參數(shù)資料
型號: TC9204M
廠商: Electronic Theatre Controls, Inc.
英文描述: 4-Port 10/100/1000 Smart Ethernet Switch
中文描述: 4端口10/100/1000智能以太網交換機
文件頁數(shù): 34/49頁
文件大小: 1549K
代理商: TC9204M
TC9204M
Preliminary Data Sheet
10.3.7
Broadcast Configuration Register
-
Address: 3Dh, 3Eh
Confidential.
Copyright
2003, IC Plus Corp.
34/49
July 29, 2003
TC9204M-DS-R05
7 6 5 4 3 2 1 0
BroadcastConfig
15 14 13 12 11 10 9 8
SrcLoadTrsh
FCBcstEn
FCBcstMode
not used
ThrotTrsh
BcstThrot
Reserved
not used
Bit(s)
4 - 0
5
6
7
11 -8
12
14 - 13
15
SrcLoadTrsh
Field
Description
SrcLoadTrsh
FCBcstEn
FCBcstMode
not used
ThrotTrsh
BcstThrot
Reserved
not used
Source port loading limit for broadcast
Flow control broadcast enable
Flow control broadcast mode
not used
Global buffer pool loading threshold for broadcast
Broadcast throttling (bandwidth)
not used
The maximum number of frame buffers used on each receiving port for broadcast.
Default is ‘11000’ (24).
Setting this bit to ‘1’ will enable flow control mechanism for broadcast frames.
Setting this bit to ‘0’ will cause broadcast packets to be dropped on queue overflow
condition. Default value is its corresponding
FcBcstEn
pin value.
This bit selects the source of flow control for broadcast operation:
‘0’ – broadcast flow control is issued on source port basis
‘1’ – broadcast flow control is issued by any of the two broadcast queues
Default value is its corresponding
FcBcstMode
pin value.
Setting this bit to ‘1’ will enable bandwidth based broadcast throttling. The value
represents the maximum percentage of the full receiving bandwidth than can be
used for broadcast. Default is ‘00101’(5%).
Setting this bit to ‘1’ will enable throttling for broadcast frames. Default value is its
corresponding
BcstThrot
pin value.
FCBcstEn
FCBcstMode
ThrotTrsh
BcstThrot
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