
20
32117DS–AVR-01/12
AT32UC3C
ADCVREFN
Analog negative reference connected to
external capacitor
Analog
Auxiliary Port - AUX
MCKO
Trace Data Output Clock
Output
MDO[5:0]
Trace Data Output
Output
MSEO[1:0]
Trace Frame Control
Output
EVTI_N
Event In
Output
Low
EVTO_N
Event Out
Output
Low
aWire - AW
DATA
aWire data
I/O
DATAOUT
aWire data output for 2-pin mode
I/O
Controller Area Network Interface - CANIF
RXLINE[1:0]
CAN channel rxline
I/O
TXLINE[1:0]
CAN channel txline
I/O
DAC Interface - DACIFB0/1
DAC0A, DAC0B
DAC0 output pins of S/H A
Analog
DAC1A, DAC1B
DAC output pins of S/H B
Analog
DACREF
Analog reference voltage input
Analog
External Bus Interface - EBI
ADDR[23:0]
Address Bus
Output
CAS
Column Signal
Output
Low
DATA[15:0]
Data Bus
I/O
NCS[3:0]
Chip Select
Output
Low
NRD
Read Signal
Output
Low
NWAIT
External Wait Signal
Input
Low
NWE0
Write Enable 0
Output
Low
NWE1
Write Enable 1
Output
Low
RAS
Row Signal
Output
Low
SDA10
SDRAM Address 10 Line
Output
Table 3-7.
Signal Description List
Signal Name
Function
Type
Active
Level
Comments