Bureaucrats, oversight, Administrators
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Line 70:
Line 70:
| Destination data address. Must be multiple of 4.
| Destination data address. Must be multiple of 4.
|}
|}
−Like old DMA, REG_NDMA_DEST is copied to internal registers when written to.
+Like old DMA, REG_NDMADAD is copied to internal registers when written to.
== REG_NDMATCNT ==
== REG_NDMATCNT ==
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Line 77:
! DESCRIPTION
! DESCRIPTION
|-
|-
−| 31-0
+| 27-0
−| Number of bytes to copy/write, see REG_NDMA_CNT bit28.
+| Total number of words transferred.
|}
|}
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! DESCRIPTION
! DESCRIPTION
|-
|-
−| 31-0
+| 23-0
−| Number of bytes to copy/write, see REG_NDMA_CNT bit28.
+| Total number of words to transfer.
|}
|}
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! DESCRIPTION
! DESCRIPTION
|-
|-
−| 31-0
+| 15-0
−| Time related?
+| Interval timer.
+|-
+| 17-16
+| Prescaler. 0=System freq, 1=1/4th freq, 2=1/16th freq, 3=1/64th freq.
|}
|}
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|-
|-
| 31-0
| 31-0
−| Value to write to destination instead of copying when REG_NDMA_CNT bit13 and bit14 are set.
+| Fill data.
|}
|}
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! DESCRIPTION
! DESCRIPTION
|-
|-
−| 10-0
+| 11-10
−| ?
+| Destination address update method.
|-
|-
−| 11
+| 12
−| Fixed destination address when set.
+| Destination address reload flag.
|-
|-
−| 12
+| 14-13
−| ?
+| Source address update method.
|-
|-
−| 13
+| 15
−| When set clear data with the value REG_NDMA_CLEAR instead of copying.
+| Source address reload flag.
|-
|-
−| 14
+| 19-16
−| Fixed source address when set.
+| Block transfer word count.
|-
|-
−| 27-15
+| 27-24
−| ?
+| Startup mode.
|-
|-
| 28
| 28
−| Set when REG_NDMA_NUM0 was set, clear when REG_NDMA_NUM1 was set.
+| Immediate mode.
+|-
+| 29
+| Repeating mode.
|-
|-
| 30
| 30
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|-
|-
| 31
| 31
−| Enable/busy
+| Enable/busy flag.
|}
|}