Hi I'm using STM32F411RET6 MCU.
I tried to connect using the programmer to download the firmware, but there was an error as shown below, and the data cannot be read.
13:18:34 : UR connection mode is defined with the HWrst reset mode
13:18:34 : ST-LINK SN : 54FF71067880565211170167
13:18:34 : ST-LINK FW : V2J45S7
13:18:34 : Board : --
13:18:34 : Voltage : 3.22V
13:18:34 : SWD freq : 4000 KHz
13:18:34 : Connect mode: Normal
13:18:34 : Reset mode : Software reset
13:18:34 : Device ID : 0x431
13:18:34 : Revision ID : Rev A
13:18:34 : Debug in Low Power mode is not supported for this device.
13:18:34 : UPLOADING OPTION BYTES DATA ...
13:18:34 : Bank : 0x00
13:18:34 : Address : 0x40023c14
13:18:34 : Size : 8 Bytes
13:18:34 : UPLOADING ...
13:18:34 : Size : 1024 Bytes
13:18:34 : Address : 0x8000000
13:18:34 : Read progress:
13:18:34 : Error: Data read failed
After that, the firmware will not be downloaded, and the message core is locked up.
I checked that it was a problem related to RDP, and it was set to FF.
RDP cannot be set to another level.
How do you solve this problem?
