HD6417034B RENESAS [Renesas Technology Corp], HD6417034B Datasheet - Page 210
HD6417034B
Manufacturer Part Number
HD6417034B
Description
32-Bit RISC Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417034B.pdf
(687 pages)
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Section 9 Direct Memory Access Controller (DMAC)
9.2
9.2.1
DMA source address registers 0–3 (SAR0–SAR3) are 32-bit read/write registers that specify the
source address of a DMA transfer. During a DMA transfer, these registers indicate the next source
address (in single-address mode, SAR is ignored in transfers from external devices with DACK to
memory-mapped external devices or external memory).
The initial value after a reset or in standby mode is undefined.
9.2.2
DMA destination address registers 0–3 (DAR0–DAR3) are 32-bit read/write registers that specify
the destination address of a DMA transfer. During a DMA transfer, these registers indicate the
next destination address (in single-address mode, DAR is ignored in transfers from memory-
mapped external devices or external memory to external devices with DACK). The initial value
after a reset or in standby mode is undefined.
Rev. 7.00 Jan 31, 2006 page 184 of 658
REJ09B0272-0700
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Register Descriptions
DMA Source Address Registers 0–3 (SAR0–SAR3)
DMA Destination Address Registers 0–3 (DAR0–DAR3)
R/W
R/W
R/W
R/W
31
23
31
23
—
—
—
—
R/W
R/W
R/W
R/W
30
22
30
22
—
—
—
—
R/W
R/W
R/W
R/W
29
21
29
21
—
—
—
—
R/W
R/W
28
28
—
—
R/W
R/W
27
27
—
—
R/W
R/W
26
26
—
…
…
…
…
—
…
…
…
…
R/W
R/W
25
25
—
—
R/W
R/W
R/W
R/W
24
24
—
—
—
—
0
0
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