SAM4L Datasheet, PDF (27/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/L2
Table 3-7. Signal Descriptions List (Sheet 2 of 4)
Signal Name
Function
Type
Active
Level
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
Inter-IC Sound (I2S) Controller - IISC
IMCK
I2S Master Clock
Output
ISCK
I2S Serial Clock
I/O
ISDI
I2S Serial Data In
Input
ISDO
I2S Serial Data Out
Output
IWS
I2S Word Select
I/O
LCD Controller - LCDCA
BIASL
Bias voltage (1/3 VLCD)
Analog
BIASH
Bias voltage (2/3 VLCD)
Analog
CAPH
High voltage end of flying capacitor
Analog
CAPL
Low voltage end of flying capacitor
Analog
COM3 - COM0
Common terminals
Analog
SEG39 - SEG0
Segment terminals
Analog
VLCD
Bias voltage
Analog
Parallel Capture - PARC
PCCK
Clock
Input
PCDATA7 - PCDATA0 Data lines
Input
Comments
27
42023C–SAM–02/2013