UM-BlueBoard Base
Page | 9
VGA connector
Test setup:
Connect the VGA connector on board (J17) to the computer monitor. A default image
will appear. This confirms the working of VGA interface. Please note that to test the VGA interface
the user has to power cycle the BlueBoard or reset it. The VGA is active only for few seconds.
JTAG connector
Test setup:
To enable debugging on the board connect jumper to J11 and connect the JTAG to debug
port. We have successfully tested the BlueBoard with JTAG interface using a Wiggler Clone JTAG. To
test this feature you need to have the necessary software support on your PC.
User Interface Switch
Test setup:
The Switch SW1 is connected to one of the external interrupt lines of LPC. To test this
interface simply press the switch and you should hear the beep sound on the buzzer. This confirms
that both the interrupt line and the buzzer module are working fine. Please ensure that you have
connected the buzzer jumper appropriately.
Buzzer
Test setup:
Connect jumper to J23, when the board is turned on or RESET you will hear a beep after
few seconds. This is how the user can confirm the status of the Buzzer.
SD/MMC connector
Test setup:
Insert a SD card in the SD card holder (J24), the status of the SD card will be displayed
on LCD upon power cycle or reset of the BlueBoard. If the SD card is inserted properly “SD card –
OK” is displayed on LCD else it displays “SD card
-
Not OK”. During manufacturin
g the board is tested
with Kingston’s 1GB SD card.
Note: The SD/MMC card being tested should be formatted with FAT file system (Not FAT32 or NTFS
format).
Audio jack
Test setup:
Connect a headset to the audio jack connector. You should hear a ding sound being
played. The sound is heard only for few seconds after power ON or RESET.
PS/2 keyboard
Test setup:
To enable PS/2 connect jumper to J15. Connect a PS/2 keyboard to this connector. Now
press any key on the keyboard. The user can see which key he/she has pressed on the LCD.