R5S72011 RENESAS [Renesas Technology Corp], R5S72011 Datasheet - Page 362

• Manufacturer Part Number: R5S72011
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 11 Direct Memory Access Controller (DMAC)
11.3.10 DMA Activation Control Register (DMSCNT)
DMSCNT controls the operation of the DMAC.
Rev. 2.00 Sep. 07, 2007 Page 334 of 1164
REJ09B0321-0200
Bit
31 to 17 
16
15 to 0
Initial value:
Initial value:
R/W:
R/W:
Bit:
Bit:
Bit Name
DMST

31
15
—
—
R
R
0
0
30
14
—
—
R
R
0
0
29
13
—
—
R
R
0
0
Initial
Value
All 0
0
All 0
28
12
—
—
R
R
0
0
27
11
—
—
R
R
0
0
R/W
R
R/W
R
26
10
—
—
R
R
0
0
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
DMAC Module Activation
This bit is used to stop or activate the DMAC module.
When this bit is cleared to "0", the DMAC module
stops.
When this bit is set to "1", the DMAC module is
operational.
For details, see section 11.4.3, DMA Activation, and
section 11.6, Suspending, Restarting, and Stopping of
DMA Transfer.
0: DMAC halted
1: DMAC operating
Reserved
These bits are always read as 0. The write value
should always be 0.
25
—
—
R
R
0
9
0
24
—
—
R
R
0
8
0
23
—
—
R
R
0
7
0
22
—
—
R
R
0
6
0
21
—
—
R
R
0
5
0
20
—
—
R
R
0
4
0
19
—
—
R
R
0
3
0
18
—
—
R
R
0
2
0
17
—
—
R
R
0
1
0
DMST
R/W
16
—
R
0
0
0