User's Manual

SIM7600G-H User manual
www.simcom.com
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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
I/O,PD
SDIO command
If unused, keep them
open.
SD_DATA0
22
I/O,PD
SDIO data
SD_DATA1
23
I/O,PD
SD_DATA2
24
I/O,PD
SD_DATA3
25
I/O,PD
SD_CLK
26
DO
SDIO clock
SD_DET
48
DI,PU
SD card insertion detect
H: SD card is removed
L: SD card is inserted
USIM interface
USIM_DATA
17
I/O,PU
USIM Card data I/O, which has
been pulled up via a 10KR
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,PD
USIM Reset
USIM_CLK
19
DO,PD
USIM clock
USIM_VDD
20
PO,PD
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
Default SPI
Optional: BT uart
function
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
USB_VBUS
11
AI
Valid USB detection input with
3.0~5.25V detection voltage
USB_DN
12
AI, AO
Negative line of the differential,
bi-directional USB signal.
USB_DP
13
AI, AO
Positive line of the differential,
bi-directional USB signal.
USB_ID
16
AI
High-speed USB ID input
Keep it open.
SGMII interface
SGMII_RX_P
112
AI
SGMII receive – positive
If unused, keep them
open.
SGMII_RX_M
113
AI
SGMII receive - negative
SGMII_TX_M
114
AO
SGMII transmit - negative