
DS80C400 Network Microcontroller
58 of 96
CSR Register:
VLAN1 Tag
Register Address:
20h
Bit Names:
31
—
—
—
—
—
—
—
—
24
23
—
—
—
—
—
—
—
—
16
15 VLAN1
[15:8]
8
7 VLAN1
[7:0]
0
Reset State:
31
0
0
0
0
0
0
0
0
24
23
0
0
0
0
0
0
0
0
16
15 1 1 1 1 1 1 1 1
8
7 1 1 1 1 1 1 1 1
0
VLAN1 [15:0]
,
VLAN1 Tag Identifier [15:0].
These 16 bits contain the VLAN1 tag that is compared against the
13th and 14th bytes of the incoming frame to determine whether it is a VLAN1 frame. If a non-zero match occurs,
the max frame length is extended from 1518 Bytes to 1522 Bytes.
CSR Register:
VLAN2 Tag
Register Address:
24h
Bit Names:
31
—
—
—
—
—
—
—
—
24
23
—
—
—
—
—
—
—
—
16
15 VLAN2
[15:8]
8
7 VLAN2
[7:0]
0
Reset State:
31
0
0
0
0
0
0
0
0
24
23
0
0
0
0
0
0
0
0
16
15
1 1 1 1 1 1 1 1 8
7
1 1 1 1 1 1 1 1 0
VLAN2 [15:0], VLAN2 Tag Identifier [15:0].
These 16 bits contain the VLAN2 tag that is compared against the
13th and 14th bytes of the incoming frame to determine whether it is a VLAN2 frame. If a non-zero match occurs,
the max frame length is extended from 1518 Bytes to 1538 Bytes.
Содержание DS80C400
Страница 6: ...DS80C400 Network Microcontroller 6 of 96...
Страница 7: ...DS80C400 Network Microcontroller 7 of 96...
Страница 15: ...DS80C400 Network Microcontroller 15 of 96...
Страница 16: ...DS80C400 Network Microcontroller 16 of 96 l...
Страница 22: ...DS80C400 Network Microcontroller 22 of 96 OW PIN TIMING...