About rui CHU

rui CHU · 2017-03-14

Posted on March 14, 2017 at 12:31dear. Engineer sirWe are currently working on a project using the STM32F407ie UFBGA176 chip.After configuring the microcontroller on the PCB and checking the operation of the microcontroller, the external oscillator ...

rui CHU · 2017-03-15

Posted on March 16, 2017 at 06:13sorry i made mistake.I wanted to say that there is no internal oscillator.I have read the data sheet, but stm32 is bga type, so the pins are not shown on pcb board. So I can not do anything to BYPASS_REG and PDR_ON.T...

rui CHU · 2017-03-14

Posted on March 15, 2017 at 03:51thank you for your replybut stmf407IE has no external oscillator.So debugging port does not connect It seems that The hardware problem must be solved first.

User statistics

User Activity

STM32F407's Clock is not working

Re: STM32F407's Clock is not working

Re: STM32F407's Clock is not working