Chapter 4. Interrupt Controller
40
Extended Mode Register
IR1
7
6
5
4
3
2
1
0
Register:EMR
Master Address: 4D0h
IR0 (8)
Slave Address: 4D1h
IR3
IR4
IR0
IR2
Access: Read/Write
IR1 (9)
IR2 (10)
IR3 (11)
IR4 (12)
IR5 (13)
IR6 (14)
IR7 (15)
IR5
IR6
IR7
0 = Edge triggered
1 = Level triggered
0 = Edge triggered
1 = Level triggered
0 = Edge triggered
1 = Level triggered
0 = Edge triggered
1 = Level triggered
0 = Edge triggered
1 = Level triggered
0 = Edge triggered
1 = Level triggered
0 = Edge triggered
1 = Level triggered
0 = Edge triggered
1 = Level triggered
Extended Mode Register
ADDITIONAL INFORMATION
Refer to the
Ziatech Industrial Computer System Manual
for more information on the operating
system's use of the interrupt inputs. Refer to the Intel
Peripheral Components, 1995
data book for
more information on the 8259 interrupt controller operating modes.
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