參數(shù)資料
型號: VT6516
廠商: Electronic Theatre Controls, Inc.
英文描述: 16/12 PORT 10/1000 ASE T/TX
中文描述: 16/12港口10/1000日月光噸/德克薩斯州
文件頁數(shù): 60/73頁
文件大?。?/td> 440K
代理商: VT6516
VIA Technologies, Inc.
Preliminary VT6516 Datarsheet
-
60-
01H
configurable frame gap in di bits for 1st interval
This register specifies the 1
st
interval of the inter-frame gap (in unit
of di bit) for outgoing packets, where the 2
nd
interval of the inter-
frame gap is fixed as 16 di bits (i.e. 32 bits). The minimum inter-
frame gate (IFG) defined in 802.3 is 96 bits (48 di bits). But for fast
transmission, many manufactures use smaller IFG (minimum is 32
bits) in practical. The allowable IFG_CFG value is 0..63 di bits.
Note that, TMAC only performs the carrier sense function during
the 1
st
IFG interval, rather than the whole IFG. So, for the half
duplex link, if an incoming packet arrives at the 2
nd
IFG interval, a
collision with the ready-to-send outgoing packet will happen.
IFG_CFG [5:0] 32
R/
W
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