Atmel SAM4L-EK Atmel ATSAM4L-EK ATSAM4L-EK Data Sheet
Product codes
ATSAM4L-EK
970
42023E–SAM–07/2013
ATSAM4L8/L4/L2
37.3
Block Diagram
Figure 37-1. ACIFC Block Diagram
37.4
I/O Lines Description
..
.
TRIGGER
PERUIPHERAL
EVENTS
IRQ
Peripheral Bus
ACIFC
Analog
Comparators
PERIPHERAL
EVENT
GENERATION
-
+
AC0
INN
INP
AC0_INSELN
-
+
AC1
INN
INP
AC1_INSELN
INTERRUPT
GENERATION
CLK_ACIFC
ACTEST
ACTEST1
ACTEST0
ACAN0
ACAP0
ACBP0
ACBN0
ACOUT0
ACOUT1
AC0_HYS
AC0_FAST
AC1_HYS
AC1_FAST
Table 37-1.
I/O Line Description
Pin Name
Pin Description
Type
ACAPx
Positive reference pin for Analog Comparator x
Analog
ACANx
Negative reference pin for Analog Comparator x
Analog
ACBPx
Positive reference pin for Analog Comparator x
Analog
ACBNx
Negative reference pin for Analog Comparator x
Analog
Table 37-2.
Pin Mapping
Channel
Pins (Normal Mode)
Window pair
Pins (Window Mode)
0
ACAP0, ACAN0
0
ACAP0, ACBN0
1
ACBP0, ACBN0
2
ACAP1, ACAN1
1
ACAP1, ACBN1
3
ACBP1, ACBN1