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CS5530A Datasheet(PDF) 142 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # CS5530A
Description  Geode CS5530A I/O Companion Multi-Function South Bridge
PDF  259 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

CS5530A Datasheet(HTML) 142 Page - National Semiconductor (TI)

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142
Revision 1.1
Register Descriptions (Continued)
4.2
REGISTER SUMMARY
The tables in this subsection summarize all the registers of
the CS5530A. Included in the tables are the register’s reset
values and page references where the bit formats are
found.
Table 4-2. Function 0: PCI Header and Bridge Configuration Registers Summary
F0 Index
Width
(Bits)
Type
Name
Reset
Value
Reference
(Table 4-15)
00h-01h
16
RO
Vendor Identification Register
1078h
Page 153
02h-03h
16
RO
Device Identification Register
0100h
Page 153
04h-05h
16
R/W
PCI Command Register
000Fh
Page 153
06h-07h
16
R/W
PCI Status Register
0280h
Page 154
08h
8
RO
Device Revision ID Register
xxh
Page 154
09h-0Bh
24
RO
PCI Class Code Register
060100h
Page 154
0Ch
8
R/W
PCI Cache Line Size Register
00h
Page 154
0Dh
8
R/W
PCI Latency Timer Register
00h
Page 154
0Eh
8
RO
PCI Header Type Register
80h
Page 154
0Fh
8
RO
PCI BIST Register
00h
Page 154
10h-1Fh
--
--
Reserved
xxh
Page 154
20h-3Fh
--
--
Reserved
00h
Page 154
40h
8
R/W
PCI Function Control Register 1
89h
Page 155
41h
8
R/W
PCI Function Control Register 2
10h
Page 155
42h
8
R/W
PCI Function Control Register 3
ACh
Page 155
43h
8
R/W
USB Shadow Register
03h
Page 156
44h
8
R/W
Reset Control Register
01h
Page 156
45h-4Fh
--
--
Reserved
00h
Page 156
50h
8
R/W
PIT Control/ISA CLK Divider
7Bh
Page 157
51h
8
R/W
ISA I/O Recovery Control Register
40h
Page 157
52h
8
R/W
ROM/AT Logic Control Register
F8h
Page 157
53h
8
R/W
Alternate CPU Support Register
00h
Page 157
54h-59h
--
--
Reserved
xxh
Page 158
5Ah
8
R/W
Decode Control Register 1
03h
Page 158
5Bh
8
R/W
Decode Control Register 2
20h
Page 158
5Ch
8
R/W
PCI Interrupt Steering Register 1
00h
Page 159
5Dh
8
R/W
PCI Interrupt Steering Register 2
00h
Page 159
5Eh-6Fh
--
--
Reserved
xxh
Page 159
70h-71h
16
R/W
General Purpose Chip Select Base Address Register
0000h
Page 159
72h
8
R/W
General Purpose Chip Select Control Register
00h
Page 159
73h-7Fh
--
--
Reserved
xxh
Page 159
80h
8
R/W
Power Management Enable Register 1
00h
Page 160
81h
8
R/W
Power Management Enable Register 2
00h
Page 161
82h
8
R/W
Power Management Enable Register 3
00h
Page 162
83h
8
R/W
Power Management Enable Register 4
00h
Page 163
84h
8
RO
Second Level Power Management Status Mirror Register 1
00h
Page 164
85h
8
RO
Second Level Power Management Status Mirror Register 2
00h
Page 165
86h
8
RO
Second Level Power Management Status Mirror Register 3
00h
Page 166
87h
8
RO
Second Level Power Management Status Mirror Register 4
00h
Page 167
88h
8
R/W
General Purpose Timer 1 Count Register
00h
Page 167
89h
8
R/W
General Purpose Timer 1 Control Register
00h
Page 168
8Ah
8
R/W
General Purpose Timer 2 Count Register
00h
Page 168
8Bh
8
R/W
General Purpose Timer 2 Control Register
00h
Page 169
8Ch
8
R/W
IRQ Speedup Timer Count Register
00h
Page 169
8Dh
8
R/W
Video Speedup Timer Count Register
00h
Page 169
8Eh
8
R/W
VGA Timer Count Register
00h
Page 169
8Fh
--
--
Reserved
xxh
Page 169



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