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Pzhu.1
Associate II
since ‎2020-09-15
‎2023-06-14

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User Activity

ADC of STM32F401RC sometimes do not work

2021-08-27
Hi,I configure the ADC as the following code; but sometimes(not everytime) the code will run to Line 70 : "Beer_Out_Dis(1);" ,and ADC will not work.Did I do something wrong? Thanks verymuch./* ADC1 init function */ static void MX_ADC1_Init(void) {   ...

Data in the RAM of STM32

2021-04-26
I use IAR to program STM32，the map file shows that ：the RAM is divided to​ 1.data Section；2.CSTACK and HEAP section；3.bss section；4.Unassigned part of the RAM。What I want to know is ​that:The Unassigned part of the RAM is used to do what? Because I w...

BRR of STM32F401RCT6 changed when hot swapping

2020-11-11
When the USART is  hot swapping，some datas will occur on TX RX pin；and the value of BRR register will be changed;the picture 1 shows the BRR before  hot swapping;and the picture 2 shows the BRR after  hot swapping. Why this question happens?And what...

Can not write data in flash of STM32G030C8T6

2020-10-21
This is my code;it when run to the code in the picture, the MCU will deadvoid Flash_Test(void){  U32  Write_Addr = FLASH_USER_START_ADDR; //FLASH_USER_START_ADDR=((uint32_t)0x0800E000)  uint64_t data64=0x1234567812345678;  EraseInitStruct.TypeErase ...

The reset value of GPIOB register of STM32F401RCT6

2020-09-15
When I simulate STM32401RCT6 with IAR，the MCU is on reset state；IAR shows the value of GPIOB register ：ODR=0x00000280；but refer to the reference manual ，the reset value of GPIOx_ODR=0x00000000.Did I do something wrong when simulated?Thanks very much...
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