11 DMA Ports
11 – 8
Figure 11.5 BDMA Word Count Register
15141312111098 76 54 3210
BDMA Word Count (MMAP=0
and
BMODE=0)
BWCOUNT
DM(0x3FE4)
0000000000100 00
15141312111098 76 54 3210
BDMA Word Count (MMAP=1
or
BMODE=1)
BWCOUNT
DM(0x3FE4)
0000000000000000
0
or
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BMWAIT
1011110
Programmable Flag & Composite Select Control
PFTYPE
1 = Output
0 = Input
10000
CMSSEL
1 = Enable CMS
0 = Disable CMS
DM(0x3FE6)
0000
DMBMIOM PM
Figure 11.6 BMWAIT Field (in Programmable Flag & Composite Select Control Register)
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