Reference design serves Lunar Lake CPU
Cirrus Logic, Intel, and Microsoft are developing a reference design that teams Intel’s forthcoming Lunar Lake processor with Cirrus audio and power devices. The reference platform will help developers create more immersive audio for laptop PCs, while reducing heat generation and extending battery life to enable smaller, thinner designs.
Claiming to bring best-in-class audio to more PCs, the reference design employs the Cirrus Logic CS42L43 SmartHIFI codec, CS35L56 audio amplifier, and CP9314 switched-capacitor power converter. The codec and audio amplifiers deliver louder bass, clearer voice, and lower distortion to both the speaker and the headset. The power converter promises to reduce power and heat, as well as fan noise.
In addition, the audio design will assist with the transition to the MIPI SoundWire interface and Microsoft’s ACX (audio class extension) framework. Along with built-in security features, the design supports next-generation features like spatial audio. It is scalable across different processors, speakers, and notebook designs, allowing OEMs to implement audio subsystems that scale in channel count and features.
Intel’s Lunar Lake processor for portable PCs is expected to launch later this year.
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