fido2100 3-Port Industrial Ethernet DLR Switch with IEEE1588
Data Sheet
April 10, 2013
.
P2TxErrFrmCnt: This 16-bit counter reflects frames truncated with error during
transmission on port 2.
9.2.35 Beacon Generation Control Register
Mnemonic
type offset bits 15
R/W 0xDC
14
13
12
11
10
0
9
0
8
0
7
0
6
0
5
0
4
0
3
2
1
0
BcnGenCntrl
bgrst bge2 bge1 bite
Power-up Defaults
0
0
0
0
0
0
0
0
0
bite
Beacon Interval Timer Enable. When this bit is set, beacon interval timer is
enabled. It’s a periodic timer and when the interval expires, beacon generation
is triggered if bge1/bge2 are set and the timer is restarted. In order to
immediately trigger a beacon frame on ports, this bit should be reset and set.
bge1
bge2
bgrst
Beacon Generation Enable for Port 1. When this bit is set, DLR beacon
frame generation is enabled on port 1. Frame sequence ID will be
automatically generated.
Beacon Generation Enable for Port 2. When this bit is set, DLR beacon
frame generation is enabled on port 2. Frame sequence ID will be
automatically generated.
Beacon Generation Reset. When this bit is set, all beacon frame generation
logic will be held in reset.
9.2.36 Beacon Interval Register
Mnemonic
type offset bits 15
R/W 0xDE
14
13
0
12
0
11
0
10
0
9
8
7
6
5
0
5
0
4
0
4
0
3
0
3
0
2
0
2
0
1
0
1
0
0
0
0
0
BcnIntrvl_Lo
BeaconInterval[15:0]
Power-up Defaults
0
0
0
9
0
8
0
7
0
6
Mnemonic
type offset bits 15
R/W 0xE0
14
0
13
0
12
0
11
0
10
0
BcnIntrvl_Hi
BeaconInterval[31:16]
Power-up Defaults
0
0
0
0
0
The Beacon Interval register consists of two 16-bit registers. It is a 32-bit counter that
counts at 50MHz and is used to trigger beacon frame generation on port(s) when it is
enabled and expires. See bite bit in Beacon Generation Control register for more details.
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