SARA-G3 series - System Integration Manual
UBX-13000995 - R06
Objective Specification
Appendix
Page 207 of 218
B
Migration between SARA-G3 and SARA-U2
Overview
SARA-G3 and SARA-U2 series wireless modules have exactly the same SARA form factor (26.0 x 16.0
mm LGA) with exactly the same 96-pad layout as described in
, so that the modules
can be alternatively mounted on a single application board using exactly the same copper mask, solder
mask and paste mask.
64 63
61 60
58 57
55 54
22 23
25 26
28 29
31 32
11
10
8
7
5
4
2
1
21
19
18
16
15
13
12
43
44
46
47
49
50
52
53
33
35
36
38
39
41
42
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
CTS
RTS
DCD
RI
V_INT
V_BCKP
GND
RSVD
RESET_N
RSVD
PWR_ON
RXD
TXD
3
20
17
14
9
6
24
27
30
51
48
45
40
37
34
59
62
56
GND
GND
DSR
DTR
GND
RSVD
GND
GND
R
X
D
_
A
U
X
T
X
D
_
A
U
X
E
X
T
3
2
K
G
N
D
R
S
V
D
3
2
K
_
O
U
T
R
S
V
D
R
S
V
D
R
S
V
D
G
N
D
G
N
D
GND
RSVD
RSVD
RSVD
RSVD
GND
VCC
VCC
RSVD
RSVD
RSVD
SIM _CLK
SIM _IO
VSIM
SIM _DET
VCC
RSVD
RSVD
SIM _RST
RSVD
RSVD
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
R
S
V
D
ANT
SARA-G300
SARA-G310
Top View
Pin 65-96: GND
64 63
61 60
58 57
55 54
22 23
25 26
28 29
31 32
11
10
8
7
5
4
2
1
21
19
18
16
15
13
12
43
44
46
47
49
50
52
53
33
35
36
38
39
41
42
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
CTS
RTS
DCD
RI
V_INT
V_BCKP
GND
RSVD
RESET_N
GPIO1
PWR_ON
RXD
TXD
3
20
17
14
9
6
24
27
30
51
48
45
40
37
34
59
62
56
GND
GND
DSR
DTR
GND
RSVD
GND
GND
R
X
D
_
A
U
X
T
X
D
_
A
U
X
R
S
V
D
G
N
D
G
P
IO
2
G
P
IO
3
S
D
A
SCL
G
P
IO
4
G
N
D
G
N
D
GND
SPK_P
M IC_BIAS
M IC_GND
M IC_P
GND
VCC
VCC
RSVD
I2S_TXD
I2S_CLK
SIM _CLK
SIM _IO
VSIM
SIM _DET
VCC
M IC_N
SPK_N
SIM _RST
I2S_RXD
I2S_WA
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
A
N
T
_
D
E
T
ANT
SARA-G350
Top View
Pin 65-96: GND
64 63
61 60
58 57
55 54
22 23
25 26
28 29
31 32
11
10
8
7
5
4
2
1
21
19
18
16
15
13
12
43
44
46
47
49
50
52
53
33
35
36
38
39
41
42
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
CTS
RTS
DCD
RI
V_INT
V_BCKP
GND
CODEC_CLK
RESET_N
GPIO1
PWR_ON
RXD
TXD
3
20
17
14
9
6
24
27
30
51
48
45
40
37
34
59
62
56
GND
GND
DSR
DTR
GND
VUSB_DET
GND
GND
U
S
B
_
D
-
U
S
B
_
D
+
R
S
V
D
G
N
D
G
P
IO
2
G
P
IO
3
S
D
A
SCL
G
P
IO
4
G
N
D
G
N
D
GND
RSVD
RSVD
RSVD
RSVD
GND
VCC
VCC
RSVD
I2S_TXD
I2S_CLK
SIM _CLK
SIM _IO
VSIM
SIM _DET
VCC
RSVD
RSVD
SIM _RST
I2S_RXD
I2S_WA
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
A
N
T
_
D
E
T
ANT
SARA-U2
Top View
Pin 65-96: GND
Figure 72: SARA-G3 series and SARA-U2 series modules pad layout and pin assignment
summarizes the interfaces provided by SARA-G3 and SARA-U2 series modules: all the
interfaces provided by different modules are electrically compatible, so that the same compatible external
circuit can be implemented on the application board.
M
odul
es
Pow
er
Ant
en
na
Sy
st
e
m
SI
M
Ser
ia
l
Audi
o
O
ther
Mo
du
le
s
up
pl
y
in
pu
t
RTC
s
up
pl
y I
/O
1.
8 V s
up
pl
y O
ut
pu
t
An
te
nn
a
RF I
/O
Rx
d
ive
rs
ity
i
np
ut
An
te
nn
a
de
te
ct
io
n
Po
we
r-
on
i
np
ut
Re
se
t i
np
ut
32
k
Hz
i
np
ut
32
k
Hz
o
ut
pu
t
1.
8 V / 3
.0
V SI
M
SI
M d
et
ec
tio
n
1.
8 V U
AR
T
1.
8 V U
AR
T AU
X
1.
8 V SPI
USB 2
.0
1.
8 V D
DC
An
al
og
a
ud
io
I
/O
1.
8 V d
ig
ita
l a
ud
io
13
/26
MH
z o
ut
pu
t
1.
8 V G
PIO
s
Ne
tw
or
k
in
di
ca
tio
n
G
NS
S s
up
pl
y
en
ab
le
G
NS
S Tx
d
at
a r
ea
dy
G
NS
S R
TC
s
ha
rin
g
SARA-G300/G310 series
• • • • • • • • • • • •
SARA-G350 series
• • • • • • • • • • • • • • • • • • •
SARA-U2 series
• • • • • • • • • • • • • • • • • • •
Table 43: Summary of SARA-G3 series and SARA-U2 series modules interfaces