参数资料
型号: WJLXT907ALCA4
厂商: CORTINA SYSTEMS INC
元件分类: 网络接口
英文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP64
封装: ROHS COMPLIANT, LQFP-64
文件页数: 18/48页
文件大小: 621K
代理商: WJLXT907ALCA4
Intel
LXT901A/907A Universal 3.3 V Ethernet Transceiver
Datasheet
25
Document Number: 249098
Revision Number: 003
Revision Date: 27-Nov-2005
Figure 13. Manual Port Select with Seeq 8005 Controller
LX
T
901A
/907A
CLKI
LBK
TPIN
50
Ω
50
Ω
TPIP
1 : 1
116
14
6
5
4
3
2
1
11
0.1
μF
9
TPONA
TPONB
TPOPB
TPOPA
RJ45
3
6
8
T
o
1
0
BA
SE
-T
T
W
IS
T
E
D
-
PA
IR
N
E
T
W
O
R
K
1
2
4
5
7
89
10
12
13
15
16
1
2
3
4
5
6
7
8
15
14
13
12
9
10
11
+ 12 V
CIN
CIP
DON
DOP
DIN
DIP
RBIAS
GND2
GND1
CD
D
-
CO
NNE
CT
O
R
t
o
AU
ID
R
O
P
C
ABL
E
Chassis
Gnd
Fuse
78
Ω
78
Ω
78
12.4 k
Ω
RXD
RCLK
COL
TEN
TCLK
TXD
PAUI
AUTOSEL
NTH
MD0
MD1
DSQE (907A)
STP (901A)
LI
JAB
PLR
Red
LINE STATUS
1 %
+3.3 V
LEDC/FDE
LEDR
LEDT/PDN
LEDL
VCC1
VCC2
330
1 : 2
Green
330
Port Selection
CLKO
8005
CLKI
LPBK
CSN
RxD
RxC
COLL
TxEN
TxC
TxD
External
20 MHz
Source
Left Open
Bias resistor RBIAS should be located close to the pin and isolated from other signals.
TEST
24.9
Ω 1%
24.9
Ω 1%
Optional: Centertap capacitor may improve EMC depending on board layout and system design.
2
1
2
1
1 : 1
0.1
μF
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