 will be loaded to port 0 Reg. 6FH bit 7~0
When word 16 bit 5:4 is “01”, after power on reset:
This word bit 7~0 will be loaded to port 1 Reg. 6EH bit 7~0
This word bit 15~8 will be loaded to port 1 Reg. 6FH bit 7~0
When word 16 bit 5:4 is “01”, after power on reset:
Port 1 VLAN Tag
28
29
Port 2 VLAN Tag
28
Preliminary datasheet
DM8203-15-DS-P05
October 23, 2008
DAVICOM [ DAVICOM SEMICONDUCTOR, INC. ]
