HD6417750 Datasheet, PDF (639/1039 Pages) Renesas Technology Corp – SuperH RISC engine

Table 14.15 Notification of Transfer Channel in Eight-Channel DDT Mode
%$9//,'5
1
0
ID[1:0]
00
01
10
11
00
01
10
11
Transfer Channel
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
Table 14.16 Function of %$9/
7'$&. = High
7'$&. = Low
Function of %$9/
Bus available (data-bus enabled)
Notification of channel number (,'5)
14.8.4 Clearing Request Queues by DTR Format
In DDT mode, the request queues of any channel can be cleared by using DTR.ID, DTR.MD,
DTR.SZ, and DTR.COUNT [7:4] in a DTR format. This function is only available when
DMAOR.DBL = 1. Table 14.17 shows the DTR format settings for clearing request queues.
Rev. 6.0, 07/02, page 587 of 986