Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet
Product codes
ATSAM4S-WPIR-RD
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
948
Figure 39-15. Comparison Waveform
39.6.4 PWM Event Lines
The PWM provides 2 independent event lines intended to trigger actions in other peripherals (in particular for ADC
(Analog-to-Digital Converter)).
A pulse (one cycle of the master clock (MCK)) is generated on an event line, when at least one of the selected
A pulse (one cycle of the master clock (MCK)) is generated on an event line, when at least one of the selected
comparisons is matching. The comparisons can be selected or unselected independently by the CSEL bits in the
(PWM_ELMRx for the Event Line x).
Figure 39-16. Event Line Block Diagram
CCNT0
CVUPD
0x6
0x2
CVMVUPD
CV
0x6
0x2
0x6
0x6
CVM
Comparison Update
CMPU
CTRUPD
0x1
0x2
CPR
0x1
0x3
0x0
0x1
0x0
0x1
0x0
0x1
0x2
0x3
0x0
0x1
0x2
0x3
CPRCNT
0x0
0x1
0x2
0x3
0x0
0x1
0x2
0x0
0x1
0x2
0x0
0x1
CUPRCNT
CPRUPD
0x1
0x3
CUPRUPD
0x3
0x2
CTR
0x1
0x2
CUPR
0x3
0x2
Comparison Match
CMPM
PULSE
GENERATOR
Event Line x
CSEL0 (PWM_ELMRx)
CMPM0 (PWM_ISR2)
CSEL1 (PWM_ELMRx)
CMPM1 (PWM_ISR2)
CSEL2 (PWM_ELMRx)
CMPM2 (PWM_ISR2)
CSEL7 (PWM_ELMRx)
CMPM7 (PWM_ISR2)