User manual
12
AVR32919
32151A-AVR-09/10
4.2 User Interface
The main User Interface block of the AT32UC3C-EK features all components
providing a HMI (visual (output) or tactile (input)) to the user.
4.2.1 Overview
Figure 4-5. Atmel AT32UC3C-EK User Interface Logical View
The main User Interface offered by the kit is the touch user interface consisting of the:
• 6x button sensors interfaced through the TWI interface of the Atmel
AT32UC3C0512C and a QVGA LCD display interfaced through the EBI interface of
the AT32UC3C0512C with touch screen interfaced through the ADCIFA interface
of the AT32UC3C0512C.
• 4x general purpose LEDs (labeled LED0, LED1, LED2, and LED3) connected to
the AT32UC3C0512C.
• The 2x push-button labeled PB0 and PB1 used as general purpose push-button.
• The push-buttons labeled RST used to generate an external reset to the
AT32UC3C0512C.
• An audio jack header is connected to one channel of the DACIFB IP of the
AT32UC3C0512C.
• A microphone and a potentiometer each connected to one channel of the ADCIFA
interface of the AT32UC3C0512C.
Note that there are other user interface components in the kit, these are related to:
• the USB Interface is presented in section 4.8 of this document,
• the Virtual Com Port Interface is presented in section 4.7 of this document.