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

939

SAM4S Series [DATASHEET]

Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14

Figure 39-7.

Complementary Output Waveforms

39.6.2.5 Output Override

The two complementary outputs DTOHx and DTOLx of the dead-time generator can be forced to a value defined

by the software.

Figure 39-8.

Override Output Selection

The fields OSHx and OSLx in the

“PWM Output Selection Register”

(PWM_OS) allow the outputs of the dead-time

generator DTOHx and DTOLx to be overridden by the value defined in the fields OOVHx and OOVLx in the

“PWM

Output Override Value Register”

(PWM_OOV).

The set registers

“PWM Output Selection Set Register”

(PWM_OSS) and

“PWM Output Selection Set Update

(PWM_OSSUPD) enable the override of the outputs of a channel regardless of other channels. In the

same way, the clear registers

“PWM Output Selection Clear Register”

(PWM_OSC) and

“PWM Output Selection

Clear Update Register”

(PWM_OSCUPD) disable the override of the outputs of a channel regardless of other

channels.

DTHx

DTLx

output waveform OCx

CPOLx = 0

output waveform DTOHx

DTHIx = 0

output waveform DTOLx

DTLIx = 0

output waveform DTOHx

DTHIx = 1

output waveform DTOLx

DTLIx = 1

DTHx

DTLx

output waveform OCx

CPOLx = 1

output waveform DTOHx

DTHIx = 0

output waveform DTOLx

DTLIx = 0

output waveform DTOHx

DTHIx = 1

output waveform DTOLx

DTLIx = 1

DTOHx

OOVHx

OOOHx

OSHx

DTOLx

OOVLx

OOOLx

OSLx