HD6433308 HITACHI [Hitachi Semiconductor], HD6433308 Datasheet - Page 331

• Manufacturer Part Number: HD6433308
• Description: Hitachi Single-Chip MicroComputer
• Manufacturer: HITACHI [Hitachi Semiconductor]

MDCR—Mode Control Register
Bit
Initial value
Read/Write
* Determined by inputs at pins MD
ISCR—IRQ Sense Control Register
Bit
Initial value
Read/Write
IER—IRQ Enable Register
Bit
Initial value
Read/Write
IRQ
IRQ
R/W
R/W
—
—
7
1
7
0
7
0
7
7
SC IRQ
E
IRQ
R/W
R/W
—
—
6
1
0
0
6
6
6
6
SC IRQ
E
IRQ
R/W
R/W
—
—
1
5
1
5
0
0
5
5
and MD
5
SC IRQ
E
IRQ
IRQ
0 IRQ
1 IRQ
0 IRQ
1 IRQ
IRQ
0
R/W
R/W
0
to IRQ
0
—
—
4
0
4
0
to IRQ
0
.
4
i
i
4
323
i
i
4
SC IRQ
is edge-sensed (falling edge).
is level-sensed (active Low).
is enabled.
E
is disabled.
H’FFC5
H’FFC6
H’FFC7
7
IRQ
7
R/W
R/W
Enable
—
—
Sense Control
3
0
3
0
3
0
3
3
SC IRQ
E
Value at mode pins.
Mode Select Bits
IRQ
R/W
R/W
—
—
2
1
2
0
2
0
2
2
SC IRQ
E
System Control
System Control
System Control
MDS1
IRQ
R/W
R/W
R
1
*
1
0
1
0
1
1
SC IRQ
E
MDS0
IRQ
R/W
R/W
R
0
*
0
0
0
0
0
0
SC
E