Computer Hardware User's Manual

TMP92CM22
2007-02-16
92CM22-237
(3) DMA controller
Symbol Name Address 7 6 5 4 3 2 1 0
DMA0V5 DMA0V4 DMA0V3 DMA0V2 DMA0V1 DMA0V0
R/W
0 0 0 0 0 0
DMA0V
DMA0
start
vector
0100H
DMA0 start vector
DMA1V5 DMA1V4 DMA1V3 DMA1V2 DMA1V1 DMA1V0
R/W
0 0 0 0 0 0
DMA1V
DMA1
start
vector
0101H
DMA1 start vector
DMA2V5 DMA2V4 DMA2V3 DMA2V2 DMA2V1 DMA2V0
R/W
0 0 0 0 0 0
DMA2V
DMA2
start
vector
0102H
DMA2 start vector
DMA3V5 DMA3V4 DMA3V3 DMA3V2 DMA3V1 DMA3V0
R/W
0 0 0 0 0 0
DMA3V
DMA3
start
vector
0103H
DMA3 start vector
DMA4V5 DMA4V4 DMA4V3 DMA4V2 DMA4V1 DMA4V0
R/W
0 0 0 0 0 0
DMA4V
DMA4
start
vector
0104H
DMA4 start vector
DMA5V5 DMA5V4 DMA5V3 DMA5V2 DMA5V1 DMA5V0
R/W
0 0 0 0 0 0
DMA5V
DMA5
start
vector
0105H
DMA5 start vector
DMA6V5 DMA6V4 DMA6V3 DMA6V2 DMA6V1 DMA6V0
R/W
0 0 0 0 0 0
DMA6V
DMA6
start
vector
0106H
DMA6 start vector
DMA7V5 DMA7V4 DMA7V3 DMA7V2 DMA7V1 DMA7V0
R/W
0 0 0 0 0 0
DMA7V
DMA7
start
vector
0107H
DMA7 start vector
DBST7 DBST6 DBST5 DBST4 DBST3 DBST2 DBST1 DBST0
R/W
0 0 0 0 0 0 0 0
DMAB
DMA
burst
0108H
1: DMA request on burst mode
DREQ7 DREQ6 DREQ5 DREQ4 DREQ3 DREQ2 DREQ1 DREQ0
R/W
0 0 0 0 0 0 0 0
DMAR
DMA
request
0109H
(Prohibit
RMW)
1: DMA request in software