User's Manual

SIM7600G-H User manual
www.simcom.com
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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.
If unused, please
keep them open.
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
UART interface
RTS
66
DOH
Request to send
If unused, keep them
open.
CTS
67
DI
Clear to Send
RXD
68
DI
Receive Data
RI
69
DOH
Ring Indicator
DCD
70
DOH
Carrier detects
TXD
71
DOH
Transmit Data
DTR
72
DI,PU
DTE get ready
DBG_UART
DBG_TXD
42
DO
Log output
If unused, keep them
open.
DBG_RXD
106
DI
Log input
I2C interface
SCL
55
OD
I2C clock output
If unused, keep
open, or else pull
them up via 2.2KΩ
resistors to 1.8V.
SDA
56
OD
I2C data input/output
SDIO interface
SDIO_DATA1
27
I/O
SDIO data1
It can be used for
WLAN function.
If unused, please
keep them open.
SDIO_DATA2
28
I/O
SDIO data2
SDIO_CMD
29
I/O
SDIO command
SDIO_DATA0
30
I/O
SDIO data0
SDIO_DATA3
31
I/O
SDIO data3
SDIO_CLK
32
DO
SDIO clock
HSIC interface
HSIC_STROBE
35
I/O
HSIC strobe wakeup
If use, please refer
to document [27]
Otherwise please
keep them open.
HSIC_DATA
36
I/O
HSIC data
PCM interface
PCM_OUT
73
DO,PD
PCM data output.
If unused, please
keep them open.
PCM_IN
74
DI,PD
PCM data input.
PCM_SYNC
75
I/O,PD
PCM data frame sync signal.