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PCI Express South Bridge Chip
Product OverviewFeaturing PCI Express, the newest high-performance and low-cost I/O interconnect architecture, the M1573 is the highest integration south bridge solution between PCI-Express Link bus, PCI bus, and peripheral buses for personal computer systems.
The M1573 integrates a High Definition (HD) Audio/AC'97 Host Controller, 2-channel dedicated Ultra-66/100/133 IDE Master controller, SATA Host Controller, USB 2.0/1.1 Host controllers, IO APIC controller, as well as 1/10/100 Mb/s Fast Ethernet MAC layer and PCI Express interface. Additional features include Host Signal Processing (HSP) software modem solution, ACPI support, green function, and Real Time Clock.
The built-in SATA host controller supports up-to 4 SATA ports; each supports SATA 1.0, 1.5Gbps data rate, SATA II feature and AHCI.
The built-in Audio solution in the M1573 is an advanced PCI HSP audio controller with Scatter-gathering DMA fully supported. The M1573 Audio is compliant with standard AC'97 and its successor HD Audio. 6 audio playback channels for PCM_out L/R, Surr L/R, Center and LFE, dual PCM inputs and dual microphone inputs are supported on AC-Link, while 6 independent output streams and 5 input streams are supported on HD Audio Link.
Each HD Audio stream can have 8/16/24/32-bit samples at rate from 8kHz to 192kHz, with channel numbers from 1 to 16.
The 100BASE-TX/10Base-T Fast Ethernet MAC is fully compliant with PCI Spec. 2.3 and IEEE802.3u. The MAC provides a direct interface to the PCI local bus and direct connection to the PHY/transceiver via MII/RMII interface. As a controller, it is bus master capable. The MAC also supports auto-negotiation function that enables it to detect speed and duplex automatically. The MAC provides the Power Management capability that is compliant with the Network Device Class Power Management Specifications Rev 1.1, ACPI Specifications Rev 2.0, and the PCI Bus Power Management Interface Specifications 1.1. In addition, it can support remote wake-up capability to power up a remote sleeping station on the network.
The M1573 also provides the best power management solution. The M1573 incorporates ACPI support, deep green function, and 2-channel Ultra DMA-33/66/100/133 IDE bus master controller, all into one 31mmx31mm BGA (Ball Grid Array) chip.
High Integration South Bridge
PCI Express Interface
Provides Steerable PCI Interrupts for PCI Device Plug-and-Play
Serial ATA Host Controller
Enhanced DMA Controller
Serialized IRQ Supported
Build-in Real Time Clock
Low Pin Count (LPC Rev1.1) Interface
HD Audio Controller
Software Modem Interface
Provides AC'97 2.3 compliant digital controller interface for third parties (such as the AMC Codec's vendor) to enable the software modem solution.
1/10/100 Mb/s Fast Ethernet MAC
628-Ball (31mmx 31mm) BGA Package