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CS5530 数据表(PDF) 76 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 CS5530
功能描述  Geode??CS5530 I/O Companion Multi-Function South Bridge
PDF  241 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

CS5530 数据表(HTML) 76 Page - National Semiconductor (TI)

Back Button CS5530 Datasheet HTML 72Page - National Semiconductor (TI) CS5530 Datasheet HTML 73Page - National Semiconductor (TI) CS5530 Datasheet HTML 74Page - National Semiconductor (TI) CS5530 Datasheet HTML 75Page - National Semiconductor (TI) CS5530 Datasheet HTML 76Page - National Semiconductor (TI) CS5530 Datasheet HTML 77Page - National Semiconductor (TI) CS5530 Datasheet HTML 78Page - National Semiconductor (TI) CS5530 Datasheet HTML 79Page - National Semiconductor (TI) CS5530 Datasheet HTML 80Page - National Semiconductor (TI) Next Button
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76
Revision 4.1
Functional Description (Continued)
Figure 3-7. General Purpose Timer and UDEF Trap SMI Tree Example
SMI# Asserted
SMM software reads SMI Header
If Bit X = 0
(Internal SMI)
If Bit X = 1
(External SMI)
Call internal SMI handler
to take appropriate action
Geode™ CS5530
F1BAR+Memory
Read to Clear
to determine
top-level source
of SMI
F1BAR+Memory
Offset 06h
Read to Clear
Bits [15:10]
Bits [8:0]
Bit 9
GTMR_TRP_SMI
Offset 02h
Geode™
to determine
second-level
source of SMI
Bit 5
PCI_TRP_SMI
Bit 4
UDEF3_TRP_SMI
Bit 3
UDEF2_TRP_SMI
Bit 2
UDEF1_TRP_SMI
Bit 1
GPT2_SMI
Bit 0
GPT1_SMI
Take
Appropriate
Action
Other_SMI
Other_SMI
If bit 9 = 1,
Source of SMI
is GP Timer or UDEF Trap
Bits 15:6
RSVD
Top Level
Second Level
SMI Deasserted after all SMI Sources are Cleared
(i.e., Top and Second Levels - note some sources may have a Third Level)
GXLV
Processor



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