User's Manual

SIM7600G User manual
www.simcom.com
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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
SGMII_TX_P
115
AO
SGMII transmit– positive
SGMII_RST_N
108
DO
Ethernet PHY reset
External 1.5K pull-up
resistor from
3.3V/2.5V to
MDIO_DATA and
10K pull-up resistor
from VDD_1V8 to
ETH_INT_N are
needed when the
Ethernet PHY is
connected.
SGMII_INT_N
109
DI,PU
Ethernet PHY interrupt
SGMII_MDIO
116
DIO
Management data
input/output-data
SGMII_MDC
117
DO
Management data
input/output-clock