UM1510 datasheet(39/69 Pages) STMICROELECTRONICS

39 / 69 page

UM1510

Running the demonstration

Doc ID 022713 Rev 1

39/69

Figure 45.

Enter Run LP Mode submenu

When the external rising edge is generated on PA0, the MCU exits the Run LP Mode, the

STM32L message is displayed on the LCD Glass and the message shown in Figure 46 is

displayed on the LCD screen.

Figure 46.

Run LP Mode display submenu

Once the joystick push-button has been pressed, the MCU exits the IDD RUN LP Mode

submenu and the message shown in Figure 41 is displayed on the LCD screen.

Note:

After executing the Run LP Mode submenu, if the RTC is OFF, you have to re-configure the

time, date and alarm (Refer to Calendar menu).

●

If the IDD SLEEP Mode submenu is selected, the SLEEP message is displayed on the

LCD Glass and the message shown in Figure 47 is displayed on the LCD screen. The

MCU enters in SLEEP mode and waits for the rising edge on PA0 (push-button) to exit

the SLEEP mode.

MCU in RUN LP Mode

from Flash memory

all peripherals OFF

Run at MSI 32KHz

all I/O in Analog

input and RTC OFF (ON)

RUN LP Mode

Press Joystick to

continue.

IDD: xxx,xxx uA

MCU in RUN LP Mode

Press Joystick to

continue.

IDD: xxx,xxx uA

STM32L LowPower Mode

from Flash memory

all peripherals OFF

Run at MSI 32KHz

all I/O in Analog

input and RTC OFF (ON)

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