User Manual

Smart Machine Smart Decision
SIM7600A_User Manual_V1.01 2017-10-10
16
SPI_MOSI 8 DO
SPI master out/slave in data
If unused, please keep
them open.
SPI_CS 9 DO SPI chip-select output
USB
USB_VBUS 11 DI,PD
Valid USB detection input with
3.0~5.25V detection voltage
USB_DN 12 I/O
Negative line of the differential,
bi-directional USB signal.
USB_DP 13 I/O
Positive line of the differential,
bi-directional USB signal.
USB_ID 16 DI High-speed USB ID input
K
ee
p
it o
p
en.
UART interface
RTS 66 DOH Request to send
If unused, keep them
open.
CTS 67 DI,PU Clear to Send
RXD 68 DI,PU Receive Data
RI 69 DOH Ring Indicator
DCD 70 DOH Carrier detects
TXD 71 DOH Transmit Data
DTR 72 DI,PU DTE get ready
I2C interface
SCL 55 DO I2C clock output
If unused, keep open,
or else pull them up
via 4.7KΩ resistors to
1.8V.
SDA 56 I/O I2C data input/output
SDIO interface
SDIO_DATA1 27 I/O SDIO data1
For WLAN solution
SDIO_DATA2 28 I/O SDIO data2
SDIO_CMD 29 DO 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_STROB
E
35
DO
HSIC strobe wakeup
Reserved
HSIC_DATA 36
I/O
HSIC data
PCM interface
PCM_OUT 73 DO PCM data output.
If unused, please keep
them open.
PCM_IN 74 DI PCM data input.
PCM_SYNC 75 DO PCM data frame sync signal.
PCM_CLK 76 DO PCM data bit clock.
GPIO
NETLIGHT 51 DO
LED control output as network
status indication.
If unused, keep them
open.