TMP91C824
91C824-236
(3)
Interrupt Control (3/3)
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
DMA0
V
DMA 0
Request
Vector
80H
DMA0 Start vector
DMA1V5
DMA1V4
DMA1V3
DMA1V2
DMA1V1
DMA1V0
R/W
0
0
0
0
0
0
DMA1
V
DMA 1
Request
Vector
81H
DMA1 Start vector
DMA2V5
DMA2V4
DMA2V3
DMA2V2
DMA2V1
DMA2V0
R/W
0
0
0
0
0
0
DMA2
V
DMA 2
Request
Vector
82H
DMA2 Start vector
DMA3V5
DMA3V4
DMA3V3
DMA3V2
DMA3V1
DMA3V0
R/W
0
0
0
0
0
0
DMA3
V
DMA 3
Request
Vector
83H
DMA3 Start vector
CLRV5
CLRV4
CLRV3
CLRV2
CLRV1
CLRV0
W
−
−
−
−
−
−
INTCLR
Interrupt
Clear
Control
88H
(Prohibit
RMW)
Clears interrupt request flag by writing to DMA start vector
DMAR3
DMAR2
DMAR1
DMAR0
R/W
R/W
R/W
R/W
0
0
0
0
DMAR
DMA
Software
Request
Register
89H
1: DMA request in software
DMAB3
DMAB2
DMAB1
DMAB0
R/W
R/W
R/W
R/W
0
0
0
0
DMAB
DMA
Burst
Request
Register
8AH
1 : DMA request on Burst Mode
I3EDGE
I2EDGE
I1EDGE
I0EDGE
I0LE
NMIREE
W
W
w
W
W
W
W
0
0
0
0
0
0
0
IIMC
Interrupt
Input Mode
Control
8CH
(Prohibit
RMW)
Always
write 0
Always
write 0
INT3
edge
0: Rising
1: Falling
INT2
edge
0: Rising
1: Falling
INT1
edge
0: Rising
1: Falling
INT0
edge
0: Rising
1: Falling
INT0
0: edge
1:level
1: o
peration
even on
NMI
rising
edge