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82374EB Datasheet(PDF) 152 Page - Intel Corporation

Part # 82374EB
Description  SYSTEM COMPONENT (ESC)
PDF  208 Pages
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Manufacturer  INTEL [Intel Corporation]
Direct Link  http://www.intel.com
Logo INTEL - Intel Corporation

82374EB Datasheet(HTML) 152 Page - Intel Corporation

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82374EB82374SB
290476 – 82
Figure 19 Block Diagram of the Interrupt Controller
Table 23 lists the IO port address map for the interrupt registers
Table 23 IO Address Map
Interrupts
IO Address
of bits
Register
IRQ 70
0020h
8
CNTRL-1 Control Register
IRQ 70
0021h
8
CNTRL-1 Mask Register
IRQ 70
04D0h
8
CNTRL-1 EdgeLevel Control Register
IRQ 158
00A0h
8
CNTRL-2 Control Register
IRQ 158
00A1h
8
CNTRL-2 Mask Register
IRQ 158
04D1h
8
CNTRL-2 EdgeLevel Control Register
IRQ0 and IRQ2 are connected to the interrupt controllers internally The other interrupts are always generated
externally IRQ12 and IRQ13 may be generated internally through the ABFULL and FERR
signals respec-
tively
152



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