About pramuka

pramuka · 2017-12-13

Posted on December 14, 2017 at 04:10Hi -We are trying to integration TRF7960 with our custom hardware which has STM32F407 processor (via SPI). As per errata 1.1 on TRF7960, we need to switch the polarity of clock during write & read operation (Errat...

pramuka · 2014-10-23

Posted on October 23, 2014 at 16:37Hello All,We are using STM32F407VG & are having issues with bootloader via USART3 PC10/PC11. From the SW, we see that the processor is entering the bootloader mode.When 0x7F is send, the processor responds with ''0...

pramuka · 2017-12-22

Posted on December 22, 2017 at 20:46Hello - SPI bit banging is a good idea. As we use it for several peripherals, we could not implement it in given time frame. The solution was to de-initialize and then re-initialize. The process sounds time consum...

pramuka · 2014-10-23

Posted on October 23, 2014 at 23:33Hi Clive1,Thanks for your reply.We are connected to a PC (Widnows  comp port. On the STM32F4 side we are using TRS3223E. I have attached the circuit diagram as well for reference. Thanks!

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TRF7960 STM32F407 SPI communication issue

STM32F407VG Bootloader via USART3

Re: TRF7960 STM32F407 SPI communication issue

Re: STM32F407VG Bootloader via USART3