r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 350

• Manufacturer Part Number: r4f2456
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Section 7 DMA Controller (DMAC)
Legend:
x: Don’t care
•
Rev. 1.00 Sep. 19, 2008 Page 320 of 1342
REJ09B0467-0100
Bit
10 to 8
Bit
7
6
5
4
DMACR_0B and DMACR_1B
Bit Name

DAID
DAIDE
—
Bit Name

Initial Value
0
0
0
0
All 0
Initial Value
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reserved
Description
Reserved
These bits can be read from or written to.
However, the write value should always be 0.
Description
This bit can be read from or written to. However,
the write value should always be 0.
Destination Address Increment/Decrement
Destination Address Increment/Decrement Enable
These bits specify whether destination address
register MARB is to be incremented,
decremented, or left unchanged, when data
transfer is performed.
00: MARB is fixed
01: MARB is incremented after a data transfer
•
•
10: MARB is fixed
11: MARB is decremented after a data transfer
•
•
Reserved
This bit can be read from or written to. However,
the write value should always be 0.
When DTSZ = 0, MARB is incremented by 1
When DTSZ = 1, MARB is incremented by 2
When DTSZ = 0, MARB is decremented by 1
When DTSZ = 1, MARB is decremented by 2