adm6999g Infineon Technologies Corporation, adm6999g Datasheet - Page 48

• Manufacturer Part Number: adm6999g
• Description: 8 Port 10/100 Mb/s + Gigabit Single Chip Ethernet Switch Controller
• Manufacturer: Infineon Technologies Corporation

1. LAN to LAN/CPU Traffic. ADM6999G/GX LAN traffic to LAN/CPU only. Traffic to another LAN port will be
2. WAN to CPU Traffic. ADM6999G/GX WAN traffic to CPU only. Traffic to CPU is Tagged packet with VID = 2.
3. CPU to LAN Packet. ADM6999G/GX CPU Packet to LAN port must add VID = 1 in VLAN field. ADM6999G/GX
4. CPU to WAN Packet. ADM6999G/GX CPU Packet to WAN port must add VID = 2 in VLAN filed.
5. ADM6999G/GX learning sequence. ADM6999G/GX will check VLAN mapping setting first then check learning
Note: Bit 10: Half Duplex Back Pressure enable. 1/enable, 0/disable.
Miscellaneous Configuration Register 2
MCR_2
Miscellaneous Configuration Register 2
Field
DP
Res
PS
Res
ML8
ML7
ML6
ML5
ML4
Data Sheet
untagged packet. Traffic to CPU is Tagged packet with VID = 1. CPU can check VID to distinguish LAN traffic
or WAN traffic.
CPU can check VID to distinguish LAN traffic or WAN traffic.
check VID to distinguish LAN traffic or WAN traffic. LAN output packet is Untagged.
ADM6999G/GX check VID to distinguish LAN traffic or WAN traffic. WAN output packet is Untagged.
table. Users don’t have to worry about LAN/WAN traffic mixing up.
Bits
15
14
13:12
11:9
8
7
6
5
4
Type
rw
ro
rw
ro
rw
rw
rw
rw
rw
Description
Drop Packet when Excessive Collision Happen Enable
0
1
Reserved
Power Saving Select
Reserved
Port8 MAC Lock.
0
1
Port7 MAC Lock
0
1
Port6 MAC Lock
0
1
Port5 MAC Lock
0
1
Port4 MAC Lock
0
1
B
B
B
B
B
B
B
B
B
B
B
B
, Disable, default
, enable
, Disable, default
, Lock first MAC source address
, Disable, default
, Lock first MAC source address
, Disable, default
, Lock first MAC source address
, Disable, default
, Lock first MAC source address
, Disable, default
, Lock first MAC source address
Offset
12
48
H
Rev 1.31, 2005-11-25
ADM6999G/GX
Descriptions
Reset Value
3600
H