SimCom SIM7600V-H User Manual page 15

VDD_1V8 15
1,2,5,
10,14,37
,40,41,4
GND 3,57,58,
60,61,64
,65,77,7
8,80,81
System Control
PWRKEY 3
RESET 4
SD interface
SD_CMD 21
SD_DATA0 22
SD_DATA1 23
SD_DATA2 24
SD_DATA3 25
SD_CLK 26
USIM interface
USIM_DATA 17
USIM_RST 18
USIM_CLK 19
USIM_VDD 20
SPI interface
SPI_CLK 6
SPI_MISO 7
SIM7600V-H_User Manual_V1.00
（The voltage can be
configured to 2.8V by AT
command）.
1.8V SMPS output with Max
50mA current output for
PO
external circuit, such as level
shift circuit.
Ground
System power on/off control
DI,PU
input, active low.
System reset control input,
DI, PU
active low.
DO SDIO command
I/O
I/O
SDIO data
I/O
I/O
DO SDIO clock
USIM Card data I/O, which has
been pulled up via a 100KR
resistor to USIM_VDD
I/O,PU
internally. Do not pull it up or
down externally.
DO USIM Reset
DO USIM clock
Power output for USIM card,
its output Voltage depends on
PO USIM card type automatically.
Its output current is up to
50mA.
DO SPI clock output
DI SPI master in/slave out data
Smart Machine Smart Decision
If unused, keep it
open.
The high voltage is
0.8V;
RESET has been
pulled up to 1.8V via
40Kohm resistor
internally.
If unused, keep them
open.
All lines of USIM
interface should be
protected against
ESD.
Only support SPI
master mode.
15
2018-02-24