D12320VF25IV Datasheet, PDF (347/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 8 Data Transfer Controller
Bits 3 and 2—DTC Mode (MD1, MD0): These bits specify the DTC transfer mode.
Bit 3
MD1
0
1
Bit 2
MD0
0
1
0
1
Description
Normal mode
Repeat mode
Block transfer mode
—
Bit 1—DTC Transfer Mode Select (DTS): Specifies whether the source side or the destination
side is set to be a repeat area or block area, in repeat mode or block transfer mode.
Bit 1
DTS
0
1
Description
Destination side is repeat area or block area
Source side is repeat area or block area
Bit 0—DTC Data Transfer Size (Sz): Specifies the size of data to be transferred.
Bit 0
Sz
0
1
Description
Byte-size transfer
Word-size transfer
8.2.2 DTC Mode Register B (MRB)
Bit
:
Initial value :
R/W
:
7
CHNE
Unde-
fined
—
6
DISEL
Unde-
fined
—
5
CHNS
Unde-
fined
—
4
—
Unde-
fined
—
3
—
Unde-
fined
—
2
—
Unde-
fined
—
1
—
Unde-
fined
—
0
—
Unde-
fined
—
MRB is an 8-bit register that controls the DTC operating mode.
Rev.6.00 Sep. 27, 2007 Page 315 of 1268
REJ09B0220-0600