HD64F2357VF13 Datasheet, PDF (877/1049 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

B.2 Functions
MRA—DTC Mode Register A
H'F800—H'FBFF
DTC
Bit
:
Initial value :
Read/Write :
7
6
5
4
3
2
1
0
SM1 SM0 DM1 DM0 MD1 MD0 DTS
Sz
Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined
—
—
—
—
—
—
—
—
DTC Data
Transfer Size
0 Byte-size
transfer
1 _Word-size
transfer
DTC Transfer Mode Select
0 Destination side is repeat
area or block area
DTC Mode
1 _{Source side is repeat area}
or block area
0 0 Normal mode
1 Repeat mode
1 0 Block transfer mode
1—
Destination Address Mode
0 — _{DAR is fixed}
1 0 _{DAR is incremented after a transfer}
(by +1 when Sz = 0; by +2 when Sz = 1)
1 _{DAR is decremented after a transfer}
(by -1 when Sz = 0; by -2 when Sz = 1)
Source Address Mode
0 — _{SAR is fixed}
1 0 _{SAR is incremented after a transfer}
(by +1 when Sz = 0; by +2 when Sz = 1)
1 _{SAR is decremented after a transfer}
(by -1 when Sz = 0; by -2 when Sz = 1)
Rev.6.00 Oct.28.2004 page 847 of 1016
REJ09B0138-0600H