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SH7672 Datasheet(PDF) 345 Page - Renesas Technology Corp

Part # SH7672
Description  32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7670 Series
PDF  1292 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7672 Datasheet(HTML) 345 Page - Renesas Technology Corp

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Section 8 Direct Memory Access Controller (DMAC)
Rev. 1.00 Nov. 14, 2007 Page 319 of 1262
REJ09B0437-0100
8.3.9
DMA Extension Resource Selectors 0 to 3 (DMARS0 to DMARS3)
The DMA extension resource selectors (DMARS) are 16-bit readable/writable registers that
specify the DMA transfer sources from peripheral modules in each channel. DMARS0 is for
channels 0 and 1, DMARS1 is for channels 2 and 3, DMARS2 is for channels 4 and 5, and
DMARS3 is for channels 6 and 7. Table 8.4 shows the specifiable combinations.
This register can specify transfer requests from six SCIF sources, two IIC3 sources, two CMT
sources, two USB sources, two SSI sources, and two SDHI sources.
• DMARS0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0000000000000000
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit:
Initial value:
R/W:
CH1 MID[5:0]
CH1 RID[1:0]
CH0 RID[1:0]
CH0 MID[5:0]
• DMARS1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0000000000000000
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit:
Initial value:
R/W:
CH3 MID[5:0]
CH3 RID[1:0]
CH2 RID[1:0]
CH2 MID[5:0]
• DMARS2
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0000000000000000
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit:
Initial value:
R/W:
CH5 MID[5:0]
CH5 RID[1:0]
CH4 RID[1:0]
CH4 MID[5:0]
• DMARS3
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0000000000000000
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit:
Initial value:
R/W:
CH7 MID[5:0]
CH7 RID[1:0]
CH6 RID[1:0]
CH6 MID[5:0]
Transfer requests from the various modules specify MID and RID as shown in table 8.4.



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