zl50415 Zarlink Semiconductor, zl50415 Datasheet - Page 87

• Manufacturer Part Number: zl50415
• Description: Managed 16-port 10/100 M + 2-port 1 G Ethernet Switch
• Manufacturer: Zarlink Semiconductor

Map TOS field in IP packet into eight level transmit priorities:
14.9.10
I
Accessed by CPU, serial interface and I
Map VLAN priority into frame discard when low priority buffer usage is above threshold
14.9.11
I
Accessed by CPU, serial interface and I
Map TOS into frame discard when low priority buffer usage is above threshold
2
2
C Address h0B3, CPU Address:h509
C Address h0B4, CPU Address:h50A
Bit [1:0]:
Bit [4:2]:
Bit [7:5]:
Bit [0]:
Bit [1]:
Bit [2]:
Bit [3]:
Bit [4]:
Bit [5]:
Bit [6]:
Bit [7]:
Bit [0]:
Bit [1]:
Bit [2]:
Bit [3]:
Bit [4]:
TOSDML – TOS Discard Map
AVDM – VLAN Discard Map
7
FDV7
7
FDT7
6
FDV6
6
FDT6
Priority when the TOS field is 5 (Default 0)
Priority when the TOS field is 6 (Default 0)
Priority when the TOS field is 7 (Default 0)
Frame drop priority when VLAN Tag priority field is 0 (Default 0)
Frame drop priority when VLAN Tag priority field is 1 (Default 0)
Frame drop priority when VLAN Tag priority field is 2 (Default 0)
Frame drop priority when VLAN Tag priority field is 3 (Default 0)
Frame drop priority when VLAN Tag priority field is 4 (Default 0)
Frame drop priority when VLAN Tag priority field is 5 (Default 0)
Frame drop priority when VLAN Tag priority field is 6 (Default 0)
Frame drop priority when VLAN Tag priority field is 7 (Default 0)
Frame drop priority when TOS field is 0 (Default 0)
Frame drop priority when TOS field is 1 (Default 0)
Frame drop priority when TOS field is 2 (Default 0)
Frame drop priority when TOS field is 3 (Default 0)
Frame drop priority when TOS field is 4 (Default 0)
5
FDV5
5
FDT5
2
2
C (R/W)
C (R/W)
4
FDV4
4
FDT4
Zarlink Semiconductor Inc.
ZL50418
3
FDT3
3
FDV3
87
2
FDT2
2
FDV2
1
FDT1
1
FDV1
0
FDT0
0
FDV0
Data Sheet