Texas Instruments CC2650DK 사용자 설명서
µDMA Registers
12.5.1.18 REQDONE Register (Offset = 504h) [reset = X]
REQDONE is shown in
and described in
Channel Request Done
Figure 12-24. REQDONE 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
R/W-X
Table 12-25. REQDONE Register Field Descriptions
Bit
Field
Type
Reset
Description
31-0
CHNLS
R/W
X
Reflects the uDMA done status for the given channel, channel [Ch].
It's a sticky done bit. Unless cleared by writing a 1, it holds the value
of 1. Read as: Bit [Ch] = 0: Request has not completed for channel
Ch Bit [Ch] = 1: Request has completed for the channel Ch Writing a
1 to individual bits would clear the corresponding bit. Write as: Bit
[Ch] = 0: No effect. Bit [Ch] = 1: The corresponding [Ch] bit is
cleared and is set to 0
It's a sticky done bit. Unless cleared by writing a 1, it holds the value
of 1. Read as: Bit [Ch] = 0: Request has not completed for channel
Ch Bit [Ch] = 1: Request has completed for the channel Ch Writing a
1 to individual bits would clear the corresponding bit. Write as: Bit
[Ch] = 0: No effect. Bit [Ch] = 1: The corresponding [Ch] bit is
cleared and is set to 0
1071
SWCU117A – February 2015 – Revised March 2015
Micro Direct Memory Access (µDMA)
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