Package Information; Pin Out Diagram; Pin Description - SimCom SIM800L Hardware Design

3. Package Information

3.1. Pin Out Diagram

42 41
GSM_
GND
VBAT
1
GND
VBAT
GND
43
2
GND
GND
44
3
GND
GPIO1
45
STA
4
ISINK1
TUS
46
RF_
5
ISINK0
SYNC
47
PWR
6
GND
KEY
48
7
VBUS RESET
49
8
GND ADC
50
9
MIC2P SPK2P
51
MIC SPK
2N 2N
10 11

3.2. Pin Description

Table 5: Pin description
Pin name Pin number
Power supply
VBAT 1,42
VRTC 56
SIM800L(MT6261)_Hardware Design_V1.01
40 39 38 37
GND GND GND
ANT
SDA
SCL
GND
75 74 73
76
77 86
GND GND
GND
78 87
GND GND
USB_DP
79
80
GND GND
GND
SIM_
MIC SPK SIM_
CLK
1P 1P DET
52 53 54 55
MIC SPK SIM_ SIM_
1N 1N DATA RST
12 13 14 15
Figure 2: Pin assignment (Top view)
I/O Description
I Power supply
I/O Power supply for RTC
36 35 34 33
GND CTS
NC RTS
GND GND DCD DTR
72 71 69
70
85 84
GND GND
88 83
GND GND
81
82
GND
GND
USB_
NC
GND
VRTC
DP
59
56 57 58
FM_ USB_
SIM_
VDD_
ANTP DN
VDD EXT
17
16 18 19
15
Smart Machine Smart Decision
32 31
RXD
TXD
PCM_
30
RI
OUT
68
PCM_
29
GND
CLK
67
PCM_
28
GPIO3
IN
66
PCM_
27
GPIO2
SYNC
65
NETLI
26
PWM
GHT
64
25
KBR4 KBC1
63
24
KBR0 KBC4
62
23
KBR2 KBR3
61
22
KBR1
KBC2
60
KBC0
KBC3
20 21
Comment
It is recommended to
connect with a battery or a
2016-07-07