TMP91C824
91C824-241
2008-02-20
(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
DMA0V
DMA 0
request
vector
80H
DMA0
start
vector
DMA1V5
DMA1V4
DMA1V3
DMA1V2 DMA1V1 DMA1V0
R/W
0 0 0 0 0 0
DMA1V
DMA 1
request
vector
81H
DMA1
start
vector
DMA2V5
DMA2V4
DMA2V3
DMA2V2 DMA2V1 DMA2V0
R/W
0 0 0 0 0 0
DMA2V
DMA 2
request
vector
82H
DMA2 start vector
DMA3V5
DMA3V4
DMA3V3
DMA3V2 DMA3V1 DMA3V0
R/W
0 0 0 0 0 0
DMA3V
DMA 3
request
vector
83H
DMA3 start vector
CLRV5
CLRV4
CLRV3
CLRV2 CLRV1 CLRV0
W
0 0 0 0 0 0
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
(Prohibit
RMW)
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 W
0 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