Datasheet

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GSM2 click schematic v101
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©2017 MikroElektronika. All rights reserved.
+3V3
E5 10uF
RTS
C7 100nF
FP1
FERRITE BEAD
1
5
2
3
7
4
8
VCC
GND
RST
CLK
IO
CD2
CD1
U3
SIM_CARD
CN1
ANTENNA
3
1
2
4
CN3
ST-328B-3
RXD
TXD
E4 470uF/10V
CTS
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
U2
TXB0106
Vgsm
+5V
!RTS
!CTS
!RXD
!TXD
R13
2K2
LD1A
PWR
J1A
+5V
+3V3VCC
C6 100nF
VDD_EXT
Vgsm
!STAT NET_LED
C5 33pF
C4 33pF
C3 33pF
SIM_VCC
SIM_RST
SIM_CLK
SIM_IO
SIM_VCC
SIM_RST
SIM_CLK
SIM_IO
VCC
R3
1K
Q1
BC846
R4
100K
LD2B
VCC
R1
3K3
R5
1K
Q2
BC846
R6
100K
LD3C
VCC
R2
3K3
NET_LED
!RXD
!TXD
!RTS RTS
RXD
TXD
CTS
E3 470uF/10V
AGND
MIC+
EAR+
EAR+
MIC+
E1
10uF
E2
C8
100nF
AGND
AN
RST
CS
SCK
MOSI
MISO
+3.3V
GND
PWM
INT
RX
TX
SCL
SDA
+5V
GND
1
2
3
4
5
6
7
8
9
10
11
12 13 14 15 16 17 18 19 20
21
22
23
24
25
26
27
28
29
30
31
32 33 34 35 36
AGND
MIC2+
MIC2-
MIC1+
MIC1-
SPK1-
DTR
RI
RXD
NC NC
SPK1+
LOUDSPK-
LOUDSPK+
PWRKEY
EMG_OFF
STAT NETLD
RXDdbg
TXDdbg NC VDD_EXT
TXD
CTS
RTS
DCD
SIM_RST
VBAT
SIM_IO
SIM_VDD
SIM_CLK
SIM_GND
VRTC
VBAT
GND GND
37 38 39 40
GND GND GND
ANT
QUECTEL M95
41
NC
42
NC
U1
QUECTEL M95
SIM_GND
R7
E6
10uF
SIM_GND
C2
33pF
C9
33pF
R12
1K
Q4
BC846
R14
100K
PWRKEY
!PWRKEY
PWRKEY
!PWRKEY
!RI
!RI
RI
RI
R10
2K2
VDD_EXT
C15
33pF
C11
33pF
C13
33pF
C10
10pF
C14
10pF
C12
10pF
MIC-
AGND
MiC-
!STAT
STAT
STAT!STAT
R9
1K
!CTS
+5V
E7
10uF
R8
220K
R11
22K
Vgsm
C16
2.2uF
VDD_EXT
C1
2.2uF
6
2 3 4 5
SHDN GND VOUT
ADJ
1
VIN
GND
U4
MCP1826
R15
0R