參數(shù)資料
型號(hào): 21145
廠商: Intel Corp.
英文描述: Phoneline/Ethernet LAN Controller(電話線/以太網(wǎng)LAN控制器)
中文描述: 電話線/以太網(wǎng)控制器(電話線/以太網(wǎng)局域網(wǎng)控制器)
文件頁(yè)數(shù): 35/50頁(yè)
文件大?。?/td> 624K
代理商: 21145
21145
Preliminary
Datasheet
29
3.9
MII Interface Specifications
Table 24
lists the specifications for the MII interface.
3.10
MII/SYM Port Timing
This section describes the MII/SYM port timing limits.
3.10.1
MII/SYM 10/100 Mb/s and 10 Mb/s Timing—Transmit
Figure 10
shows the MII/SYM port transmit timing characteristics, and
Table 25
lists the MII/SYM
port transmit timing limits.
Table 24. MII Interface
Symbol
Definition
Condition
Minimum
Maximum
Unit
V
oh
Output high voltage
I
oh
= –4 mA
2.4
V
V
ol
Output low voltage
I
ol
= 4 mA
0.4
V
V
ih
Input high voltage
2.0
V
V
il
Input low voltage
0.8
V
I
in
Input current
V
in
= vcc or vss
–10.0
10.0
μ
A
I
oz
Maximum tristate output
leakage current
V
in
= vdd or vss
–10.0
10.0
μ
A
Figure 10.
MII/SYM Port Timing Diagram—Transmit
A6450-01
mii/sym_tclk
mii/sym_txd<3:0>
mii_txen
T
cc
T
ch
T
val
T
val
T
cl
T
cf
T
cr
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