Datasheet

Section 7 Data Transfer Controller [H8S/2138 Group]
Rev. 4.00 Jun 06, 2006 page 163 of 1004
REJ09B0301-0400
Bits 3 and 2—DTC Mode (MD1, MD0): These bits specify the DTC transfer mode.
Bit 3 Bit 2
MD1 MD0 Description
0 0 Normal mode
1 Repeat mode
1 0 Block transfer mode
1 —
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 Description
0 Destination side is repeat area or block area
1 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 Description
0 Byte-size transfer
1 Word-size transfer