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adding battery page and update the fp, i2c, m2, uext

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nurix87 2020-03-13 15:22:39 +07:00
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docs/helios64/uext.md
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@ -47,13 +47,18 @@ Make sure your device is correctly oriented before connecting!
### SPI and I2C
---linked to SPI and I2C pages, TBU---
The implementation of SPI and I2C in the UEXT connector is follow similar convention in the Helios64 board. Please reffer to this page:
- [SPI](/helios64/hardware/)
- [I2C](/helios64/I2C/)
---**TBU**---
### Exception
We have connected the UART bus from the RK3399K to the serial console in the USB-C, so there is no dedicated line of UART in the UEXT connector.
We have connected the UART bus from the RK3399 to the serial console in the USB-C, so there is no dedicated line of UART in the UEXT connector.
The UART bus in this UEXT header is the parallel ones with the serial console.
Therefore if you connect some module which might ***require dedicated serial UART line*** to the RK3399K, this module ***will not be detected***.
Therefore if you connect some module which might ***require dedicated serial UART line*** to the RK3399, this module ***will not function as expected***.
!!! Notes
Please note also, that GPS modules in UEXT format also will not work due to similar reason.