Pin Assignment - Quectel UC20 Manual

3.2. Pin Assignment

The following figure shows the pin assignment of the UC20 module.
1
WAKEUP_IN
2
AP_READY
3
SLEEP_IND
W_DISABLE# 4
5
NET_MODE
6
NET_STATUS
7
VDD_EXT
8
GND
9
GND
10
USIM_GND
11
DBG_RXD
12
DBG_TXD
13
USIM_PRESENCE
14
USIM_VDD
15
USIM_DATA
16
USIM_CLK
17
USIM_RST
18
VRTC
Power
NOTES
1. Keep all reserved pins and unused pins unconnected.
2. GND pads 85~112 should be connected to ground in the design, and RESERVED pads 73~84
should be unconnected.
UC20_Hardware_Design
108
103
109 104 100
82
110 105 83
84
111 106 101
107 102
112
USB UART USIM
Figure 2: Pin Assignment (Top View)
Confidential / Released
99 95 90
96 91
76 73
79
80 77 74
92
81 78 75
97 93
98 94
PCM ANT GND
UMTS/HSPA Module Series
UC20 Hardware Design
54
GND
53
GND
52
GND
85
51
GND
50
GND
49
ANT_MAIN
86
48
GND
47
ANT_GNSS
87
46
GND
45
ADC0
44
ADC1
88
43
RESERVED
42
I2C_SDA
41
I2C_SCL
40
RESERVED
89
39
RESERVED
38
RESERVED
37
RESERVED
RESERVED OTHERS
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