AN983X-AH-T-21

Overview

The AN983X-AH-T-21 is a broadband access system-on-chip (SoC) designed for high-performance digital subscriber line (DSL) applications. It integrates a MIPS-based processor core with specialized hardware accelerators for DSL modem functions, including V.90/V.92 voice and data capabilities. The device supports ADSL2+ and ADSL2 standards, providing integrated Ethernet switching and routing features suitable for residential gateways and small office/home office (SOHO) environments. Key technical specifications include support for multiple physical layer interfaces and comprehensive quality of service (QoS) management to ensure efficient bandwidth utilization across voice and data services.

Feature Summary

• Integrated DSL modem functionality supporting ADSL2+ and ADSL2 standards
• Built-in MIPS processor core for control plane processing
• Hardware acceleration for encryption and packet processing
• Integrated Ethernet switch with QoS capabilities

Applications

• Residential ADSL2+ gateways
• Small office/home office (SOHO) routers
• Voice over IP (VoIP) terminals with DSL connectivity
• Broadband access nodes requiring integrated switching

Procurement Notes

Verify the specific suffix 'AH-T-21' against official Lantiq or Intel semiconductor documentation to confirm package type, temperature range, and lead-free status. Ensure compatibility with existing board designs regarding pinout and power requirements. Cross-reference with current product lifecycle status as older SoCs may be subject to discontinuation notices.

Selection Notes

Select this component when designing systems requiring integrated ADSL2+ modem and Ethernet switching in a single chip. Consider the MIPS architecture for software development resources and verify peripheral availability such as USB or POTS interfaces if required by the target application. Evaluate thermal performance based on the intended operating environment.

Part Context

This part belongs to the Lantiq (formerly Infineon) xASL family of broadband processors. These chips were widely used in the mid-to-late 2000s for ADSL2+ gateway solutions. The AN983X series represents a specific generation of these SoCs, often succeeded by newer generations like the Danube or VRX200 series which offer enhanced performance and additional interface options.

Replacement Considerations

Direct replacements are limited due to the age of the technology. Potential alternatives include newer Lantiq/Intel SoCs such as the VRX200 series or XWAY products, though these require significant hardware and software redesign. Check for obsolescence notices from Intel Semiconductor.