參數(shù)資料
型號: IXF1010
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: 10 CHANNEL(S), 1000M bps, LOCAL AREA NETWORK CONTROLLER, CBGA552
封裝: 25 X 25 MM, 1 MM PITCH, CERAMIC, BGA-552
文件頁數(shù): 68/116頁
文件大小: 1392K
代理商: IXF1010
10-Port 100/1000 Mbps Ethernet MAC — IXF1010
Preliminary Datasheet
55
Document #: 249839
Revision #: 001
Rev. Date: April 29, 2002
Figure 19. RGMII 1000 Mbps Multiplexing and Timing Diagram
Table 20. RGMII 1000 Mbps Timing Specifics
Parameter
Symbol
Min
Typ4
Max
Unit
Test Conditions
Data-to-Clock Output Skew (at
Transmitter)
TskewT
-500
0
500
ps
Data-to-Clock Input Skew (at Receiver)1
TskewR
1
2.8
ns
Clock Cycle Duration2
Tcyc
7.2
8
8.8
ns
Duty Cycle for Gigabit3
Duty_T
45
50
55
%
Duty Cycle for 100T3
Duty_G
40
50
60
%
Rise/Fall Time (20-80%)
Tr/Tf
.75
ns
1. This implies that PC board design requires clocks to be routed so that an additional trace delay of greater
than 1.5 ns is added to the associated clock signal.
2. For 100 Mbps, Tcyc scales to 40 ns +/- 4 ns.
3. Duty cycle may be stretched/shrunk during speed changes or while transitioning to a received packet's
clock domain, as long as minimum duty cycle is not violated and stretching occurs for no more than three
Tcyc of the lowest speed transitioned between.
4. Typical values are at 25 oC and are for design aid only; not guaranteed and not subject to production
testing.
TXC (at Transmitter)
RXC (at Transmitter)
RX_CTL
TD[3:0]
TX_CTL
TXC (at Receiver)
TXEN
TXERR
TSkewR
TSkewT
RXC (at Receiver)
RD[3:0]
RXDV
RXERR
TSkewR
TSkewT
RD[3:0]
TD[7:4]
RD[7:4]
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