User's Manual

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Product Technical Specifications
Normal Internal Use Confidential Restricted Confidential
3.3. I/O Interface
I/O type description:
AO : Analog Output
AI : Analog Input
DO : Digital Output
DI : Digital Input
Table 4. Pin interface family
Interface Family
Signal
Description
I/O
RF Interfaces
RF_GNSS
Reserved for GNSS
receiver
AI
RF_1
Main Antenna
AI/AO
User Identity Module
UIM_VCC
Power source for UIM
AO
UIM_DATA
Data in/out
DI/DO
UIM_CLK
Clock signal
DO
UIM_RESET
Reset signal
DO
UIM_DETECT
UIM Detect signal
DI/DO
Data Interfaces- USB 2.0
USB_HS_DP
USB Data Positive
DI/DO
USB Detect
USB Detect
DI
USB_HS_DM
USB Data Negative
DI/DO
Data Interfaces- UART1
UART1_CTS_N
Clear To Send for UART 1
DI
UART1_RFR_N
Ready for receive for
UART1
DO
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/ SPI
I2C_SDA
Data in/out
DI/DO