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LE910Cx HW User Guide
Figure 17: 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
14. Signal names and directions are named and defined from the DTE point of view.
Figure 18: 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
1VV0301298 Rev. 33
Page 73 of 128
Not Subject to NDA
2021-06-29
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