HUAWEI ME909s Series LTE Mini PCIe Module
Hardware Guide
Appendix A Circuit of Typical Interface
Issue 02 (2016-09-07)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
74
9
Appendix A Circuit of Typical Interface
1
5
0u
F
C
5
R
1
1
0
K
D1
R 2
47 0
J2
1 1
7
3
6
2
5
1
4
1 0
9
8
S 2
S 3
M 1
C D
V C C
G N D
R S T
VP P
C L K
I/ O
M 2
R 3
0
R 4
0
R 5
0
R 6
0
D
2
6
1
3
4
2
5
1u F
C 8
3
3p
F
C 9
1
5
0u
F
C
3
3
3p
F
C 10
3
3p
F
C 11
3
3p
F
C 12
C 1
100n F
J1
24
1
3
5
7
9
1 1
1 3
1 5
1 7
1 9
2 1
2 3
2 5
2 7
2 9
3 1
3 3
3 5
3 7
3 9
4 1
4 3
4 5
4 7
4 9
5 1
2
4
6
8
1 0
1 2
1 4
1 6
1 8
20
22
2 6
2 8
3 0
3 2
3 4
3 6
3 8
4 0
42
44
46
48
5 0
5 2
G ND 14
USIM_DET
NC
NC
L E D _ WW A N#
G ND 12
U SB _ D P
U SB _ D P
U SB _ D P
USB _ D M
U SB _ D M
U SB _ D M
G ND 9
NC
NC
NC
G ND 6
RESERVED
G ND 4
NC
U S IM _ R ESE T
U S IM _ C L K
U S IM _ D A TA
U S IM _ P W R
NC
G ND 1
VCC_3 V3
GND1 3
GND1 1
G ND 1 0
NC
NC
G ND 8
G ND 7
NC
NC
G ND 5
UART_TX
UART_RX
G ND 3
NC
NC
G ND 2
W AKEUP_IN
UART_RTS
UART_CTS
W AK E#
VCC_3 V3
VCC_3 V3
VCC_3 V3
VCC_3 V3
C 2
10p F
C
4
1
5
0u
F
C
7
1
.8
p
F
GN D
GN D
U S IM _DA TA
U S IM _ DA T A
U S IM _C LK
U S IM _ C LK
U S IM _R E S E T
U S IM _ R E S E T
U S IM _P W R
U S IM _P W R
LE D _WW AN
P C M _ C LK
P C M _C LK
P C M _ DOU T
P C M _DOU T
P C M _ D IN
P C M _D IN
P C M _S YN C
P C M _S YN C
V CC _3 V3
VCC _3V3
VCC _3 V 3
V CC _3 V 3
V CC _3 V 3
Wake the host
VCC From Host
DN I
DN I,R eserve for
U S B eye d ebu g
to U S B 2.0 interf ac e
Open drain,active low
N ote the sign al d irec ti on o f P C M _ DOU T ,P C M _ D IN
Do
support Hot Plug.
RESIN_N
C
6
3
3p
F
RESIN_N
Cap close to the pin22 o f modu le
Active low
not