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ATSAM4S-XPLD
855
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
38.5
Product Dependencies
38.5.1 I/O Lines
The pins used for interfacing the PWM are multiplexed with PIO lines. The programmer must first program the PIO
controller to assign the desired PWM pins to their peripheral function. If I/O lines of the PWM are not used by the
application, they can be used for other purposes by the PIO controller.
controller to assign the desired PWM pins to their peripheral function. If I/O lines of the PWM are not used by the
application, they can be used for other purposes by the PIO controller.
All of the PWM outputs may or may not be enabled. If an application requires only four channels, then only four PIO lines
will be assigned to PWM outputs.
will be assigned to PWM outputs.
Table 38-2. I/O Lines
Instance
Signal
I/O Line
Peripheral
PWM
PWMFI0
PA9
C
PWM
PWMH0
PA0
A
PWM
PWMH0
PA11
B
PWM
PWMH0
PA23
B
PWM
PWMH0
PB0
A
PWM
PWMH0
PC18
B
PWM
PWMH1
PA1
A
PWM
PWMH1
PA12
B
PWM
PWMH1
PA24
B
PWM
PWMH1
PB1
A
PWM
PWMH1
PC19
B
PWM
PWMH2
PA2
A
PWM
PWMH2
PA13
B
PWM
PWMH2
PA25
B
PWM
PWMH2
PB4
B
PWM
PWMH2
PC20
B
PWM
PWMH3
PA7
B
PWM
PWMH3
PA14
B
PWM
PWMH3
PA17
C
PWM
PWMH3
PB14
B
PWM
PWMH3
PC21
B
PWM
PWML0
PA19
B
PWM
PWML0
PB5
B
PWM
PWML0
PC0
B
PWM
PWML0
PC13
B
PWM
PWML1
PA20
B
PWM
PWML1
PB12
A
PWM
PWML1
PC1
B
PWM
PWML1
PC15
B
PWM
PWML2
PA16
C