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C 8 0 5 1 F 4 11 - E K

6

Rev. 0.1

Figure 4. Demo Mode Menu Options

4.2.1. SET MHZ

In this menu option, the system clock speed can be set to one of a few different settings. When selected, the
following will appear in the lower section of the LCD:

3 MHZ

Use the UP and DOWN keys to cycle through the various system clock options. The available system clock
settings are 3, 6, 12, 24, and 50 MHz.

Press SELECT to change the SYSCLK and go back to the Demo mode display. Press MENU to go back to the
Demo mode display without changing the system clock.

4.2.2. SET VREG

In this menu option, the output voltage of the regulator can be set. When selected, the following will appear in the
lower section of the LCD:

2.5 VREG

Use the UP and DOWN keys to cycle between 2.1 and 2.5 V. Press SELECT to change the core voltage and go
back to the Demo mode display. Press MENU to go back to the Demo mode display without changing the core
voltage.

4.2.3. KEEP

Select KEEP to go back to Keepsake mode.

DEMO Mode

DEMO MENU Mode

SELECT

SELECT

UP/

DOWN

UP/

DOWN

UP/

DOWN

UP/

DOWN

Pressing MENU at 

any time will return 

the program to the 

Demo Mode

Returns to 

KEEPSAKE 

Mode

Changes core 

voltage and 

returns to 

DEMO Mode

SELECT

SELECT

SELECT

Changes 

SYSCLK and 

returns to 

DEMO Mode

KEEP

SET VREG

SET MHZ

3 MHZ

(UP/DOWN to cycle 

through system 

clock options)

2.5 VREG

(UP/DOWN to 

cycle through 

voltage options)

System Clock Speed / 

Core Voltage / 

Temperature

Time

MENU

Summary of Contents for C8051F411

Page 1: ...licon Laboratories IDE Power for the C8051F411 board can be supplied from the batteries or the USB connection Refer to 3 Evaluation Board Interface for more details 3 Evaluation Board Interface The user interface of the C8051F411 Evaluation Board includes an LCD and four push buttons There is also a USB port for debugging and downloading to the C8051F411 target device 3 1 LCD User Interface The C8...

Page 2: ...ry the internal oscillator and internal voltage regulator configuration The board is in Keepsake mode upon powerup 4 1 Keepsake Mode Upon powerup the evaluation board is in Keepsake mode see Figure 2 Keepsake mode can be used when the board is powered from the batteries or the USB bus In Keepsake mode the device displays the following information Time in the upper right hand corner of the LCD Date...

Page 3: ... the options Pressing the MENU button at any time will bring the display back to the default Keepsake display The menu options in Keepsake mode are as follows DEMO TIME DATE TEMP FAH CEL 12 24 HR Press the SELECT button to choose one of the menu options The menu options are summarized in Figure 3 KEEPSAKE Mode Temperature Date Time 24 hr DOWN Temperature Date Time 12 hr DOWN Temperature Date Time ...

Page 4: ...ATE Selecting this option allows the user to configure the date The lower section of the display will appear as Y 2000 TIME FAH CEL DEMO SELECT SELECT SELECT SELECT UP DOWN UP DOWN UP DOWN UP DOWN UP DOWN Sets Time and returns to KEEPSAKE Mode UP DOWN Pressing MENU at any time will return the program to the KEEPSAKE Mode Sets Date and returns to KEEPSAKE Mode Calibrates Temp and returns to KEEPSAK...

Page 5: ...or 24 hour format Use the UP and DOWN keys to move between 12 HOUR and 24 HOUR Press SELECT to change the display or press MENU to go back to Keepsake mode 4 2 Demo Mode To put the device in Demo mode use the Keepsake menu options as described in 4 1 1 DEMO Demo mode should only be used when the board is powered from the USB bus the red switch is in the right position In Demo mode the user can con...

Page 6: ...be set When selected the following will appear in the lower section of the LCD 2 5 VREG Use the UP and DOWN keys to cycle between 2 1 and 2 5 V Press SELECT to change the core voltage and go back to the Demo mode display Press MENU to go back to the Demo mode display without changing the core voltage 4 2 3 KEEP Select KEEP to go back to Keepsake mode DEMO Mode DEMO MENU Mode SELECT SELECT UP DOWN ...

Page 7: ...ocumentation Appnotes directory for additional information on using the Keil 8051 tools with the Silicon Laboratories IDE To build an absolute object file using the Silicon Laboratories IDE project manager you must first create a project A project consists of a set of files IDE configuration debug views and a target build configuration a list of files and tool configurations used as input to the a...

Page 8: ... debug interface Once all theselections are made click the OK button to close the window 3 Click the Connect button in the toolbar or select Debug Connect from the menu to connect to the device 4 Download the project to the target by clicking the Download Code button in the toolbar Note To enable automatic downloading if the program build is successful select Enable automatic con nect download aft...

Page 9: ...C8051F411 EK Rev 0 1 9 7 Schematics Figure 5 C8051F411 Evaluation Board Schematic 1 of 3 ...

Page 10: ...C8051F411 EK 10 Rev 0 1 Figure 6 C8051F411 Evaluation Board Schematic 2 of 3 ...

Page 11: ...C8051F411 EK Rev 0 1 11 Figure 7 C8051F411 Evaluation Board Schematic 3 of 3 ...

Page 12: ...or health which if it fails can be reasonably expected to result in significant personal injury or death Silicon Laboratories products are generally not intended for military applications Silicon Laboratories products shall under no circumstances be used in weapons of mass destruction including but not limited to nuclear biological or chemical weapons or missiles capable of delivering such weapons...

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