Atmel /AT91SAM9M11 /DMAC /CTRLA4

Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text

Interpret as CTRLA4

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 0BTSIZE0 (CHK_1)SCSIZE 0 (CHK_1)DCSIZE 0 (BYTE)SRC_WIDTH 0 (BYTE)DST_WIDTH 0 (DONE)DONE

DCSIZE=CHK_1, SRC_WIDTH=BYTE, SCSIZE=CHK_1, DST_WIDTH=BYTE

Description

DMAC Channel Control A Register (ch_num = 4)

Fields

BTSIZE
SCSIZE

0 (CHK_1): 1 data transferred

1 (CHK_4): 4 data transferred

2 (CHK_8): 8 data transferred

3 (CHK_16): 16 data transferred

4 (CHK_32): 32 data transferred

5 (CHK_64): 64 data transferred

6 (CHK_128): 128 data transferred

7 (CHK_256): 256 data transferred

DCSIZE

0 (CHK_1): 1 data transferred

1 (CHK_4): 4 data transferred

2 (CHK_8): 8 data transferred

3 (CHK_16): 16 data transferred

4 (CHK_32): 32 data transferred

5 (CHK_64): 64 data transferred

6 (CHK_128): 128 data transferred

7 (CHK_256): 256 data transferred

SRC_WIDTH

0 (BYTE): the transfer size is set to 8-bit width

1 (HALF_WORD): the transfer size is set to 16-bit width

2 (WORD): the transfer size is set to 32-bit width

DST_WIDTH

0 (BYTE): the transfer size is set to 8-bit width

1 (HALF_WORD): the transfer size is set to 16-bit width

2 (WORD): the transfer size is set to 32-bit width

DONE

Links

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