SAM4L_14 Datasheet, PDF (31/176 Pages) ATMEL Corporation – Technology for Ultra-low Power Consumption

ATSAM4L8/L4/L2
3.3 Signals Description
The following table gives details on signal names classified by peripheral.
Table 3-8. Signal Descriptions List (Sheet 1 of 4)
Signal Name
Function
Type
Active
Level
Audio Bitstream DAC - ABDACB
CLK
D/A clock output
Output
DAC1 - DAC0
D/A bitstream outputs
Output
DACN1 - DACN0
D/A inverted bitstream outputs
Output
Analog Comparator Interface - ACIFC
ACAN1 - ACAN0
Analog Comparator A negative references Analog
ACAP1 - ACAP0
Analog Comparator A positive references Analog
ACBN1 - ACBN0
Analog Comparator B negative references Analog
ACBP1 - ACBP0
Analog Comparator B positive references Analog
ADC controller interface - ADCIFE
AD14 - AD0
Analog inputs
Analog
ADVREFP
Positive voltage reference
Analog
TRIGGER
External trigger
Input
Backup System Control Interface - BSCIF
XIN32
32 kHz Crystal Oscillator Input
Analog/
Digital
XOUT32
32 kHz Crystal Oscillator Output
Analog
Capacitive Touch Module B - CATB
DIS
Capacitive discharge line
Output
SENSE31 - SENSE0
Capacitive sense lines
I/O
DAC Controller - DACC
DAC external trigger
DAC external trigger
Input
DAC voltage output
DAC voltage output
Analog
Enhanced Debug Port For ARM Products - EDP
TCK/SWCLK
JTAG / SW Debug Clock
Input
TDI
JTAG Debug Data In
Input
TDO/TRACESWO
JTAG Debug Data Out / SW Trace Out
Output
TMS/SWDIO
JTAG Debug Mode Select / SW Data
I/O
External Interrupt Controller - EIC
EXTINT8 - EXTINT0
External interrupts
Input
Glue Logic Controller - GLOC
IN7 - IN0
Lookup Tables Inputs
Input
OUT1 - OUT0
Lookup Tables Outputs
Output
Comments
31
42023GS–SAM–03/2014