Datasheet
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MikroElektronika assumes no responsibility or liability for any errors or inaccuracies that may appear in the present document.
Specification and information contained in the present schematic are subject to change at any time without notice. Copyright 2016 MikroElektronika. All rights reserved.©
3G SARA click schematic v100
AN
RST
CS
SCK
MOSI
MISO
+3.3V
GND
PWM
INT
RX
TX
SCL
SDA
+5V
GND
MIKROBUS
GND GND
3V3 5V
GND GND
R1
1k
GND
C3
10µF
AGND
1V8
R2
10k
AGND
C4
2.2µF
C5
1µF
C7
2.2µF
AGND
R3 22
R4 22
C8
47pF
GND
C9
1µF
C10
1µF
C11
1µF
GND
1V8 1V8
FB1
AGND GND
C12
22pF
GND
VCC
GND
GND
C13
10µF
FB2
5V
GND GND
R5
1k
R6
10k
R7
100k
GND
C14
2.2µF
VGSM
GND
C16
470µF
C17
470µF
GND
VGSM
C19
10µF
VCC
GND
1
2
3
JP1
SEL JMP 0805 SMD
5V 3V3VCC
R8
470
PWR
LED GREEN
GND
5V
5V
GND
C20
2.2µF
GND
R9
22k
GND
R10
10k
C21
10µF
1V8
GND
GND
C22
47pF
C23
47pF
C24
47pF
1
2
3
4
5
ID
D+
D-
VBUS
GND
CN1
USB MINIAB
GND
FB3
VBUS
GND
5V
D1PMEG3010ER,115
C26
1µF
R13
2.2k
AGND
C27
4.7µF
AGND
C28
10pF
C29
33pF
C30
10pF
C31
33pF
GND
C32 10µF
C33 10µF
C34
1µF
R14
2.2k
AGND
GND
GND
R15
2.2k
R16
2.2k
TX LED STAT LED
VGSM VGSM
STAT
RTS
PWRKEY
RXD
TXD
CTS
RI
!RXD
!TXD
!RTS
!RI
!STAT
!CTS
VINT
RTS
RXD
TXD
CTS
RI
STAT
MIC+
MIC-
MIC_BIAS
I2C_SDA
I2C_SCL
EAR+
PCM_CLK
PCM_SYNC
PCM_DOUT
PCM_DIN
CLK_OUT
USB-D_P
USB-D_N
EAR+
MIC+
MIC-
MIC_BIAS
!STAT
VGSM
GND
!RI
!RTS
!CTS
!TXD
!RXD
GND
PWRKEY
!STAT
VBUS
CLK_OUT
GND
TX_LED
USB-D_N
USB-D_P
GND
PCM_SYNC
PCM_DOUT
PCM_CLK
PCM_DIN
SIM_VCC
SIM_RST
SIM_CLK
SIM_IO
SIM_CLK
SIM_IO
SIM_RST
SIM_VCC
VGSMGND
VINT
GND
I2C_SDA
I2C_SCL
GND
1
V_BCKP
2
GND
3
V_INT
4
GND
5
DSR
6
RI
7
DCD
8
DTR
9
RTS
10
CTS
11
TXD
12
RXD
13
GND
14
PWR_ON
15
GPIO1
16
VUSB_DET
17
RESET_N
18
CODEC_CLK
19
GND
20
GND
21
GND
22
GPI O2
23
GPI O3
24
GPI O4
25
S D A
26
SC L
27
USB _D -
28
USB _D +
29
GND
30
R S V D
31
GND
32
RSVD
33
I2S_WA
34
I2S_TXD
35
I2S_CLK
36
I2S_RXD
37
SIM_CLK
38
SIM_IO
39
SIM_RST
40
VSIM
41
SIM_DET
42
GND
43
RSVD
44
RSVD
45
RSVD
46
RSVD
47
RSVD
48
RSVD
49
GND
50
VCC
51
VCC
52
VCC
53
GND
54
GND
55
A NT
56
GND
57
GND
58
GND
59
GND
60
GND
61
A NT _DE T
62
GND
63
GND
64
65...96
SARA
U-BLOX
U6
R18
4.7k
R19
4.7k
I2C_SDA
I2C_SCL
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
A1
VCCA
A2
A3
A4
A5
A6
OE
B5
B6
B1
VCCB
B2
B3
B4
GND
TXB0106
U1
TXB0106
2
3
4
5
6
7
11
12
13
14
24
23
22
21
18
17
16
15
8
1
19
9
10
20
MICBIAS
PREG
REG
REF
AGND
AVDD
OUTP
OUTN
SDA
SCL
DVDDIO
DGND
DVDD
MCLK
SDO
SDI
LRCLK
BCLK
MICRP
MICLP
MCGND
MICLN
MICRN
IRQn
MAX9860
GND
U2
6
2
3
4
5
SHDN
GND
VOUT
ADJ
1
VIN
GND
U3
MCP1826
1
2
3
IN
GND
OUT
5
4
EN ADJ
U4
SPX3819M5
1
5
2
3
7
VCC
GND
RST
CLK
IO
U5
uSIM_CARD_HOLDER-6pin
CN2
ANTENNA
3
1
2
4
CN3
SJ-43514
C1
0.1µF
C2
0.1µF
C15
0.1µF
C18
0.1µF
C25
0.1µF
C370.1µF
C6
1µF
TX_LED
C
3610
00
0
p
F
R1
R2
Q2
PDTC114EU
R1
R2
Q3
PDTC114EU
1V8
C3556pF
C38
0.1µF