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11 DMA Ports
15
14
13
0
0
0
or
15
14
13
0
0
0
Figure 11.5 BDMA Word Count Register
15
14
0
1
BMWAIT
CMSSEL
1 = Enable CMS
0 = Disable CMS
Figure 11.6 BMWAIT Field (in Programmable Flag & Composite Select Control Register)
11 – 8
BDMA Word Count (MMAP=0 and BMODE=0)
12
11
10
9
0
0
0
0
BDMA Word Count (MMAP=1 or BMODE=1)
12
11
10
9
0
0
0
0
Programmable Flag & Composite Select Control
13
12
11
10
1
1
1
0
IOM
BM
DM
8
7
6
5
4
0
0
0
1
0
8
7
6
5
4
0
0
0
0
0
9
8
7
6
5
1
1
0
0
0
PM
3
2
1
0
0
0
0
0
BWCOUNT
3
2
1
0
0
0
0
0
BWCOUNT
4
3
2
1
0
0
0
0
0
0
PFTYPE
1 = Output
0 = Input
DM(0x3FE4)
DM(0x3FE4)
DM(0x3FE6)
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