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10
TOP Interrupt Control Register 3 (TOPIR3)
D8
D
Bit Name
8, 9
No functions assigned
10
TOPIS9 (TOP9 interrupt status)
11
TOPIS8 (TOP8 interrupt status)
12, 13
No functions assigned
14
TOPIM9 (TOP9 interrupt mask)
15
TOPIM8 (TOP8 interrupt mask)
W =
: Only writing a 0 is effective; when you write a 1, the previous value is retained.
Note: For TOP10, there are no interrupt status and mask bits in MJT interrupt control registers because it only
has one source of interrupt in the group. (It is controlled directly by the interrupt controller.)
Data bus
Figure 10.2.9 Block Diagram of MJT Output Interrupt 6
9
10
11
TOPIS9
TOPIS8
Function
0 : No interrupt request
1 : Interrupt request generated
0 : Enables interrupt request
1 : Masks (disables) interrupt request
TOPIR3 <H'0080 0233>
TOP9udf
TOPIS9
b10
F/F
TOPIM9
b14
F/F
TOP8udf
TOPIS8
b11
F/F
TOPIM8
b15
F/F
10-44
MULTIJUNCTION TIMERS
10.2 Common Units of Multijunction Timer
<Address: H'0080 0233>
12
13
14
TOPIM9
2-source inputs
D15
TOPIM8
<When reset : H'00>
R
W
0
—
0
—
MJT output
interrupt 6
(Level)
IRQ6
Ver.0.10
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