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Main Menu > Settings Menu
5.2.4 Voice Recorder
The voice recorder allows users to record speech into the MSP430F5438 flash memory. Due to the large
size of the flash (256 KB), users can store up to ~20 seconds of speech audio.
• To record, press S1 and speak in normal voice into the microphone located in the bottom left of the
Experimenter Board. The user can record for the entire length allowed by the flash size or stop the
recording any time by pressing S2.
• To playback, press S2. Similarly to recording, the user can stop the playback anytime by pressing S1.
Press center on the joystick to return to the main menu.
5.2.5 PMM-MCLK
This application allows the user to experiment with different DCO frequency settings that the
MSP430F5438 supports. The MCLK options are listed on the right column and can be selected by
pressing S2.
For each setting, the user can measure V
MCLK/SMCLK test points, and the active mode current via the MSP430 power jumper JP1.
If the test equipment does not facilitate frequency measurement, the user can partially observe the
frequency by enabling the blinking of LED1. To turn LED1 on (blink) and off, press Left on the joystick.
Press Center on the joystick to return to the main menu.
5.3
Main Menu > Settings Menu
This option allows the user to modify various settings of digital components as well as calibrate analog
sensors available on board. Selecting Exit Option or Pressing S1 will return to main menu. All settings will
be stored into the memory upon exiting the setting menu screen.
In this screen, if there is no action from user within 10 seconds, the board will go into sleep mode. By
default, the board will return into active mode in the main menu if any button is pressed or the board is
tilted.
5.3.1 Set Time
This option allows the user to modify the current time by moving Up or Down to modify the time values
and moving Left or Right to select either Hour, Minute, or Second. Pressing Center or S1 will return to the
settings menu.
5.3.2 LCD Contrast
This option allows the user to modify the contrast of the LCD by pressing S1 to reduce the contrast and
pressing S2 to increase the contrast. Press Center on the joystick to return to the settings menu.
5.3.3 LCD Backlight
This option allows the user to modify the backlight of the LCD by pressing S1 to dim the backlight and
pressing S2 to brighten the backlight. Press Center on the joystick to return to the settings menu.
5.3.4 Temperature Settings
The user can select the conversion mode for the temperature display by pressing S1 to select Fahrenheit
and pressing S2 to select Celsius.
The user can also recalibrate the MSP430F5438 internal temperature sensor by using Up or Down to
modify the digits of the displayed temperature value. To select different digits, press Left or Right. Press
Center on the joystick to return to the settings menu.
24
Example Software – User Experience
at the VCORE test point, the DCO frequency at the
Core
SLAU263B – January 2009 – Revised August 2009
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