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WM9705

Wolfson Microelectronics plc
Part Number WM9705
Manufacturer Wolfson Microelectronics plc
Description Multimedia AC97 CODEC with Integrated Touch Screen Controller
Published Apr 17, 2005
Detailed Description WM9705 Multimedia AC’97 CODEC with Integrated Touch Screen Controller DESCRIPTION The WM9705 is a high-quality stereo au...
Datasheet PDF File WM9705 PDF File

WM9705
WM9705

Overview
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.
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 transfer of control data and DAC and ADC words to and from the AC’97 controller.
The WM97...


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