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PC87393F Datasheet(PDF) 71 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC87393F
Description  100-Pin LPC SuperI/O Devices for Portable Applications
PDF  148 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87393F Datasheet(HTML) 71 Page - National Semiconductor (TI)

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2.0 Device Architecture and Configuration (Continued)
71
www.national.com
2.19.12 X-Bus PIRQA and PIRQB Mapping Register
This set of registers defines the mapping of the PIRQA and PIRQB signals.
Location:
Index F8h
Type:
R/W
2.19.13 X-Bus PIRQC and PIRQD Mapping Register
This set of registers defines the mapping of the PIRQC and PIRQD signals.
Location:
Index F9h
Type:
R/W
Bit
76543210
Name
PIRQB Mapping
PIRQA Mapping
Reset
00000000
Bit
Description
7-4
PIRQB Mapping. Defines to which host IRQ the PIRQB input is routed.
Bits
Function
3 2 1 0
0000
IRQ Disabled (default)
0001
IRQ1
...
1 1 1 1
IRQ 15
3-0
PIRQA Mapping. Defines to which host IRQ the PIRQA input is routed.
Bits
Function
3 2 1 0
0000
IRQ Disabled (default)
0001
IRQ1
...
1 1 1 1
IRQ 15
Bit
76543210
Name
PIRQD Mapping
PIRQC Mapping
Reset
00000000
Bit
Description
7-4
PIRQD Mapping. Defines to which host IRQ the PIRQD input is routed.
Bits
Function
3 2 1 0
0000
IRQ Disabled (default)
0001
IRQ1
...
1 1 1 1
IRQ 15
3-0
PIRQC Mapping. Defines to which host IRQ the PIRQC input is routed.
Bits
Function
3 2 1 0
0000
IRQ Disabled (default)
0001
IRQ1
...
1 1 1 1
IRQ 15



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