I have problem with bootloader on STM32G031. I am using pins PB6 and PB7 according to manual (AN2606), but no response at address 0x51 (I hope Slave 7-bit address: 0b1010001x means 0x51).I am getting into bootloader by rebooting and remapping SYSCFG_...

I succesfully use I2c slave mode on address 0x52 in my application.I can get into bootloader via software by rebooting and in early state remapping SYSCFG_MEMRM = 0x1.But in bootloader, I2C on pins PB6 and PB7 is not responding to address 0x51 - (stm...