E62655RUSB Renesas Electronics America, E62655RUSB Datasheet - Page 270

• Manufacturer Part Number: E62655RUSB
• Description: EMULATOR BASE H8S/2655R W/USB
• Manufacturer: Renesas Electronics America
• Type: Microcontrollerr

Specifications of E62655RUSB

• Contents: E6000 Emulator Unit and 4 Logic Probes
• For Use With/related Products: H8S/2655R
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Section 7 DMA Controller
7.3.4
DMACR is a 16-bit readable/writable register that controls the operation of each DMAC channel.
In full address mode, DMACRA and DMACRB have different functions.
DMACR is initialized to H'0000 by a reset, and in standby mode.
DMACRA:
DMACRB:
Bit 15—Data Transfer Size (DTSZ): Selects the size of data to be transferred at one time.
Bit 15
DTSZ
0
1
Bit 14—Source Address Increment/Decrement (SAID)
Rev. 5.00 Sep 14, 2006 page 240 of 1060
REJ09B0331-0500
Bit
DMACRA
Initial value
R/W
Bit
DMACRB
Initial value
R/W
DMA Control Register (DMACR)
Description
Byte-size transfer
Word-size transfer
:
:
:
:
:
:
:
:
DTSZ
R/W
R/W
15
—
0
7
0
SAID
DAID
R/W
R/W
14
0
6
0
DAIDE
SAIDE
R/W
R/W
13
0
5
0
BLKDIR
R/W
R/W
12
—
0
4
0
BLKE
DTF3
R/W
R/W
11
0
3
0
DTF2
R/W
R/W
10
—
0
2
0
DTF1
R/W
R/W
—
9
0
1
0
(Initial value)
DTF0
R/W
R/W
—
8
0
0
0