STMicroelectronics STM32100B-EVAL, Руководство пользователя

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UM0891 Running the demonstration
Doc ID 16982 Rev 1 37/48
The value of IDD current in Stop mode is evaluated and displayed on LCD and the
demonstration keeps waiting until the joystick push-button is pressed. Once you press the
joystick push-button, the MCU exits the
I
DD
Stop Mode submenu and returns to the I
DD
Measure menu as shown in Figure 52 .
Note: When the STOP mode is entered, all GPIO are configured as analog inputs and the SRAM
and the Flash memory interface clocks are stopped.
If you select the I
DD
Sleep mode submenu, the message shown in Figure 55 is displayed.
Figure 55. I
DD
Sleep mode menu
The value of the IDD current in Sleep mode is evaluated and displayed on LCD and the
demonstration keeps waiting until the joystick push-button is pressed. Once the joystick
push-button has been pressed, the MCU exits the
I
DD
Sleep Mode submenu and returns to
the IDD Measure mode menu as shown in Figure 52 .
When the Sleep mode is entered, the SRAM and the Flash interface clocks are stopped.
Note: Make sure that the JP8 jumper is installed in the I
DD
position before running the I
DD
measurement demonstration.
2.7.7 Thermometer
The STM32F100VB microcontroller has two embedded I
2
C peripherals that can be
connected to any device supporting the I
2
C protocol including the system management bus
(SMBus) mode. An STLM75 (or a compatible device) I
2
C temperature sensor is mounted on
the STM32100B-EVAL board and used to get instantaneous external temperature (-55°C to
+125°C) .
When the Thermometer submenu is selected, the message shown in Figure 56 is
displayed on the LCD.
Sleep Mode
IDD: xxx,xxx mA
To exit press
Joystick