Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK Data Sheet

482

SAM9X25 [DATASHEET]

11054E–ATARM–10-Mar-2014

Notes: 1. USR means that the register field is manually programmed by the user.

2. CONT means that address are contiguous.
3. REP means that the register field is updated with its previous value. If the transfer is the first one, then the user must 

manually program the value.

4. Channel stalled is true if the relevant BTC interrupt is not masked.
5. LLI means that the register field is updated with the content of the linked list item.

1) Single Buffer or Last 

buffer of a multiple buffer 

transfer

0

–

–

–

–

USR

0

USR

USR

USR

2) Multi Buffer transfer with 

contiguous DADDR

0

–

0

0

1

LLI

USR

LLI

CONT

LLI

3) Multi Buffer transfer with 

contiguous SADDR

0

0

–

1

0

LLI

USR

CONT

LLI

LLI

4) Multi Buffer transfer with 

LLI support

0

–

–

0

0

LLI

USR

LLI

LLI

LLI

5) Multi Buffer transfer with 

DADDR reloaded

0

–

1

0

1

LLI

USR

LLI

REP

LLI

6) Multi Buffer transfer with 

SADDR reloaded

0

1

–

1

0

LLI

USR

REP

LLI

LLI

7) Multi Buffer transfer

with BTSIZE reloaded and 

contiguous DADDR

1

–

0

0

1

REP

USR

LLI

CONT

LLI

8) Multi Buffer transfer with 

BTSIZE reloaded and 

contiguous SADDR

1

0

–

1

0

REP

USR

CONT

LLI

LLI

9) Automatic mode channel 

is stalling

BTsize is reloaded

1

0

0

1

1

REP

USR

CONT

CONT

REP

10) Automatic mode 

BTSIZE, SADDR and 

DADDR reloaded

1

1

1

1

1

REP

USR

REP

REP

REP

11) Automatic mode 

BTSIZE, SADDR reloaded 

and DADDR contiguous

1

1

0

1

1

REP

USR

REP

CONT

REP