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CS5530 Arkusz danych(PDF) 1 Page - National Semiconductor (TI) |
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CS5530 Arkusz danych(HTML) 1 Page - National Semiconductor (TI) |
1 / 241 page © 2000 National Semiconductor Corporation www.national.com April 2000 Geode™ CS5530 I/O Companion Multi-Function South Bridge General Description The CS5530 I/O companion is designed to work in con- junction with the GXLV and GXm series processors; all members of the National Semiconductor® Geode™ family of products. Together the Geode processor and CS5530 provide a system-level solution well suited for the high performance needs of a host of devices such as digital set-top boxes and thin client devices. Due to the low power consumption of a GXLV processor, this solution satisfies the needs of battery powered devices such as National’s WebPAD™ system, a Geode GXLV proces- sor/CS5530 based design. Also, thermal design is eased allowing for fanless system design. The CS5530 I/O companion is a PCI-to-ISA bridge (South Bridge), ACPI-compliant chipset that provides AT/ISA style functionality. To those familiar with PC architecture this enables a quicker understanding of the CS5530’s architecture. The device contains state-of-the-art power management that enables systems, especially battery powered systems, to significantly reduce power consump- tion. Audio is supported through PCI bus master engines which connect to an AC97 compatible codec such as the National Semiconductor LM4548. If industry standard audio is required, a combination of hardware and software called Virtual System Architecture® (VSA™) technology is provided. The GXLV processor’s graphics/video output is connected to the CS5530. The CS5530 graphics/video support includes a PLL that generates the DOT clock for the GXLV processor (where the graphics controller is located), video acceleration hardware, gamma RAM plus three DACs for RGB output to CRT, and digital RGB that can be directly connected to TFT panels or NTSC/PAL encoders. The digital RGB output can also be connected to the National Semiconductor CS9210 Graphics Companion (a DSTN Controller) for DSTN panel support. The CS9210 is also a member of the Geode product family. Geode™ CS5530 Internal Block Diagram X-Bus ISA Bus PCI Bus USB PCI to X-Bus / X-Bus to PCI Bridge PCI to USB Macro Active Decode Address Mapper Audio/Codec/MPU Interface Pwr Mgmt, Traps, Events, and Timers IDE Interface Display Interface MPEG, DOT Clock CSC and SCL RGB/FP Interface AT Compatibility Logic ISA Bus Interface AT Ports, ISA Megacells Display PCI Configuration Registers Graphics and Video from CPU X-Bus Arbiter CS5530 Support GPIOs IDE AC97 Codec Ultra DMA/33 (e.g., LM4548) Joystick / Game Port Joystick PC97317 SIO GPCS Geode™ CS9210 Graphics Companion National Semiconductor and Virtual System Architecture are registered trademarks of National Semiconductor Corporation. Geode, VSA, and WebPAD are trademarks of National Semiconductor Corporation. For a complete listing of National Semiconductor trademarks, please visit www.national.com/trademarks. |
Podobny numer części - CS5530 |
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Podobny opis - CS5530 |
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