UMTS/HSPA Module Series
UC20 Hardware Design
UC20_Hardware_Design Confidential / Released 18 / 84
3.2. Pin Assignment
The following figure shows the pin assignment of the UC20 module.
35 36
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
1
3
4
5
6
7
2
WAKEUP_IN
AP_READY
SLEEP_IND
W_DISABLE#
NET_MODE
NET_STATUS
VDD_EXT
GND
GND
DBG_RXD
DBG_TXD
USIM_PRESENCE
USIM_VDD
USIM_DATA
USIM_CLK
USIM_RST
VRTC
8
9
10
11
12
13
14
15
16
17
18
19
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55
USIM_GND
G
N
D
R
E
S
E
T
_N
P
W
R
K
E
Y
A
G
N
D
R
E
S
E
R
V
E
D
P
C
M
_IN
P
C
M
_O
U
T
P
C
M
_S
Y
N
C
P
C
M
_C
LK
R
E
S
E
R
V
E
D
R
E
S
E
R
V
E
D
R
E
S
E
R
V
E
D
R
E
S
E
R
V
E
D
R
E
S
E
R
V
E
D
R
E
S
E
R
V
E
D
V
D
D
_2
V
85
A
N
T
_D
IV
G
N
D
G
N
D
U
S
B
_V
B
U
S
U
S
B
_D
M
U
S
B
_D
P
R
X
D
T
X
D
D
T
R
R
T
S
C
T
S
D
C
D
R
I
S
T
A
T
U
S
V
B
A
T
_B
B
V
B
A
T
_B
B
V
B
A
T
_R
F
V
B
A
T
_R
F
G
N
D
R
E
S
E
R
V
E
D
GND
GND
ANT_MAIN
GND
ANT_GNSS
GND
ADC1
RESERVED
I2C_SDA
I2C_SCL
RESERVED
RESERVED
RESERVED
RESERVED
ADC0
GND
GND
GND
73
74
75
76
77
78
79
80
81
82
83
84
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
Power
USB
UART
USIM
PCM
ANT
GND
RESERVED OTHERS
108
Figure 2: Pin Assignment (Top View)
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.
NOTES
