KW40Z Uart Bootloader and I2C Bootloader

danieltseng — Thu, 31 Mar 2016 09:33:01 GMT

About KW40Z Bootloader, currently only available OTA Bootloader function.

Can you provide KW40Z I2C Bootloader function and UART Bootloader.

Customers need to have these two functions.

I want to use the previous IC (KL25) to change code, but it in the Code Warrier or KDS,

Currently KW40Z in IAR, to cross a different environment, the difference is too big,

I can not find a method to start.

Re: KW40Z Uart Bootloader and I2C Bootloader

Jorge_Gonzalez — Tue, 05 Apr 2016 23:44:26 GMT

Hello Daniel Tseng:

For UART bootloader, you might find the next document useful, the software package includes an IAR project:

Kinetis Bootloader to Update Multiple Devices in a Network - for Cortex-M0+

As for I2C, there is only available the application note AN4655 with the corresponding software package AN4655SW which includes an IAR project:

http://cache.nxp.com/files/microcontrollers/doc/app_note/AN4655.pdf

http://cache.nxp.com/files/microcontrollers/doc/app_note/AN4655SW.zip

Such I2C bootloader is actually a UART-to-I2C bridge to be used with the AN2295 UART bootloader PC tool:

http://cache.nxp.com/files/microcontrollers/doc/app_note/AN2295.pdf

http://cache.nxp.com/files/microcontrollers/doc/app_note/AN2295SW.zip

Best regards,
Jorge Gonzalez

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KW40Z Uart Bootloader and I2C Bootloader

Re: KW40Z Uart Bootloader and I2C Bootloader