Quectel EC200U Series, Hardware Design

Page: 20 / 100

LTE Standard Module Series
EC200U_Series_Hardware_Design 15 / 94
3.2. Pin Assignment
The following figure shows the pin assignment of EC200U series module.
100
101
102
106
107
111
112
103
104 109
105 110
89
94 98
88 93 97
86 91 96
85 90
95
99
87 92
108
Power Pins GND Pins Signal Pins
RESERVED Pins
118
WLAN_SLP_
CLK
127
WLAN_PWR_
EN
135
WLAN_WAKE
136
WLAN_EN
1
WAKEUP_IN
2
AP_READY
3
SLEEP_IND
4
W_DISABLE#
5
NET_MODE
6
NET_STATUS
7
VDD_EXT
141
I2C2_SCL
142
I2C2_SDA
8
GND
9
GND
10
USIM_GND
11
DBG_RXD
12
DBG_TXD
13
USIM_DET
14
USIM_VDD
15
USIM_DATA
16
USIM_CLK
17
USIM_RST
18
RESERVED
1
1
6
R
E
S
E
R
V
E
D
1
1
5
U
S
B
_
B
O
O
T
1
9
G
N
D
2
0
R
E
S
E
T
_
N
2
1
P
W
R
K
E
Y
2
2
G
N
D
2
3
S
D
_
D
E
T
2
4
P
C
M
_
D
IN
2
5
P
C
M
_
D
O
U
T
2
6
P
C
M
_
S
Y
N
C
2
7
P
C
M
_
C
L
K
2
8
S
D
IO
1
_
D
A
T
A
3
2
9
S
D
IO
1
_
D
A
T
A
2
3
0
S
D
IO
1
_
D
A
T
A
1
3
1
S
D
IO
1
_
D
A
T
A
0
3
2
S
D
IO
1
_
C
L
K
3
3
S
D
IO
1
_
C
M
D
3
4
S
D
IO
1
_
V
D
D
3
5
A
N
T
_
B
T
/W
IF
I_
S
C
A
N
3
6
G
N
D
37
SPI_CS
38
SPI_MOSI
39
SPI_MISO
40
SPI_CLK
41
I2C_SCL
42
I2C_SDA
43
ADC2
44
ADC1
45
ADC0
46
GND
47
ANT_GNSS
143
GRFC1
144
GRFC2
48
GND
49
ANT_MAIN
50
GND
51
GND
52
GND
53
GND
54
GND
5
5
R
E
S
E
R
V
E
D
5
6
G
N
D
5
7
V
B
A
T
_
R
F
5
8
V
B
A
T
_
R
F
5
9
V
B
A
T
_
B
B
6
0
V
B
A
T
_
B
B
6
1
S
T
A
T
U
S
6
2
M
A
IN
_
R
I
6
3
M
A
IN
_
D
C
D
6
4
M
A
IN
_
C
T
S
6
5
M
A
IN
_
R
T
S
6
6
M
A
IN
_
D
T
R
6
7
M
A
IN
_
T
X
D
6
8
M
A
IN
_
R
X
D
6
9
U
S
B
_
D
P
7
0
U
S
B
_
D
M
7
1
U
S
B
_
V
B
U
S
7
2
G
N
D
1
1
3
K
E
Y
O
U
T
2
1
1
4
K
E
Y
O
U
T
3
73
LOUDSPK
_P
74
LOUDSPK
_N
75
MIC_P
76
GND
77
MIC_N
78
KEYIN1
79
KEYIN2
80
KEYIN3
81
RESERVED
82
RESERVED
83
KEYOUT0
84
KEYOUT1
117
RESERVED
119
LCD _FMARK
120
LCD _RSTB
121
LCD
_SEL
122
LCD
_CS
123
LCD _CLK
124
LCD _SDC
125
LCD
_SI/O
126
GPIO1
128
USIM2_VDD
129
SDIO2_DATA3
130
SDIO2_DATA2
131
SDIO2_DATA1
132
SDIO2_DATA0
133
SDIO2_CLK
134
SDIO2_CMD
137
AUX _RXD
138
AUX
_TXD
139
BT _EN
140
ISINK
Figure 2: Pin Assignment (Top View)
1. USB_BOOT and KEYIN1 cannot be pulled up before
the module’s successful startup.
2. Please keep all RESERVED and unused pins unconnected, and all GND pins are connected to
the ground.
3. Pin 85
–
112 should be connected to the ground.
NOTE