MB90P663APFM View Datasheet(PDF) - Fujitsu
Part Name
Description
Manufacturer
MB90P663APFM Datasheet PDF : 84 Pages
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MB90660A Series
7. External Interrupts
In addition to “H” and “L”, rising and falling edge can be selected as the external interrupt level for a total of four
interrupt level types.
(1) Register Configuration
Interrupt enable register
Address : 000028H
bit 7
6
5
4
3
2
1
0
EN7 EN6 EN5 EN4 EN3 EN2 EN1 EN0
Read/Write
Initial value
(R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
(0) (0) (0) (0) (0) (0) (0) (0)
Interrupt source register
Address : 000029H
bit 15 14 13 12 11 10 9 8
ER7 ER6 ER5 ER4 ER3 ER2 ER1 ER0
Read/Write
Initial value
(R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
(0) (0) (0) (0) (0) (0) (0) (0)
bit
Request level setting register (upper)
Address : 00002BH
15 14 13 12 11 10 9 8
LB7 LA7 LB6 LA6 LB5 LA5 LB4 LA4
Read/Write
Initial value
(R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
(0) (0) (0) (0) (0) (0) (0) (0)
bit
Request level setting register (lower)
Address : 00002AH
7
6
5
4
3
2
1
0
LB3 LA3 LB2 LA2 LB1 LA1 LB0 LA0
Read/Write
Initial value
(R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
(0) (0) (0) (0) (0) (0) (0) (0)
ENIR
EIRR
ELVR
(2) Block Diagram
8
Interrupt enable register
8
Gate
Source F/F
8
Edge detector
8
Interrupt source register
16
Request level setting register
IRQ
Request input
40
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