带触摸板控制器的编解码器

WM9712L 是一款高度集成的输入/输出器件，专为移动计算和通信而设计。此器件可以直接连接到 4 线或 5 线的触摸板、单声道或立体声麦克风、立体声耳机和单声道扬声器，从而减少系统中的组件数量。此外，还提供电话输入和输出引脚，以便与无线通信设备无缝集成。WM9712L 还提供多达四个辅助模数转换器 (ADC) 输入端以用于模拟测量（例如温度或光线），以及五个通用 I/O (GPIO) 引脚，用于连接按钮或其他数字设备。为了监测便携式系统的电池电压，WM9712L 有两个不受约束的比较器输入端。所有器件功能都可通过符合 AC97 标准的单一 AC-Link 接口进行访问和控制。此外，WM971 ·兼容 AC 97 版本 2.2 的立体声编解码器·数模转换器 (DAC) 信噪比 (SNR) 94 dB, 总谐波失真 (THD) –87 dB\n·模数转换器 (ADC) 信噪比 (SNR) 92 dB, 总谐波失真 (THD) –87 dB\n·可变速率音频，支持所有 WinCE 采样率\n·音调控制、低音增强和 3D 增强\n\n·片上 45 mW 耳机驱动器\n·片上 400 mW 单声道扬声器驱动器\n·立体声、单声道或差分麦克风输入·自动电平控制 (ALC)\n\n·辅助单声道数模转换器 (DAC)（生成铃声或直流电平）\n·与无线芯片组的无缝接口\n·电阻式触摸板接口·支持 4;

CirrusLogic

凌云逻辑

AC97 Audio and Touchpanel CODEC

DESCRIPTION The WM9712L is a highly integrated input / output device designed for mobile computing and communications. The device can connect directly to a 4-wire or 5-wire touchpanel, mono or stereo microphones, stereo headphones and a mono speaker, reducing total component count in the system

文件：725.94 Kbytes 页数：77 Pages

WOLFSONWolfson Microelectronics plc

欧胜欧胜微电子股份有限公司

AC97 Audio and Touchpanel CODEC

DESCRIPTION The WM9712L is a highly integrated input / output device designed for mobile computing and communications. The device can connect directly to a 4-wire or 5-wire touchpanel, mono or stereo microphones, stereo headphones and a mono speaker, reducing total component count in the system

文件：725.94 Kbytes 页数：77 Pages

WOLFSONWolfson Microelectronics plc

欧胜欧胜微电子股份有限公司

AC97 Audio and Touchpanel CODEC

DESCRIPTION The WM9712L is a highly integrated input / output device designed for mobile computing and communications. The device can connect directly to a 4-wire or 5-wire touchpanel, mono or stereo microphones, stereo headphones and a mono speaker, reducing total component count in the system

文件：725.94 Kbytes 页数：77 Pages

WOLFSONWolfson Microelectronics plc

欧胜欧胜微电子股份有限公司

AC97 Audio and Touchpanel CODEC

DESCRIPTION The WM9712L is a highly integrated input / output device designed for mobile computing and communications. The device can connect directly to a 4-wire or 5-wire touchpanel, mono or stereo microphones, stereo headphones and a mono speaker, reducing total component count in the system

文件：725.94 Kbytes 页数：77 Pages

WOLFSONWolfson Microelectronics plc

欧胜欧胜微电子股份有限公司

AC97 Audio and Touchpanel CODEC

DESCRIPTION The WM9712L is a highly integrated input / output device designed for mobile computing and communications. The device can connect directly to a 4-wire or 5-wire touchpanel, mono or stereo microphones, stereo headphones and a mono speaker, reducing total component count in the system

文件：725.94 Kbytes 页数：77 Pages

WOLFSONWolfson Microelectronics plc

欧胜欧胜微电子股份有限公司

AC??7 Audio and Touchpanel CODEC

文件：617.07 Kbytes 页数：78 Pages

WOLFSONWolfson Microelectronics plc

欧胜欧胜微电子股份有限公司

AC??7 Audio and Touchpanel CODEC

文件：617.07 Kbytes 页数：78 Pages

WOLFSONWolfson Microelectronics plc

欧胜欧胜微电子股份有限公司

AC??7 Audio and Touchpanel CODEC

文件：617.07 Kbytes 页数：78 Pages

WOLFSONWolfson Microelectronics plc

欧胜欧胜微电子股份有限公司

AC??7 Audio and Touchpanel CODEC

文件：617.07 Kbytes 页数：78 Pages

WOLFSONWolfson Microelectronics plc

欧胜欧胜微电子股份有限公司