SimCom SIM800L User Manual

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SIM800L(MT6261)_Hardware Design_V1.01 17 2016-07-07
NETLIGHT 64 O Network status
S TAT U S 4 O Power on status
Serial port
DTR 69 I Data terminal ready
If these pins are unused,
keep open.
RI 68 O Ring indicator
DCD
70
O
Data carrier detect
CTS 34 O Request to send
RTS 33 I Clear to send
TXD 32 O Transmit data
RXD 31 I Receive data
Debug interface
VBUS
7
I
Debug and download
If these pins are unused,
keep open.
USB_DP 59 I/O
USB_DN 19 I/O
ADC
ADC 50 I
10bit
general analog to digital
converter
If these pins are unused,
keep open.
PWM
PWM 26 O Pulse-width modulation
If these pins are unused,
keep open.
I2C
SDA
75
I/O
Open drain output
If these pins are unused,
keep open.
SCL
74
O
Open drain output
SIM card interface
SIM_VDD 16 O
Voltage supply for SIM card.
Support 1.8V or 3V SIM card
All signals of SIM interface
should be protected against
ESD with a TVS diode
array.
SIM _ D ATA
14
I/O
SIM data input/output
SIM_CLK 55 O SIM clock
SIM_RST 15 O SIM reset
SIM_DET 54 I SIM card detection
If these pins are unused,
keep open.
Antenna interface
GSM_ANT
40
I/O
Connect GSM antenna
FM_ANT 17 I Antenna for FM
Synchronizing signal of RF
RF_SYNC 5 O Synchronizing signal of RF
Other
RESET 49 I Reset input(Active low)
ISINK1 46 I Drive keypad backlight
ISINK0 47 I Drive LCD backlight
NC
36、57
- Unconnected KEEP OPEN
SIMCOM CONFIDENTIAL FILE

SimCom SIM800L Specifications

General

Brand	SimCom
Model	SIM800L
Category	Recording Equipment
Language	English