r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 186

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Section 8 Data Transfer Controller (DTC)
8.2.1
MRA selects DTC operating mode. MRA cannot be accessed directly by the CPU.
Rev. 1.00 Sep. 21, 2007 Page 160 of 1124
REJ09B0402-0100
Bit
7, 6
5, 4
3, 2
Bit Name
MD[1:0]
Sz[1:0]
SM[1:0]
DTC Mode Register A (MRA)
Initial
Value
Undefined 
Undefined 
Undefined 
Initial value:
R/W:
Bit:
R/W
7
-
-
MD[1:0]
6
-
-
Description
DTC Mode 1 and 0
Specify DTC transfer mode.
00: Normal mode
01: Repeat mode
10: Block transfer mode
11: Setting prohibited
DTC Data Transfer Size 1 and 0
Specify the size of data to be transferred.
00: Byte-size transfer
01: Word-size transfer
10: Longword-size transfer
11: Setting prohibited
Source Address Mode 1 and 0
Specify an SAR operation after a data transfer.
0x: SAR is fixed
10: SAR is incremented after a transfer
11: SAR is decremented after a transfer
(SAR writeback is skipped)
(by 1 when Sz1 and Sz0 = B'00; by 2 when Sz1 and
Sz0 = B'01; by 4 when Sz1 and Sz0 = B'10)
(by 1 when Sz1 and Sz0 = B'00; by 2 when Sz1 and
Sz0 = B'01; by 4 when Sz1 and Sz0 = B'10)
5
-
-
Sz[1:0]
4
-
-
3
-
-
SM[1:0]
2
-
-
1
-
-
-
0
-
-
-