EASY 6996M CPU Infineon Technologies, EASY 6996M CPU Datasheet - Page 41

• Manufacturer Part Number: EASY 6996M CPU
• Description: BOARD EVAL W/CPU ADM6996M
• Manufacturer: Infineon Technologies
• Series: Samurair

Specifications of EASY 6996M CPU

• Main Purpose: Interface, Ethernet
• Embedded: No
• Utilized Ic / Part: ADM6996M
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Secondary Attributes: -
• Primary Attributes: -
• Other names: EASY6996MCPUIN

First Way: New Transmit Tag Disable (see 0x000ah)
The “Output Packet Tagging” bit in the basic control registers determines the tagged members.
Second Way: New Transmit Tag Enable (see 0x000ah)
Port VLAN
Tagged
VLAN
Users should note that when the Special Tag with Tagged Member Valid = 1
(ADM6996M/MX) always uses Tagged Member in the Special Tag as the Tagged Member.
3.1.14.12 Egress Tag Rule
On the receiving port, Samurai-6M/6MX (ADM6996M/MX) will attach each packet with the tagged members by the
Ingress rule. When the packet reaches the destination port, Samurai-6M/6MX (ADM6996M/MX) will check if the
destination port is a tagged member, if yes, the packet will be transmitted tagged.
Table 19
Untagged packets are
received (If Input Force
No Tag is enabled,
Samurai-6M/6MX
(ADM6996M/MX)
assumes all the received
packets are untagged.)
Data Sheet
Egress Tag Result
The source port number is the VLAN filter index. We can find the tagged member in this filter.
VID match Tagged members are contained in the matched VLAN filter. We can find the tagged
VID un-
match
members in this filter
VID check
VID
uncheck
Output port is in the
tagged members carried
with the packet.
Output port is not in the
tagged members carried
with the packet.
Output port is configured
to operate in the bypass
mode. See 002A
The frame is dropped.
Samurai-6M/6MX (ADM6996M/MX) uses the first way to determine the
tagged members. If users configure Samurai-6M/6MX (ADM6996M/MX)
to “Back to Port VLAN” (see 0027
members in the same way as the Port VLAN.
H
.
TXTAG Description
00
01
10
11
TXTAG Description
00
01
10
11
TXTAG Description
00
01
10
11
B
B
B
B
B
B
B
B
B
B
B
B
41
untagged.
untagged.
Always Untagged. Packets are transmitted untagged.
Always Untagged. Packets are transmitted untagged.
Always Untagged. Packets are transmitted untagged.
System Default Tag. Packets are transmitted tagged.
Unmodified. Packets are transmitted untagged.
Always Tagged. Packets are transmitted tagged.
System Default Tag. Packets are transmitted
Unmodified. Packets are transmitted untagged.
Always Tagged. Packets are transmitted tagged.
System Default Tag. Packets are transmitted
Unmodified. Packets are transmitted untagged.
Always Tagged. Packets are transmitted tagged.
H
, BPV), it can go back to find the tagged
B
is incoming, the Samurai-6M/6MX
Revision 1.4, 2006-03-24
Function Description
Samurai-6M/MX
ADM6996M/MX