r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 723
r8a77850anbg
Manufacturer Part Number
r8a77850anbg
Description
Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R8A77850ANBG.pdf
(1692 pages)
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14.3.9
DMARS are 16-bit readable/writable registers. DMARS0, DMARS1, DMARS2, DMARS3,
DMARS4, and DMARS5 specify DMA transfer request source from peripheral modules for
channels 0 and 1, channels 2 and 3, channels 4 and 5, channels 6 and 7, channels 8 and 9, and
channels 10 and 11 respectively. These registers can specify the transfer request of SCIF0 to
SCIF5, HAC0, HAC1, HSPI, SIOF, SSI0, SSI1, FLCTL, and MMCIF.
When MID/RID other than the values listed in table 14.3 is specified, the operation of this LSI is
not guaranteed. The transfer request from DMARS is valid only when the resource select bits RS3
to RS0 have been set to B'1000 for CHCR. When the bits are not set to B'1000, transfer request
source is not accepted even if DMARS has been specified.
• DMARS0
• DMARS1
• DMARS2
• DMARS3
Initial value:
Initial value:
Initial value:
Initial value:
R/W:
R/W:
R/W:
R/W:
Bit:
Bit:
Bit:
Bit:
DMA Extended Resource Selectors 0 to 5 (DMARS0 to DMARS5)
R/W
R/W
R/W
R/W
15
15
15
15
0
0
0
0
R/W
R/W
R/W
R/W
14
14
14
14
0
0
0
0
R/W
R/W
R/W
R/W
13
13
13
13
Ch1MID
0
Ch3MID
0
Ch5MID
0
Ch7MID
0
R/W
R/W
R/W
R/W
12
12
12
12
0
0
0
0
R/W
R/W
R/W
R/W
11
11
11
11
0
0
0
0
R/W
R/W
R/W
R/W
10
10
10
10
0
0
0
0
R/W
R/W
R/W
R/W
9
0
9
0
9
0
9
0
Ch1RID
Ch3RID
Ch5RID
Ch7RID
R/W
R/W
R/W
R/W
8
0
8
0
8
0
8
0
R/W
R/W
R/W
R/W
7
0
7
0
7
0
7
0
14. Direct Memory Access Controller (DMAC)
R/W
R/W
R/W
R/W
Rev.1.00 Jan. 10, 2008 Page 693 of 1658
6
0
6
0
6
0
6
0
R/W
R/W
R/W
R/W
5
0
5
0
5
0
5
0
Ch0MID
Ch2MID
Ch4MID
Ch6MID
R/W
R/W
R/W
R/W
4
0
4
0
4
0
4
0
R/W
R/W
R/W
R/W
3
0
3
0
3
0
3
0
REJ09B0261-0100
R/W
R/W
R/W
R/W
2
0
2
0
2
0
2
0
R/W
R/W
R/W
R/W
1
0
1
0
1
0
1
0
Ch0RID
Ch2RID
Ch4RID
Ch6RID
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
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