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Overview

SmartDV’s MIPI SoundWire Peripheral IP is a fully featured audio interface solution purpose-built for audio peripheral SoC designs requiring low-power, standards-compliant connectivity to a SoundWire manager in mobile, automotive, IoT, and consumer electronics applications. Fully compliant with MIPI SoundWire v1.3, it delivers complete peripheral-side SoundWire functionality with support for up to 8 data lanes and slave-to-slave transport, making it an ideal solution for smart microphones, amplifiers, and codec devices requiring scalable, multi-drop audio bus connectivity.

Designed for the practical integration requirements of modern audio peripheral designs, the IP features a configurable architecture covering PDI count, command FIFO depth, data lane count, and data port memories, alongside extensive clock gating, clearly demarcated clock domains, and a clock stopping mechanism for ultra-low standby power consumption. Its comprehensive error management suite covering parity, synchronization, and CRC errors, combined with collision detection for both message and data channels, makes it a robust and reliable peripheral implementation for production audio subsystem designs.

Built for design flexibility and silicon efficiency, the IP core is highly configurable for both ASIC and FPGA implementations, with a strong focus on area optimization, power management, and peak performance. Its parameterized architecture and clean host interface enable fast integration and confident design bring-up across a wide range of process nodes and audio peripheral applications.

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MIPI SoundWire Slave
Benefits
  • Full MIPI SoundWire Peripheral Functionality – Complete peripheral-side implementation per MIPI SoundWire v1.3 supporting up to 8 data lanes and slave-to-slave transport
  • Highly Configurable Architecture – Configurable PDI count, type, command FIFO depth, data lane count, and data port memories for flexible audio peripheral integration
  • Modified-NRZI Data Encoding – Standard SoundWire modified-NRZI encoding with bi-directional DATA line and unidirectional CLK line
  • Comprehensive Flow Control – Frame layer interleaving of Control and Data spaces in a Sub-frame with full flow control mechanism support
  • Full Message Type Support – All Core Message types supported with User Defined protocol support and limited retransmission for reliable message delivery
  • Advanced Error Management – Parity error, synchronization error, and CRC error detection with collision detection for both message and data channels
  • Power-Efficient Design – Extensive clock gating, clearly demarcated clock domains, and clock stopping mechanism for ultra-low standby power in mobile and IoT audio peripheral designs
  • Device Management – Full device enumeration, arbitration mechanism for port access, and special internal registers per device
Compliance and Compatibility
  • Fully compliant with MIPI SoundWire v1.3 specification
  • Configurable SoC interface supporting AMBA AXI, AHB, APB, and custom wrappers for seamless integration
  • Compatible with ASIC and FPGA design flows across leading foundry process nodes
  • Compatible with all major EDA synthesis, simulation, and linting flows

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