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PC87413 датащи(PDF) 110 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали PC87413
подробное описание детали  LPC ServerI/O for Servers and Workstations
PDF  257 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87413 датащи(HTML) 110 Page - National Semiconductor (TI)

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5.0 X-Bus Extension (Continued)
www.national.com
110
Revision1.2
5.4.4
X-Bus IRQ Configuration Register (XIRQC)
This register defines the functionality of the XIRQ signal.
Power Well:VSB
Location:Offset 04h
Type:
R/W
Table 32. Serial IRQ vs. XIRQ Polarity
Bit
76543210
Name
Reserved
IRQPOLINV
IRQEN
IRQPOL
PWUREN
Reset
00000000
Bit
Description
7-4
Reserved.
3
IRQPOLINV (IRQ Polarity Inversion). This bit controls the polarity of the IRQ signal sent through the IRQ
Serializer (see Table 32). This bit is reset to ‘0’.
2
IRQEN (IRQ Enable). When this bit is set, it enables the interrupt. The bit is ignored when the IRQ is mapped
to zero (see Section 3.2.3 on page 40).
0:
Disabled (default)
1:
Enabled
1
IRQPOL (IRQ Polarity). This bit specifies the active level of the incoming IRQ signal.
0:
Active low (default)
1:
Active high
0
PWUREN (Power-Up Request Enable). When this bit is set, an XIRQ event is routed to the Modules IRQ
Wake-Up Event (bit MOD_IRQ_STS in the GPE1_STS_3 register; see Section 9.4.11 on page 211).
0:
Disabled (default)
1:
Enabled
IRQPOLINV
IRQPOL
Serial IRQ
0
0
XIRQ
01
XIRQ
10
XIRQ
1
1
XIRQ



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