Figure 49. Stop Mode Entered Exit Exti; Figure 50. Mcu In The Stop Mode Exit Exti - ST STM32303C-EVAL User Manual

Running the demonstration

Figure 49. Stop mode entered exit EXTI

The MCU remains in the Stop mode until the KEY push-button is pressed and the message
shown in
Once the KEY push-button has been pressed, the MCU exits the Stop mode. The system
clock is then set to 72 MHz and the application resumes execution.

Figure 50. MCU in the Stop mode Exit EXTI

Note: If an RTC Alarm is generated while the MCU is in Stop mode and the message shown in
Figure 49
Stop mode), the RTC Alarm causes the MCU to exit Stop mode. The message shown in
Figure 51
42/65
Figure 50 is displayed on the LCD screen.
is displayed (which means that the KEY push-button needs to be pressed to exit
is then displayed.
Doc ID 023892 Rev 1
UM1590