ASM1083

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ASM1083

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  • メーカーASMedia技術

  • メーカー品番 #ASM1083

  • 在庫状況6225

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仕様

属性
Manufacturer ASMedia Tech
Package LQFP-128

概要

Description

The ASM1083 is a PCIe-to-PCI bridge chip developed by ASMedia. It enables legacy PCI devices to connect to modern systems with PCIe slots, ensuring backward compatibility. Key features include:
- PCIe 1.1 x1 to PCI 2.3 conversion.
- Supports 32-bit, 33/66MHz PCI devices.
- Low power consumption and plug-and-play functionality.
Commonly used in expansion cards, industrial PCs, and legacy hardware integration, the ASM1083 simplifies transitions to newer platforms while retaining support for older PCI peripherals. Its compact design and reliability make it a popular choice for bridging connectivity gaps in mixed-architecture systems.
For detailed specifications, refer to ASMedia’s datasheet.

Equivalent

The ASM1083 is a PCI-to-PCI bridge chip. Equivalent alternatives include:
- PLX Technology's PCI6150
- Pericom PI7C9X130
- TI XIO2001
These chips offer similar PCI bridging functionality, though pin compatibility may vary. Check datasheets for exact specifications.

Features

The ASM1083 is a PCI-to-PCI bridge chip by ASMedia, offering the following key features:
- PCIe 1.1 Compliance: Supports PCI Express 1.1 (2.5 GT/s) for backward compatibility.
- Dual-Port Bridge: Enables two downstream PCIe ports from a single upstream port.
- Low Power: Optimized for energy efficiency in embedded and consumer applications.
- Hot-Plug Support: Facilitates dynamic device connection/disconnection.
- Advanced Error Handling: Includes ECRC and PCIe error reporting.
- Compact Package: Available in a small 128-pin LQFP form factor.
- Legacy PCI Support: Integrates PCI 2.3 compatibility for mixed systems.
Ideal for expanding PCIe connectivity in motherboards, industrial PCs, and embedded systems.

Pinout

The ASM1083 is a PCI-to-PCI bridge chip by ASMedia. It features 128 pins (typically in a TQFP package) and provides the following key functions:
1. PCI-to-PCI Bridging: Connects two PCI buses, enabling expansion slots.
2. 32-bit, 33/66 MHz Support: Compatible with standard PCI speeds.
3. Transparent Mode: Allows seamless communication between primary and secondary buses.
4. Configuration Registers: Supports PCI configuration space for device enumeration.
5. Low Power Consumption: Optimized for energy efficiency.
It is commonly used in motherboards and add-on cards to extend PCI connectivity.

Manufacturer

The ASM1083 is a PCI-to-PCI bridge chip manufactured by ASMedia Technology Inc., a Taiwanese company specializing in high-speed interface ICs. Founded in 2004, ASMedia is known for its USB, PCIe, and other connectivity solutions, often serving as a second-source supplier to larger firms like AMD and Intel. The company focuses on cost-effective, high-performance chips for motherboards, peripherals, and embedded systems. The ASM1083, though older, was widely used for legacy PCI support in modern systems. ASMedia is a fabless semiconductor company, meaning it designs chips but outsources manufacturing.

Package

The ASM1083 is a PCIe-to-PCI bridge chip by ASMedia. It typically comes in a 128-pin LQFP (Low-Profile Quad Flat Package). This package type is surface-mounted, compact, and suitable for bridging applications in various embedded and expansion systems. The LQFP design ensures efficient heat dissipation and reliable connectivity for PCI/PCIe signal conversion.

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