Appendix A Circuit Of Typical Interface - Huawei ME906s LTE M.2 Hardware Manual

Table of Contents

Advertisement

HUAWEI ME906s LTE M.2 Module
Hardware Guide
10
DNI: Do Not Install initially.
M.2: new name of NGFF.
Config pin SCH
CONFIG[3:0] is for card type indication and present detection
1V8
ME906s is configed as WWAN-SSIC0 internally
CONFIG3
CONFIG2
CONFIG1
CONFIG0
CONFIG[3:0] to PC
USB SCH
USB_DP
DNI,Reserve for
to PC USB2.0 interface
USB eye debug.
USB_DM
Tunable antenna SCH
R14
0
ANT_TUNE_0
ANT_TUNE_1
R15
0
R16
0
ANT_TUNE_2
ANT_TUNE_3
R17
0
RC is reserved for RF debug
USIM SCH
USIM_DET
USIM_DET Must Be Used.
USIM_PWR
R20
0
USIM_RESET
R11
0
USIM_CLK
R12
0
USIM_IO
R13
0
0402
USIM absent: CD-->GND;
USIM present: CD Open
USIM_PWR:
1.8V or 3.0V
C18:to avoid twitter
other devices: for GCF or PTCRB debug.
Issue 05 (2019-03-25)
Appendix A Circuit of Typical
Module output: 0V or NC
1.8V (3.3V),open drain ,active low
1.8V (3.3V), active low
from proximity sensor
1.8V, Active Low
Cap close to pin67
1.8V tolerence
J2
10
M1
8
S2
4
CD
1
VCC
5
GND
2
RST
6
VPP
3
CLK
7
I/O
9
S3
11
M2
Capacitor of D2 should be less than 10pF
GND of socket should be well connected to module GND
Note: If M1 and M2 pin is metal,you can connect it to GND
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.

Appendix A Circuit of Typical Interface

J1
CONFIG3
1 P1
2
1V8(3V3)
P2
3
4
P3
P4
5
6
P5
P6
USB_DP
7
8
P7
P8
USB_DM
9
10
P9
P10
11
P11
CONFIG0
21
20
P21
P20
WAKE_On_WWAN
#
23
22
P23
P22
BODYSAR_N
25
24
P25
P24
27
26
P27
P26
29
28
P29
P28
31
30
P31
P30
33
32
P33
P32
35
34
P35
P34
37
36
P37
P36
39
38
P39
P38
41
40
P41
P40
43
42
P43
P42
45
44
P45
P44
47
46
P47
P46
49
48
P49
P48
51
50
P51
P50
53
52
P53
P52
55
54
P55
P54
57
56
P57
P56
ANT_TUNE_0
59
58
P59
P58
ANT_TUNE_1
61
60
P61
P60
ANT_TUNE_2
63
62
P63
P62
ANT_TUNE_3
65
64
P65
P64
RESET
#
67
66
P67
P66
CONFIG1
69
68
P69
P68
71
70
P71
P70
73
72
P73
P72
CONFIG2
75
74
P75
P74
76
77
M1
M2
RESET control SCH
V-gpio1
RESET
3
D
G
1
Q4
3
D
2
S
GPIO1
R21
0
G
1
Q3
2
S
GPIO1 is from SOC
V-gpio1 is power supply of GPIO1 domain
Interface
GPIO2
R23
0
1.8V(3.3V).high:on,low:off
POWER_ON_OFF
W_DISABLE
#
VBAT
1.8V(3.3V),active low
LED
#
R8
200
RF on: light on
D1
RF off: light off
GPS_DISABLE
#
1.8V(3.3V),active low
USIM_RESET
USIM_CLK
USIM_IO
USIM_PWR
M.2: 3.135V-4.4V,typical 3.3V
current: 2.5A max
One 220uF Tantalum Capacitor is needed to
make sure that the voltage does not drop
below 3.135 V in any case.
USIM_DET
VBAT
220uF
330pF
100nF
1uF
22uF
Power_on_off control option 1
When module on/off is controlled only by VBAT, must use this design
R24 should not be larger than 10K
When use option 1 , R23 must be DNI
VBAT
R24
10K
POWER_ON_OFF
Power_on_off control option 2
#
VBAT
When VBAT is always on, must use this design
When use option 2 , R24 must be DNI
GPIO2 is from SOC
When Vgpio2 is ON
Q1 is on and Q2 is off
Power_On_Off is controlled by GPIO2
When Vgpio2 is off
Q1 is off and Q2 is on
3
Power_On_Off is is pulled LOW
Module is shut off safely
Vgpio2
0
G
1
R19
2
V-gpio2 is power supply of GPIO2 domain
GPIO2
3
D
G
1
Q2
D
2
S
Q1
S
75

Advertisement

Table of Contents
loading

Table of Contents