低压差现性稳压器设计，高电源抑制比，比较基础的。-High-PSR-Bandwidth Capacitor-Free LDO Regulator with 50μA Minimized Load Current Requirement for Achieving High Efficiency at Light Loads

TEL7022程序，TXT。TEL7022程序TEL7022程序(USB 2.0 Full-Speed compliant supported USB Audio Class 1.0
16/24 bit Resolutions supported
8/16/32/44.1/48/96 KHz sampling rates supported
2-input channels and 2-output channels supported by one I2S pairs

该模块主要用于短距离的音乐传输，可以方便地和笔记本电脑，手机， PAD 等数码产品的蓝牙设备连接，实现音乐的无线传输。如： 蓝牙音响 蓝牙耳机 蓝牙无线传输音频 蓝牙免提电话(13 PO1 Digital GPIO, default pull-high input FWD key 14 P04 Digital GPIO, default pull-high input. MUTE I/O or NFC detection pin 15 GND Power Ground 1