Sunsea AIoT SIMCom SIM7600NA User Manual page 17

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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

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