參數(shù)資料
型號(hào): AM79C875KI
廠商: ADVANCED MICRO DEVICES INC
元件分類: 網(wǎng)絡(luò)接口
英文描述: NetPHY⑩ 4LP Low Power Quad 10/100-TX/FX Ethernet Transceiver
中文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP100
封裝: 14 X 20 MM, PLASTIC, QFP-100
文件頁(yè)數(shù): 41/48頁(yè)
文件大?。?/td> 2480K
代理商: AM79C875KI
Am79C875
41
Independent RMII Mode Signals
100 Mbps RMII Transmit
Symbol
Parameter Description
Min.
Max.
Unit
t
RS100
t
RH100
t
RTJ100
t
TIDLE100
TX_EN[X], TXD[X]_[1:0] Setup Time to REFCLK Rising Edge
4
-
ns
TX_EN[X], TXD[X]_[1:0] Hold time From REFCLK Rising Edge
2
-
ns
Transmit Latency TX_EN[X] Sampled by REFCLK to First Bit of /J/
60
100
ns
Required De-assertion Time Between Packets
120
-
ns
REFCLK
t
RS100
t
RH100
t
RS100
TX_EN[X]
TXD[X]_[1:0]
TX±
t
RTJ100
/J/
22236G-22
Figure 20. RMII 100 Mbps Transmit Start of Packet
REFCLK
TX_EN[X]
TX±
/J/
t
TIDLE100
/T/
22236G-23
Figure 21. RMII 100 Mbps Transmit End of Packet Timing
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