LE910Cx Hardware Design Guide
1VV0301298 Rev.40 Page 111 of 149 2023-03-16
Not Subject to NDA
Users who use a UART interface only to communicate with the LE910Cx module
must arrange for a UART port in the host system to debug or upgrade the LE910Cx
when it is mounted.
11.5.1. Recovery Boot Mode
Emergency boot download mode is used in case of corrupted boot image has been flashed
into the device or in case all other recovery modes failed to work
The emergency download mode is triggered by WCI_RX signal (PAD M9). Asserting this
signal high (1.8V) during boot will force the system into Emergency download.
Note: The application board must support accessible test pads on
WCI_RX signal to enable the download recovery modes mentioned
above.
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