User manual

AVR32907

32137A-AVR-10/10

Figure 2-1. Possible power input interfaces on the AT32UC3C-EK

2.2 Connecting the CAN interface

The Atmel AT32UC3C-EK offers two CAN interfaces to connect the board to external

CAN networks:

1. DB9 connector CAN Node 1

2. DB9 connector CAN Node 2

Table 2-1. CAN connector DB9 pin-out

Pin # Signal Names Signal Description

1 Reserved

2 CAN_L Dominant Low

3 CAN_GND Ground

4 Reserved

5 CAN_SHLD Shield, optional

6 GND Ground

7 CAN_H Dominant High

8 Reserved

9 CAN_V+ Power, optional

(J1) Power Supply Jack

(J21) USB User

(J27) USB VCP

(J2) Power Supply 2-pin header