MB91F376G Fujitsu Components, MB91F376G Datasheet - Page 141

• Manufacturer Part Number: MB91F376G
• Manufacturer: Fujitsu Components

Specifications of MB91F376G

• Lead Free Status / Rohs Status: Not Compliant

13. External Interrupt/NMI Control Block
(1) Register configuration of the external interrupt NMI controller
(2) Block diagram
The external interrupt/NMI controller controls external interrupt requests input from the NMIX and INT0 to INT7
pins.
Detection of “H” levels, “L” levels, rising edges, or falling edges can be selected (except for the NMI) .
The external interrupt/NMI controller can also be used for DMA requests.
This section lists the registers of the controller and provides its block diagram.
External interruption permission register (ENIR)
External interruption factors register (EIRR)
Request level setting register (ELVR)
Interrupt request
R-bus
8
9
8
8
Bit
Bit
Bit
Bit
Gate
Enable interrupt request register
External interrupt request register
EN7
ER7
LB7
LB3
15
15
7
7
External level register
EN6
ER6
LA7
LA3
Request F/F
14
14
6
6
EN5
ER5
LB6
LB2
13
13
5
5
EN4
ER4
LA6
LA2
12
12
4
4
Edge detect
EN3
ER3
LB5
LB1
circuit
11
11
3
3
MB91360G Series
EN2
ER2
LA5
LA1
10
10
2
2
EN1
ER1
LB4
LB0
9
1
9
9
1
EN0
ER0
LA4
LA0
0
8
8
0
INT0 to 7
NMIX
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