Toshiba TMP91C824F Data Book page 52

Symbol NAME Address
DMA0
DMA0V Start 80H
Vector
DMA1
DMA1V Start 81H
Vector
DMA2
DMA2V Start 82H
Vector
DMA3
DMA3V Start 83H
Vector
(5) Micro DMA burst specification
Specifying the micro DMA burst continues the micro DMA transfer until the transfer counter
register reaches zero after micro DMA start. Setting a bit which corresponds to the micro DMA
channel of the DMAB registers mentioned below to "1" specifies a burst.
Symbol NAME Address
DMA
Software
DMAR 89H
Request
Register
DMA
8AH
DMAB Burst
Register
7 6 5
DMA0V5
0
DMA1V5
0
DMA2V5
0
DMA3V5
0
7 6 5
91C824-49
4 3 2
DMA0 Start Vector
DMA0V4 DMA0V3 DMA0V2
R/W
0 0 0
DMA1 Start Vector
DMA1V4 DMA1V3 DMA0V2
R/W
0 0 0
DMA2 Start Vector
DMA2V4 DMA2V3 DMA2V2
R/W
0 0 0
DMA3 Start Vector
DMA3V4 DMA3V3 DMA3V2
R/W
0 0 0
4 3 2
DMAR3 DMAR2
R/W R/W
0 0
1: DMA Software request
DMAB3 DMAB2
0 0
TMP91C824
1 0
DMA0V1 DMA0V0
0 0
DMA1V1 DMA1V0
0 0
DMA2V1 DMA2V0
0 0
DMA3V1 DMA3V0
0 0
1 0
DMAR1 DMAR0
R/W R/W
0 0
DMAB1 DMAB0
R/W
0 0