User's Manual

Smart Machine Smart Decision
SIM7600SA-H_User Manual_V1.00 2017-10-11
VDD_1V8
15
PO
1.8V SMPS output with Max
50mA current output for
external circuit, such as level
shift circuit.
If unused, keep it
open.
GND
1,2,5,
10,14,37
,40,41,4
3,57,58,
60,61,64
,65,77,7
8,80,81
Ground
System Control
PWRKEY
3
DI,PU
System power on/off control
input, active low.
The high voltage is
0.8V;
RESET
4
DI, PU
System reset control input,
active low.
RESET has been
pulled up to 1.8V via
40Kohm resistor
internally.
SD interface
SD_CMD
21
DO
SDIO command
If unused, keep them
open.
SD_DATA0
22
I/O
SDIO data
SD_DATA1
23
I/O
SD_DATA2
24
I/O
SD_DATA3
25
I/O
SD_CLK
26
DO
SDIO clock
USIM interface
USIM_DATA
17
I/O,PU
USIM Card data I/O, which has
been pulled up via a 100KR
resistor to USIM_VDD
internally. Do not pull it up or
down externally.
All lines of USIM
interface should be
protected against
ESD.
USIM_RST
18
DO
USIM Reset
USIM_CLK
19
DO
USIM clock
USIM_VDD
20
PO
Power output for USIM card,
its output Voltage depends on
USIM card type automatically.
Its output current is up to
50mA.
SPI interface
SPI_CLK
6
DO
SPI clock output
Only support SPI
master mode.
If unused, please keep
them open.
SPI_MISO
7
DI
SPI master in/slave out data
SPI_MOSI
8
DO
SPI master out/slave in data
SPI_CS
9
DO
SPI chip-select output
USB