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32099DS–06/2010
AT32UC3L016/32/64
3.3
Signal Descriptions
The following table gives details on signal name classified by peripheral.
Table 3-7.
Signal Descriptions List
Signal Name
Function
Type
Active
Level
Comments
Analog Comparator Interface - ACIFB
ACAN3 - ACAN0
Negative inputs for comparators "A"
Analog
ACAP3 - ACAP0
Positive inputs for comparators "A"
Analog
ACBN3 - ACBN0
Negative inputs for comparators "B"
Analog
ACBP3 - ACBP0
Positive inputs for comparators "B"
Analog
ACREFN
Common negative reference
Analog
ADC Interface - ADCIFB
AD8 - AD0
Analog Signal
Analog
ADP1 - ADP0
Drive Pin for resistive touch screen
Output
PRND
Pseudorandom output signal
Output
TRIGGER
External trigger
Input
aWire - AW
DATA
aWire data
I/O
DATAOUT
aWire data output for 2-pin mode
I/O
Capacitive Touch Module - CAT
CSA16 - CSA0
Capacitive Sense A
I/O
CSB16 - CSB0
Capacitive Sense B
I/O
SMP
SMP signal
Output
SYNC
Synchronize signal
Input
VDIVEN
Voltage divider enable
Output
External Interrupt Controller - EIC
NMI
Non-Maskable Interrupt
Input
EXTINT5 - EXTINT1
External interrupt
Input
Glue Logic Controller - GLOC
IN7 - IN0
Inputs to lookup tables
Input
OUT1 - OUT0
Outputs from lookup tables
Output
JTAG module - JTAG
TCK
Test Clock
Input
TDI
Test Data In
Input
TDO
Test Data Out
Output
TMS
Test Mode Select
Input
