MIPI SoundWire I3S Manager IP

Design IP

Overview

SmartDV’s MIPI SoundWire I3S Manager IP enables efficient, low-power, and high-fidelity audio data transfer for mobile, consumer, and automotive applications. Compliant with the MIPI SoundWire I3S (Inter-IC Sound) standards, it supports synchronized, multi-channel audio over a scalable two-wire interface, ideal for connecting digital microphones, amplifiers, and codecs in space-constrained designs.

Designed for flexibility, the IP core is highly configurable to meet specific design requirements, supporting both ASIC and FPGA implementations while optimizing for area, power, and performance.

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Benefits

Comprehensive Manager Functionality – Implements full MIPI SoundWire I3S Manager capabilities as defined in version v1.1 r02 draft specification.
Flexible PHY Support – Supports FBCSE for PHY1 and PHY2 and DLV for PHY3 mode, with dual-edge sampling for FBCSE operation.
High-Performance Data Handling – Enables low-latency, half-duplex transmission with Audio Payload Streams and efficient flow-controlled transport.
Versatile Encoding & Control – Supports NRZS and 8b/10b encodings along with a full command set including Ping, Read, Write, Commit, Announce, and CalibratePhy.
Advanced Power & Reset Management – Provides sleep/wake cycle management, cold-boot and wake-up requests, and supports multiple reset types including Bus, Cold, Warm, and Power-On Reset.
Configurable Integration – Allows connection of multiple data ports and channels with support for normal, source-controlled, sink-controlled, and sink-source-controlled transport flows.
Robust Register Handling – Includes Dual Ranked Register and Commit mechanisms ensuring reliable synchronization and state management.

Compliance and Compatibility

Fully compliant with MIPI SoundWire I3S version v1.1 r02 draft specification
Compatible with all major EDA synthesis, simulation, and linting flows

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