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µDMA Registers

12.5.1.14 CLEARCHNLPRIALT Register (Offset = 34h) [reset = X]

CLEARCHNLPRIALT is shown in Figure 12-20 and described in Table 12-21.

Channel Clear Primary-Alternate

Figure 12-20. CLEARCHNLPRIALT Register

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

CHNLS

W-X

Table 12-21. CLEARCHNLPRIALT Register Field Descriptions

Bit Field Type Reset Description

31-0 CHNLS W X

Clears the appropriate bit to select the primary data structure for the

corresponding uDMA channel. Write as: Bit [Ch] = 0: No effect. Use

the SETCHNLPRIALT.CHNLS to select the alternate data structure.

Bit [Ch] = 1: Selects the primary data structure for channel Ch.

Writing to a bit where a uDMA channel is not implemented has no

effect

1067

SWCU117A–February 2015–Revised March 2015 Micro Direct Memory Access (µDMA)

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