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30150-33 Datasheet(PDF) 11 Page - National Semiconductor (TI) |
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30150-33 Datasheet(HTML) 11 Page - National Semiconductor (TI) |
11 / 244 page Revision 3.1 11 www.national.com Architecture Overview (Continued) 1.6 GEODE GXM/CS5530 SYSTEM DESIGNS The GXm Integrated Subsystem with MMX support con- sists of two chips, the GXm Processor and the CS5530 I/O companion. The subsystem provides high perfor- mance using 32-bit x86 processing. The two chips inte- grate video, audio and memory interface functions normally performed by external hardware. As described in separate manuals, the CS5530 enables the full features of the GXm processor with MMX support. These features include full VGA and VESA video, 16-bit stereo sound, IDE interface, ISA interface, SMM power management, and AT compatibility logic. In addition, the newer CS5530 provides an Ultra DMA/33 interface, MPEG2 assist, and AC97 Version 2.0 compliant audio. Figure 1-2 shows a basic block system diagram (refer to Figure 2-4 on page 34 for detailed subsystem intercon- nection signals). It includes the National Semiconductor CS9210 Dual-Scan Flat Panel Display Controller for designs that need to interface to a DSTN panel (instead of TFT panel). Figure 1-2. Geode™ GXm/CS5530 System Block Diagram YUV Port (Video) RGB Port PCI Interface SDRAM MD[63:0] PCI Bus Geode™ CS5530 I/O Companion Graphics Data Video Data Analog RGB Digital RGB (to TFT or DSTN Panel) CRT TFT Panel USB (2 Ports) AC97 Codec Speakers CD ROM Audio Micro- phone GPIO Port (Graphics) Super ISA Bus SDRAM Serial Packet Clocks I/O BIOS IDE Devices 14.31818 MHz Crystal IDE Control System Clocks DC-DC & Battery CS9210 DSTN Controller DSTN Panel Geode™ GXm Processor Geode™ |
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