User's Manual

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HW Design Guidelines
UART1_RX
Receive for UART 1
DI
UART1_TX
Transmit for UART 1
DO
Data Interfaces- UART2
UART2_RX
Receive for UART 2
DI
UART2_TX
Transmit for UART 2
DO
Data Interfaces- I2C/2nd_ SPI
I2C_SDA
Data in/out
DI/DO
2nd_SPI_EN_1
2nd_SPI chip select
DO
I2C_SCL
Clock signal
DO
2nd_SPI_CLK
2nd_SPI serial clock
DO
SPI_MOSI
2nd_SPI master out slave in
DO
NC
NC
-
SPI_MISO
2nd_SPI master in slave out
DI
Data Interfaces- SDC1/1st_SPI
SDC1_DATA_3
SDC1_DATA_3
DI/DO
1st_SPIM_MOSI
1st_SPI master out slave in
DO
SDC1_DATA_2
SDC1_DATA_2
DI/DO
1st_SPIM_MISO
1st_SPI master in slave out
DI
SDC1_DATA_1
SDC1_DATA_1
DI/DO
1st_SPIM_EN_1
1st_SPI chip select
DO
SDC1_DATA_0
SDC1_DATA_0
DI/DO
1st_SPIM_CLK
1st_SPI serial clock
DO
SDC1_CMD
SDC1_CMD
DI/DO
SDC1_CLK
SDC1_CLK
DO
Module Control and State Interfaces
WWAN_STATE
Wireless WAN Radio State
DO
POWER_ON
Power On the module
DI
WAKEUP_OUT
Module wakes up host
DO
WAKEUP_IN
Host wakes up module
DI
RESET
Reset the module
DI
Power and Ground
VREF
Voltage Reference Output
AO
VCC
Main Power
AI
GND
GND
AI
General Purpose
GPIO
Digital I/O
DI/DO