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CS5530 Datasheet(PDF) 11 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # CS5530
Description  Geode??CS5530 I/O Companion Multi-Function South Bridge
PDF  241 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

CS5530 Datasheet(HTML) 11 Page - National Semiconductor (TI)

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Revision 4.1
11
www.national.com
Architecture Overview (Continued)
1.10 PROCESSOR SUPPORT
The traditional south bridge functionality included in the
CS5530 I/O companion chip has been designed to sup-
port the GXLV processor. When combined with the GXLV
processor, the CS5530 provides a bridge which supports
a standard ISA bus and system ROM. As part of the video
subsystem, the CS5530 provides MPEG video accelera-
tion and a digital RGB interface, to allow direct connection
to TFT LCD panels. This chip also integrates a gamma
RAM and three DACs, allowing for direct connection of a
CRT monitor. Figure 1-5 shows a typical system block dia-
gram.
For detailed information regarding processor signal con-
nections refer to Section 3.1 “Processor Interface” on
page 41.
Figure 1-5. System Block Diagram
YUV Port
(Video)
RGB Port
PCI Interface
Memory
Memory Data Bus
PCI Bus
Geode™ CS5530
I/O Companion
Graphics Data
Video Data
Analog RGB
Digital RGB
CRT
TFT
Flat Panel
USB
(2 Ports)
AC97
Codec
Speakers
CD
ROM
Audio
Micro-
phone
GPIOs
Port
(Graphics)
Geode™ GXLV
IDE Devices
SuperI/O
BIOS
ISA Bus
Ultra DMA/33 IDE Bus
Memory
Serial
Packet
DC-DC
&
Battery
Clocks
or TV
NTSC/PAL
Encoder
Processor



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