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A
4
18
LAN_JCLK
3
+V3.3_LAN
If LAN is enabled,
R6A6
10K
PM_LANPWROK waits for
PM_PWROK to go high and
LAN_TCK
stays high in S3.
Q6A1
BSS138
1
18,32
PM_LANPWROK
82562EM Testpoint Header
2
1
A
B
+V3.3
15,18..20,23,27,32,35,37,38,44,45
+V3.3_LAN
R6A1
0.01_1%
C6A5
C6A7
C6A10
C6A11
C6A3
C6A2
4.7UF
4.7UF
0.1UF
0.1UF
0.1UF
0.1UF
39
JCLK
42
18
LAN_RST
JRSTSYNC
45
18
LAN_TXD2
JTXD2
44
18
LAN_TXD1
JTXD1
43
18
LAN_TXD0
JTXD0
37
Platform LAN
JRXD2
18
LAN_RXD2
35
JRXD1
18
LAN_RXD1
Connect
34
18
LAN_RXD0
JRXD0
LAN_ADV
41
ADV10
30
ISOL_TCK
28
ISOL_TI
29
ISOL_EX
LAN_TOUT
26
TOUT
LAN_TESTEN
21
TESTEN
R6M1
100
82562EM
J6A1
1
2
NO_STUFF
B
C
Bulk caps should be 4.7uF or higher.
Layout note:
L6A1
Place 100 Ohm resistor
+V3.3_L_LAN
close to 82562EM
4.7UH
C6A6
C6A4
Optional cap: C6A1
0.1UF
4.7UF
value 6pF - 12pF if
needed for magnetics
No Stuff
U6A1
R6A5
C6A1
10
TDP
100_1%
NO_STUFF_10PF
11
TDN
LAN_RDP
15
RDP
16
RDN
LAN_RDN
LAN_RB100
R6A2
5
RBIAS100
LAN_RB10
R6A3 549_1%
4
RBIAS10
LAN_ACTLED#
32
ACTLED
LAN_SPDLED#
31
SPDLED
LAN_LILED#
27
LILED
LAN_X2
47
X2
LAN_X1
46
X1
Y5A1
25MHZ
C6A9
22PF
C
D
Layout note:
Transmit/Receive pairs
need to be 50 ohms
+V3.3_LAN
LAN_TDP
9
LAN_TDN
10
TDC
13
12
R6A4
121_1%
11
14
619_1%
17
18
19
20
C6A8
22PF
Title
LAN Interface (82562EM)
Size
Project:
A
Intel Celeron M / 852GM CRB C26116
Date:
Wednesday, January 12, 2005
D
E
4
J5A1A
15
TDP
RXC
TDN
28
GND1
27
TDC1
GND2
26
TDC2
GND3
25
GND4
24
RDP
GND5
3
23
RDN
GND6
22
GND7
GRN
21
LED_PWR
GND8
16
SPEED LED
GND9
YLW
ACT_LED
LINK_LED
STACKED_RJ45_USB
Magnetics and LED resistors
are integrated into RJ-45
Chassis GND
(should cover part
of magnetics)
2
1
Document Number
Rev
4.403
Sheet
30
of
51
E
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