Telit Wireless Solutions LE910C1-NS - Peripheral Ports; SPI - Serial Peripheral Interface

LE910Cx Hardware Design Guide
1VV0301298 Rev.40 Page 76 of 149 2023-03-16
Not Subject to NDA
Figure 16: RS232 Level Adaption Circuitry Example
Note: In this case, the length of the lines on the application must be
taken into account to avoid problems in the case of high-speed rates
on RS232.
The RS232 serial port lines are usually connected to a DB9 connector as shown in Figure
17. Signal names and directions are named and defined from the DTE point of view.
Figure 17: RS232 Serial Port Lines Connection Layout
Peripheral Ports
In addition to the LE910Cx serial ports, the LE910Cx supports the following peripheral
ports:
 SPI – Serial Peripheral Interface
 I2C - Inter-integrated circuit
 SD/MMC Card Interface
 SDIO Interface
8.5.1. SPI – Serial Peripheral Interface
The LE910Cx SPI supports the following:
 Master Mode only