Datasheet

Section 7 DMA Controller (DMAC)
Page 334 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
Bit Bit Name Initial Value R/W Description
10 to 8 ⎯ All 0 R/W Reserved
These bits can be read from or written to.
However, the write value should always be 0.
[Legend]
x: Don't care
• DMACR_0B and DMACR_1B
Bit Bit Name Initial Value R/W Description
7 ⎯ 0 R/W Reserved
This bit can be read from or written to. However,
the write value should always be 0.
6
5
DAID
DAIDE
0
0
R/W
R/W
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
• When DTSZ = 0, MARB is incremented by 1
• When DTSZ = 1, MARB is incremented by 2
10: MARB is fixed
11: MARB is decremented after a data transfer
• When DTSZ = 0, MARB is decremented by 1
• When DTSZ = 1, MARB is decremented by 2
4 ⎯ 0 R/W Reserved
This bit can be read from or written to. However,
the write value should always be 0.