Pin Assignment - Quectel UC20 Hardware Design

3.2. Pin Assignment

The following figure shows the pin assignment of the UC20 module.
WAKEUP_IN
AP_READY
SLEEP_IND
W_DISABLE#
NET_MODE
NET_STATUS
VDD_EXT
GND
GND
USIM_GND
DBG_RXD
DBG_TXD
USIM_PRESENCE
USIM_VDD
USIM_DATA
USIM_CLK
USIM_RST
VRTC
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 not be designed in schematic and PCB decal.
"*" means PCM function is only supported in Telematics version.
3.
UC20_Hardware_Design
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1
2
3
108
103
4
5
6
104
109
7
8
110 105
9
10
11
106
111
12
13
14
15
107
112
16
17
18
Power USB UART
Figure 2: Pin Assignment (Top View)
99 95 90
100
96 91
82 79 76 73
83 80 77 74
92
84 81 78
75
97 93
101
98 94
102
ANT
USIM PCM*
Confidential / Released
UMTS/HSPA Module Series
UC20 Hardware Design
54
53
52
85
51
50
49
86
48
47
87
46
45
44
88
43
42
41
40
89
39
38
37
RESERVED OTHERS
GND
GND
GND
GND
GND
GND
ANT_MAIN
GND
ANT_GNSS
GND
ADC0
ADC1
RESERVED
I2C_SDA
I2C_SCL
RESERVED
RESERVED
RESERVED
RESERVED
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