Pin Assignment - Quectel EC200U Series Hardware Design

3.2. Pin Assignment

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