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(wǎng)交換機(jī)
文件頁數(shù): 33/49頁
文件大?。?/td> 1549K
代理商: TC9204M
TC9204M
Preliminary Data Sheet
10.3.5
Backpressure Time Value Register
-
Address: 31h, 30h
Confidential.
Copyright
2003, IC Plus Corp.
33/49
July 29, 2003
TC9204M-DS-R05
7 6 5 4 3 2 1 0
30h
BPTimeValue
BPTimeValue
15 14 13 12 11 10 9 8
31h
Bit(s)
15 – 0
BPTimeValue
Field
Description
BPTimeValue
Backpressure time value
A 16 bit value used to compute internal time value for backpressure operation.
Default value is ‘0000100000000000’(2048).
10.3.6
Flow Control Port Base Address Register
-
Address: 32h, 33h, 34h, 35h, 36h, 37h
47 46 45 44 43 42 41 40
FCBaseAddress
FCBaseAddress
31 30 29 28 27 26 25 24
39 38 37 36 35 34 33 32
7 6 5 4 3 2 1 0
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8
Bit(s)
47 – 0
FCBaseAddress
Field
Description
FCBaseAddress
Source port base address for flow control packets
Contains a 48-bit MAC address used to generate the individual port address used in
direct flow control addressing. The port addresses are obtained by incrementing
this base address and assigning the result to the TC9204M’s ports starting with port
0. The least significant 5 bits of this address will be ignored and replaced with ‘0’, so
these bits will encode the port number in the actual port address.
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