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Update related to H64 rev1.2

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Gauthier Provost 2020-05-13 17:27:14 +08:00
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6
docs/helios64/uext.md
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@ -37,7 +37,7 @@ Refer to the respective pages directly:
## RS232 (UART)
The UART bus exposed on the UEXT header is the same than the RK3399 SoC serial console exposed on the USB Type-C. There is no dedicated UART bus on the UEXT connector. The intention is to allow user to connect to SoC serial console by another way than the USB-to-Serial bridge.
The UART exposed on the UEXT header is UART Controller 0 from the RK3399 SoC. The primary purpose of this UART is to provide serial communication between SoC and Device connected to the UEXT port.
!!! Important
If you connect some modules which might require dedicated serial UART line to the SoC, this module will not operate properly.
!!! Note
If you are looking for SoC serial console you should refer to [USB-C Console Mode](/helios64/usb/#serial-console).