SH7641 Datasheet, PDF (470/1036 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7641 Series

Section 13 Direct Memory Access Controller (DMAC)
Table 13.2 Combination of the Round-Robin Select Bits and Priority Mode Bits
Round-robin
Select bit
Transfer
End
Mode No.
RC0 RC1 RC2 RC3 CH No.
0
0
0
1
1
CH2
1
0
1
1
1
CH1
0
1
1
1
CH2
2
1
1
0
0
CH0
3
1
1
1
0
CH0
1
1
1
0
CH1
4
1
1
1
1
CH0
1
1
1
1
CH1
1
1
1
1
CH2
—
Other than the above
—
setting prohibited
5
*
*
*
*
CH0
(All-channel
round-robin)
*
*
*
*
CH1
*
*
*
*
CH2
6 (Fixed mode 2) *
*
*
*
*
7 (Fixed mode 1) *
*
*
*
*
Note: * Any
Priority bit
PR1
PR0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
1
1
1
1
0
1
0
0
High
0
CH0
CH0
CH0
CH1
CH1
CH2
CH1
CH2
CH3
—
CH1
CH2
CH3
CH0
CH0
Priority Level
1
CH1
CH2
CH3
CH0
CH2
CH0
CH2
CH3
CH0
—
2
CH3
CH3
CH1
CH2
CH0
CH1
CH3
CH0
CH1
—
Low
3
CH2
CH1
CH2
CH3
CH3
CH3
CH0
CH1
CH2
—
CH2
CH3
CH0
CH2
CH1
CH3
CH0
CH1
CH3
CH2
CH0
CH1
CH2
CH1
CH3
Rev. 4.00 Sep. 14, 2005 Page 420 of 982
REJ09B0023-0400