Sunsea AIoT SIMCom SIM7600NA User Manual page 17

0,131,13
2,133,13
4135
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
SD_DET 48
USIM interface
USIM_DATA 17
USIM_RST 18
USIM_CLK 19
USIM_VDD 20
SPI interface
SPI_CLK* 6
SPI_MISO* 7
SPI_MOSI* 8
SPI_CS* 9
USB
USB_VBUS 11
USB_DN 12
SIM7600NA_user manual _V1.00
System power on/off control
DI,PU
input, active low.
System reset control input,
DI, PU
active low.
I/O,PD SDIO command
I/O,PD
I/O,PD
SDIO data
I/O,PD
I/O,PD
DO SDIO clock
SD card insertion detect
DI,PU H: SD card is removed
L: SD card is inserted
USIM Card data I/O, which has
been pulled up via a 10KR
I/O,PU resistor to USIM_VDD
internally. Do not pull it up or
down externally.
DO,PD USIM Reset
DO,PD USIM clock
Power output for USIM card, its
output Voltage depends on
PO,PD
USIM card type automatically.
Its output current is up to 50mA.
DO SPI clock output
DI SPI master in/slave out data
DO SPI master out/slave in data
DO SPI chip-select output
Valid USB detection input with
AI
3.0~5.25V detection voltage
Negative line of the differential,
AI, AO
bi-directional USB signal.
17
Smart Machine Smart Decision
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.
Default SPI
Optional: BT uart
function
2020-1-7