ATSAM3S2BA-MU datasheet(49/64 Pages) ATMEL

49 / 64 page

6500CS–ATARM–24-Jan-11

SAM3S Summary

– Interval Measurement

– Pulse Generation

–Delay Timing

– Pulse Width Modulation

– Up/down Capabilities

• Each channel is user-configurable and contains:

– Three external clock inputs

– Five internal clock inputs

– Two multi-purpose input/output signals

• Two global registers that act on all three TC Channels

• Quadrature decoder

– Advanced line filtering

– Position / revolution / speed

• 2-bit Gray Up/Down Counter for Stepper Motor

12.7

Pulse Width Modulation Controller (PWM)

• One Four-channel 16-bit PWM Controller, 16-bit counter per channel

• Common clock generator, providing Thirteen Different Clocks

– A Modulo n counter providing eleven clocks

– Two independent Linear Dividers working on modulo n counter outputs

– High Frequency Asynchronous clocking mode

• Independent channel programming

– Independent Enable Disable Commands

– Independent Clock Selection

– Independent Period and Duty Cycle, with Double Buffering

– Programmable selection of the output waveform polarity

– Programmable center or left aligned output waveform

– Independent Output Override for each channel

– Independent complementary Outputs with 12-bit dead time generator for each

channel

– Independent Enable Disable Commands

– Independent Clock Selection

– Independent Period and Duty Cycle, with Double Buffering

• Synchronous Channel mode

– Synchronous Channels share the same counter

– Mode to update the synchronous channels registers after a programmable number

of periods

• Connection to one PDC channel

– Offers Buffer transfer without Processor Intervention, to update duty cycle of

synchronous channels

• independent event lines which can send up to 4 triggers on ADC within a period

ATSAM3S2BA-MU Datasheet(PDF) 49 Page - ATMEL Corporation

ATSAM3S2BA-MU Datasheet(HTML) 49 Page - ATMEL Corporation

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