參數(shù)資料
型號(hào): DJIXE972MEEA4
廠(chǎng)商: Intel Corp.
英文描述: Single-Port 10/100 Mbps PHY Transceiver
中文描述: 單端口10/100 Mbps的物理層收發(fā)器
文件頁(yè)數(shù): 68/92頁(yè)
文件大小: 666K
代理商: DJIXE972MEEA4
Intel
LXT972M Single-Port 10/100 Mbps PHY Transceiver
68
Datasheet
Document Number: 302875-005
Revision Date: 27-Oct-2005
Figure 25. Intel
LXT972M Transceiver 10BASE-T Transmit Timing
Table 33. Intel
LXT972M Transceiver 10BASE-T Transmit Timing
Parameter
Symbol
Min
Typ
1
Max
Units
2
Test Conditions
TXD, TX_EN, setup to TX_CLK High
t1
10
ns
TXD, TX_EN, hold from TX_CLK High
t2
0
ns
TX_EN sampled to CRS asserted
t3
2
BT
TX_EN sampled to CRS de-asserted
t4
1
BT
TX_EN sampled to TPO out
(Tx latency)
t5
72.5
BT
1. Typical values are at 25 °C and are for design aid only, not guaranteed, and not subject to production
testing.
2. BT (Bit Time) is the duration of one bit as transferred to and from the MAC and is the reciprocal of the bit
rate. 10BASE-T bit time = 10
-7
s or 100 ns.
TX_CLK
TXD,
TX_EN
CRS
TPO
t
1
t
3
t
4
t
5
t
2
B3461-01
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