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WM9705 - Multimedia AC97 CODEC with Integrated Touch Screen Controller

Description

The WM9705 is a high-quality stereo audio codec with an integrated touch screen controller.

The audio section is compliant with the Intel AC’97 Rev 2.2 specification.

Features

  • include 3D sound enhancement, line-level outputs, stereo buffered headphone outputs, hardware sample rate conversion, primary/secondary mode operation and S/PDIF output. Headphone auto-detect, I2S output and headphone buffer on the mono output are included. Additionally, the WM9705 integrates a complete 4-wire touch screen controller, including on-chip screen drivers, pen-down detection feature, and pressure measurement capability. A 5-pin digital bi-directional AC-Link serial interface allows t.

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Datasheet Details

Part number WM9705
Manufacturer Wolfson Microelectronics plc
File Size 496.87 KB
Description Multimedia AC97 CODEC with Integrated Touch Screen Controller
Datasheet download datasheet WM9705 Datasheet

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Full PDF Text Transcription

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WM9705 Multimedia AC’97 CODEC with Integrated Touch Screen Controller DESCRIPTION The WM9705 is a high-quality stereo audio codec with an integrated touch screen controller. The audio section is compliant with the Intel AC’97 Rev 2.2 specification. It performs full-duplex 18-bit codec functions and supports variable sample rates from 8 to 48k samples/s with high signal to noise ratio. Optional AC’97 features include 3D sound enhancement, line-level outputs, stereo buffered headphone outputs, hardware sample rate conversion, primary/secondary mode operation and S/PDIF output. Headphone auto-detect, I2S output and headphone buffer on the mono output are included.
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