Atmel /ATSAMR21E17A /DMAC /CHCTRLB

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Interpret as CHCTRLB

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (NOACT)EVACT0 (EVIE)EVIE 0 (EVOE)EVOE 0 (LVL0)LVL0 (DISABLE)TRIGSRC0 (BLOCK)TRIGACT 0 (NOACT)CMD

EVACT=NOACT, TRIGACT=BLOCK, CMD=NOACT, TRIGSRC=DISABLE, LVL=LVL0

Description

Channel Control B

Fields

EVACT

Event Input Action

0 (NOACT): No action

1 (TRIG): Transfer and periodic transfer trigger

2 (CTRIG): Conditional transfer trigger

3 (CBLOCK): Conditional block transfer

4 (SUSPEND): Channel suspend operation

5 (RESUME): Channel resume operation

6 (SSKIP): Skip next block suspend action

EVIE

Channel Event Input Enable

EVOE

Channel Event Output Enable

LVL

Channel Arbitration Level

0 (LVL0): Channel Priority Level 0

1 (LVL1): Channel Priority Level 1

2 (LVL2): Channel Priority Level 2

3 (LVL3): Channel Priority Level 3

TRIGSRC

Trigger Source

0 (DISABLE): Only software/event triggers

TRIGACT

Trigger Action

0 (BLOCK): One trigger required for each block transfer

2 (BEAT): One trigger required for each beat transfer

3 (TRANSACTION): One trigger required for each transaction

CMD

Software Command

0 (NOACT): No action

1 (SUSPEND): Channel suspend operation

2 (RESUME): Channel resume operation

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