zl50411 Zarlink Semiconductor, zl50411 Datasheet - Page 81

• Manufacturer Part Number: zl50411
• Description: Managed 9-port Fast Ethernet Switch With Private Vlan
• Manufacturer: Zarlink Semiconductor

12.3.2.5
I²C Address: h3E, CPU Address: h0105
Accessed by CPU and I²C (R/W)
In Port Based VLAN Mode
In Tag-based VLAN Mode
Bits [7:5]:
Bits [2:0]:
Bits [5:3]:
Bit [6]:
Bit [7]:
Bit [0]:
Bit [1]:
Bit [2]:
PVMAP00_3 – Port 0 Configuration Register 3
Untag Port Priority (Default 0x7)
Transmit Priority Level 0 (Lowest)
Transmit Priority Level 1
...
Transmit Priority Level 6
Transmit Priority Level 7 (Highest)
Reserved
Default transmit priority. Used when Bit [7]=1 (Default 0)
Transmit Priority Level 0 (Lowest)
Transmit Priority Level 1
...
Transmit Priority Level 6
Transmit Priority Level 7 (Highest)
Default drop precedence. Used when Bit [7]=1
0 – Drop Precedence Level 0 (Lowest) (Default)
1 – Drop Precedence Level 1 (Highest)
Enable Fix Priority (Default 0)
0 - Disable. All frames are analysed. Transmit Priority and Drop Precedence are
based on VLAN Tag, TOS or Logical Port.
1 - Enable. Transmit Priority and Drop Precedence are based on values
programmed in bit [6:3]
Not used
Ingress Filter Enable
0 - Disable Ingress Filter. Packets with VLAN not belonging to source port are
forwarded, if destination port belongs to the VLAN. Symmetric VLAN. (Default)
1 - Enable Ingress Filter. Packets with VLAN not belonging to source port are
filtered. Asymmetric VLAN.
Force untag out (VLAN tagging is based on IEEE 802.1Q rule) .
0 - Disable (Default)
1 - Force untagged output. All packets transmitted from this port are untagged.
This bit is used when this port is connected to legacy equipment that does not
support VLAN tagging.
Zarlink Semiconductor Inc.
ZL50411
81
Data Sheet