DocID023944 Rev 4

31/34

AN4206

Reference design

33

Figure 13. STM32F30x microcontroller reference schematic

1.

On STM32F30x, if no external battery is used in the application and in STM32F3x8 in all cases, it is

2.

On STM32F3x8, GPIO port PB2 is replaced by the NPOR function.