Bit 6—Reserved: Although reserved, this bit can be written and read.
Bit 5—Destination Address Increment/Decrement (DAID) and Bit 4—Destination Address
Increment/Decrement Enable (DAIDE): These bits select whether the destination address
register (MARB) is incremented, decremented, or held fixed during the data transfer.
Bit 5
Bit 4
DAID
DAIDE
Description
0
0
MARB is held fixed
(Initial value)
1
MARB is incremented after each data transfer
• If DTSZ = 0, MARB is incremented by 1 after each data transfer
• If DTSZ = 1, MARB is incremented by 2 after each data transfer
1
0
MARB is held fixed
1
MARB is decremented after each data transfer
• If DTSZ = 0, MARB is decremented by 1 after each data transfer
• If DTSZ = 1, MARB is decremented by 2 after each data transfer
Bit 3—Transfer Mode Select (TMS): Selects whether the source or destination is the block area
in block transfer mode.
Bit 3
TMS
Description
0
Destination is the block area in block transfer mode
(Initial value)
1
Source is the block area in block transfer mode
203
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