Datasheet

GSM 4 click schematic v102
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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©2018 MikroElektronika. All rights reserved.
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
VCC
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
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
AGND
C29
33pF
C31
33pF
C32 10µF
C33 10µF
GND
GND
R15
2.2k
R16
2.2k
GSM TX STAT
VGSM VGSM
STAT
RTS
PWRKEY
RXD
TXD
CTS
RI
!RXD
!TXD
!RTS
!RI
!STAT
!CTS
VINT
RTS
RXD
TXD
CTS
RI
STAT
USB-D_P
USB-D_N
MIC_P
MIC_N
MIC_BIAS
!STAT
VGSM
GND
!RI
!RTS
!CTS
!TXD
!RXD
GND
PWRKEY
!STAT
GND
TX_LED
GND
SIM_VCC
SIM_RST
SIM_CLK
SIM_IO
SIM_CLK
SIM_IO
SIM_RST
SIM_VCC
VGSMGND
VINT
GND
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
6
2
3 4
5
SHDN
GND VOUT ADJ
1
VIN
GND
U3
MCP1826
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
C15
0.1µF
C18
0.1µF
C25
0.1µF
C370.1µF
TX_LED
C3610000pF
R1
R2
Q2
PDTC114EU
R1
R2
Q3
PDTC114EU
C3556pF
C38
0.1µF
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
RSVD
17
RESET_N
18
RSVD
19
GND
20
GND
21
GND
22
GPIO2
23
GPIO3
24
GPIO4
25
SDA
26
SCL
27
RXD_AUX
28
TXD_AUX
29
GND
30
RSVD
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
SPK_P
44
SPK_N
45
MIC_BIAS
46
MIC_GND
47
MIC_N
48
MIC_P
49
GND
50
VCC
51
VCC
52
VCC
53
GND
54
GND
55
ANT
56
GND
57
GND
58
GND
59
GND
60
GND
61
ANT_DET
62
GND
63
GND
64
65...96
SARA
U-BLOX
U6
SPK_P
SPK_N
MIC_BIAS
MIC_GND
MIC_N
MIC_P
VCCIO
RXD
GND
CTS
CB2
RST
VCC
CB1
CB0
GND
RTS
TXD
CB3
DP DM 3V3
GND PAD
U2
FT230x
R10
10k
R11
4.7k
GND
VBUS
GND
GND
VINT
!TXD
!RXD
TX
RX
VGSM
R12
2.2k
R9
2.2k
VGSM
USB-D_P
USB-D_N
GND
C26
0.1µF
MIC_GND
C34
0.1µF
R14
4.7k
AGND AGND
FB1
AGND GND
SPK_P
C4
0.1µF
VINT
GND
VBKP
T1
VBKP
PWRKEY
R18
100k
GND
5V
GND
5V