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PC87373 数据表(PDF) 38 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 PC87373
功能描述  LPC SuperI/O with Glue Functions
PDF  174 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

PC87373 数据表(HTML) 38 Page - National Semiconductor (TI)

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3.0 Device Architecture and Configuration (Continued)
38
www.national.com
Revision 1.1
3.2.4
Standard Configuration Registers
Figure 6. Configuration Register Map
SuperI/O Configuration Registers
The PC87373 configuration registers at indexes 20h (SuperI/O ID) and 27h (SuperI/O Revision ID) are used for part identi-
fication. The other configuration registers are used for global power management and selecting pin multiplexing options. For
details, see Section 3.7 on page 43.
Logical Device Control and Configuration Registers
A subset of these registers is implemented for each logical device. See functional block descriptions in the following sections.
Table 14. Special Logical Device Configuration Registers
Index
Register Name
Description
F0h-FFh
Logical Device
Configuration
Special (vendor-defined) configuration options.
SuperI/O
Configuration Registers
Logical Device Control and
one per Logical Device
Configuration Registers -
Index
Register Name
07h
Logical Device Number
20h
SuperI/O ID
21h
SuperI/O Configuration 1
22h
SuperI/O Configuration 2
23h
SuperI/O Configuration 3
24h
SuperI/O Configuration 4
25h
Reserved
26h
SuperI/O Configuration 6
27h
SuperI/O Revision ID
28h
Reserved
29h
Clock Generator Control
2Ah-2Fh
Reserved exclusively for National use
30h
Logical Device Control (Activate)
60h
I/O Base Address Descriptor 0 Bits 15-8
61h
I/O Base Address Descriptor 0 Bits 7-0
62h
I/O Base Address Descriptor 1 Bits 15-8
63h
I/O Base Address Descriptor 1 Bits 7-0
70h
Interrupt Number and Wake-Up on IRQ Enable
71h
IRQ Type Select
74h
DMA Channel Select 0
75h
DMA Channel Select 1
F0h-FFh
Vendor-Defined Logical Device Configuration
(some are optional)



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