Circuit


The 3D visualasation of the DAB Shield Board shows the Arduino Pin connections.


 5v IOREFGND
 01
 2 3 4 5 6 7 8 9 10 11 12 13 A0A1
A2 A3A4
A5
 5v IOREFGnd
 Rx Tx INT    PWREN RST CS   MOSI MISOSCLK
      

 Pin Use Descirption
5v    
5v
 Used to power the DAB Shied (other voltage are derived from this)
IOREF   
IOREF
 Logic Level Voltage Reference (SPI Level)
Gnd  
Gnd
 Ground Voltage Level
   
 D0 Rx Serial Data to the Arduino - Used to send control messages to the Host from the USB to TTL interface
 D1 Tx Serial Data from the Arduino - Used to receive messages from the Host using the USB to TTL interface
 D2 INT Interupt Line - Used to signal the Host that the DAB Shield has new information.
 D6     PWREN    Power Supply Enable (active high)
 D7
 RST Chip Reset (active low)   
 D8 CS SPI Chip Select - Used to enable the DAB Shield for SPI communications
   
 D11 MOSI SPI Master Output from Host to DAB Shield - Used to send messages
 D12 MISO SPI Master Input to Host from DAB Shield - Used to receive data
 D13 SCL SPI Clock - Master Clock from Host