參數(shù)資料
型號(hào): DM9161A
廠商: Electronic Theatre Controls, Inc.
英文描述: 10/100 MBPS FAST ETHEMET PHYSICAL LAYER SINGLE CHIP TRANSCEIVER
中文描述: 10/100 Mbps快速以太網(wǎng)物理層單芯片收發(fā)器
文件頁(yè)數(shù): 43/45頁(yè)
文件大小: 1206K
代理商: DM9161A
43
Preliminary
Version: DM9161A-DS-P04
Jan.19,2005
9.4.18 RMII Timing Diagram
9.4.19 RMII Timing Parameter
Symbol
Fref
REF_CLK Frequency
Parameter
Min.
49.9985
Typ.
50
Max.
50.0015
Unit
MHz
Conditions
30ppm
(1.5KHZ)
30ppm
Tref%
Tref
Tsu
REF_CLK Duty Cycle
REF_CLK Clock Cycle
TXD[1:0], TX_EN, RXD[1:0], CRS_DV, RX_ER
Data Setup to REF_CLK rising edge
TXD[1:0], TX_EN, RXD[1:0], CRS_DV, RX_ER
Data hold from REF_CLK rising edge
35
4
-
65
-
-
%
ns
ns
20
-
Thold
2
-
-
ns
TXD[1:0], TX_EN,
RXD[1:0], CRS_DV,
RX_ER
REF_CLK
Tsu Thold
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