Atmel Evaluation Board AT32UC3C-EK AT32UC3C-EK Data Sheet

Product codes
AT32UC3C-EK
Page of 43
 
30 
AVR32919 
32151A-AVR-09/10 
Figure 4-17. Atmel AT32UC3C-EK Top View USB Virtual Com Port Interface 
Location 
 
4.7.2 UC3C-Specific Information 
4.7.2.1 AT32UC3C0512C pinout for the USB Virtual Com Port Interface block 
Table 4-24. UC3C pinout for the USB Virtual Com Port Interface block 
QFP144 
pin 
GPIO 
GPIO alternate function 
Feature 
78 
PC05 
USART2.RXD 
USART2 RX line 
77 PC04 
USART2.TXD 
USART2 
TX 
line 
4.7.3 Configuration & Test Points 
4.7.3.1 AT32UC3CB1256 Default Firmware Configuration 
The default firmware pre-loaded on the Atmel AT32UC3B1256 is dynamically 
configurable upon power-up: 
• The USB DFU Bootloader can be enabled by closing the J28 jumper; use 
flip/batchisp to read/write resources on the AT32UC3B1256 through the 
bootloader.  
Warning note: programming the AT32UC3B1256 will overwrite the default firmware. 
J31 
J27