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SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
Two independent event lines which can send up to 4 triggers on ADC within a period
One programmable Fault Input providing an asynchronous protection of outputs
Stepper motor control (2 Channels)
38.3
Block Diagram
Figure 38-1. Pulse Width Modulation Controller Block Diagram
38.4
I/O Lines Description
Each channel outputs two complementary external I/O lines. 
APB
ADC
Comparison
Units
Interrupt
Controller
Interrupt Generator
event line 0
event line 1
Events
Generator
event line x
Comparator
Clock
Selector
Counter
Channel 0
Duty-Cycle
Period
Update
APB
Interface
CLOCK
Generator
PIO
PMC
Dead-Time
Generator
Output
Override
Fault
Protection
PIO
Comparator
Dead-Time
Generator
Output
Override
Fault
Protection
Counter
Channel x
Duty-Cycle
Period
Update
Clock
Selector
Channel x
OCx
DTOHx
DTOLx
OOOHx
PWMHx
PWMLx
OOOLx
MUX
SY
N
C
x
PWM C
ontroller
MCK
Channel 0
OC0
DTOH0
DTOL0
OOOH0
PWMH0
PWML0
OOOL0
PWMHx
PWMLx
PWMH0
PWML0
PWMFI0
PWMFIx
Table 38-1. I/O Line Description
Name
Description
Type
PWMHx
PWM Waveform Output High for channel x
Output
PWMLx
PWM Waveform Output Low for channel x
Output
PWMFIx
PWM Fault Input x
Input