STR912FAW46X6 datasheet by STMicroelectronics

STR912FAW46X6 Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that can be used with the internal oscillator?
  The maximum clock frequency that can be used with the internal oscillator is 32 MHz.
• How do I configure the watchdog timer?
  The watchdog timer can be configured using the WWDG_CR register. You need to set the WWDG_CR_WDGA bit to enable the watchdog timer and set the WWDG_CR_T bit to set the timeout period.
• What is the purpose of the BOR (Brown-Out Reset) circuit?
  The BOR circuit is used to reset the microcontroller when the supply voltage falls below a certain threshold (typically 1.9V). This helps to prevent the microcontroller from operating erratically or unpredictably during power-on or power-down sequences.
• How do I use the ADC (Analog-to-Digital Converter) module?
  The ADC module can be used to convert analog signals to digital values. You need to configure the ADC channel, set the ADC clock, and start the conversion using the ADC_CR2 register. The converted value can be read from the ADC_DR register.
• What is the purpose of the JTAG interface?
  The JTAG (Joint Test Action Group) interface is used for debugging and testing the microcontroller. It allows you to connect a debugger or emulator to the microcontroller and perform tasks such as single-stepping, breakpoints, and memory inspection.