Sunsea AIoT SIMCom SIM7600NA User Manual page 18

USB_DP 13
USB_ID 16
SGMII interface
SGMII_RX_P 112
SGMII_RX_M 113
SGMII_TX_M 114
SGMII_TX_P 115
SGMII_RST_N 108
SGMII_INT_N 109
SGMII_MDIO 116
SGMII_MDC 117
UART interface
RTS 66
CTS 67
RXD 68
RI 69
DCD 70
TXD 71
DTR 72
DBG_UART
DBG_TXD 42
DBG_RXD 106
I2C interface
SCL 55
SDA 56
SDIO interface
SDIO_DATA1 27
SDIO_DATA2 28
SDIO_CMD 29
SIM7600NA_user manual _V1.00
Positive line of the differential,
AI, AO
bi-directional USB signal.
AI High-speed USB ID input
SGMII receive – positive
AI
SGMII receive - negative
AI
SGMII transmit - negative
AO
SGMII transmit– positive
AO
Ethernet PHY reset
DO
Ethernet PHY interrupt
DI,PU
Management data
DIO
input/output-data
Management data
DO
input/output-clock
DOH Request to send
DI Clear to Send
DI Receive Data
DOH Ring Indicator
DOH Carrier detects
DOH Transmit Data
DI,PU DTE get ready
DO Log output
DI Log input
OD I2C clock output
OD I2C data input/output
I/O SDIO data1
I/O SDIO data2
I/O SDIO command
18
Smart Machine Smart Decision
Keep it open.
If unused, keep
them open.
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.
If unused, keep
them open.
If unused, keep
them open.
If unused, keep
open, or else pull
them up via 2.2KΩ
resistors to 1.8V.
It can be used for
WLAN function.
If unused, please
2020-1-7