User's Manual

Smart Machine Smart Decision
SIM7600NA-H_user manual _V1.00 18 2020-1-7
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.
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
SDIO_DATA2 28 I/O SDIO data2
SDIO_CMD 29 I/O SDIO command