Rainbow Electronics AT91CAP9S250A - Manual (Page 321)

321
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
26.5.11 DMAC Channel Handler Disable Register
Name: DMAC_CHDR
Access: Write-only
Reset Value: 0x00000000
• DIS[3:0]
Write one to this field to disable the relevant DMAC Channel. The content of the FIFO is lost and the current AHB access is
terminated. Software must poll DIS[3:0] field in the DMAC_CHSR register to be sure that the channel is disabled.
• RES[3:0]
Write one to this field to resume the channel transfer restoring its context.
31 30 29 28 27 26 25 24
– – – – – – – –
23 22 21 20 19 18 17 16
– – – – – – – –
15 14 13 12 11 10 9 8
– – – – RES3 RES2 RES1 RES0
7 6 5 4 3 2 1 0
– – – – DIS3 DIS2 DIS1 DIS0