15
32142DS–06/2013
ATUC64/128/256L3/4U
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
Audio Bitstream DAC - ABDACB
CLK D/A Clock out Output
DAC1 - DAC0 D/A Bitstream out Output
DACN1 - DACN0 D/A Inverted bitstream out Output
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
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
DIS Discharge current control Analog
SMP SMP signal Output
SYNC Synchronize signal Input
VDIVEN Voltage divider enable Output
External Interrupt Controller - EIC
NMI (EXTINT0) 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
Inter-IC Sound (I2S) Controller - IISC
