Renesas HD6417641 - Table 12.20 Minimum Number of Idle Cycles During DMAC Single Address Mode Transfer to the Normal Space Interface from the External Device with DACK

Section 12 Bus State Controller (BSC)
Rev. 4.00 Sep. 14, 2005 Page 391 of 982
REJ09B0023-0400
Table 12.20 Minimum Number of Idle Cycles during DMAC Single Address Mode Transfer
to the Normal Space Interface from the External Device with DACK
(1) Transfer from the external device with DACK to the normal space interface
BSC Register Setting*
3
When Access Size is
Less than Bus Width
CSnWCR.WM
Setting
CMNCR.DMAIWA
Setting
CMNCR.DMAIW
Idle Setting
Continuous
Transfer*
1
Non-Continuous
Transfer*
2
1 0  0 2
0 0  1 2
1 1 0 0 2
0 1 0 1 2
1 1 1 1 2
0 1 1 1 2
1 1 2 2 2
0 1 2 2 2
1 1 4 4 4
0 1 4 4 4
0, 1 1 n (n≥6) n n