HS6760-应用手册-V2.1

HS6760应用手册HuntersunConfidential.5F,HuizhongTower1,No.1ShangDi7thStreet,HaiDianDistrict,Beijing,P.R.China1/20HS6760应用手册Version2.0WangTong11/2/16HS6760应用手册HuntersunConfidential.5F,HuizhongTower1,No.1ShangDi7thStreet,HaiDianDistrict,Beijing,P.R.China2/20更改记录Version/DateAuthorModificationV1.0:06/07/2016王同创建V1.1:06/23/2016王同改正一些性能指标参数增加不同频段的天线匹配网络V1.2:06/23/2016王同改正I2C时序图初始化代码中加入了对A1版几个寄存器的配置增加了FCC认证时1KHz音频输入要求V1.3:07/08/2016王同更新A3版性能参数V1.4:07/14/2016王同增加了芯片工作模式选择函数,见4.5节V1.5:07/20/2016肖金红更新音频输入幅值大导致音频失真的问题V1.6:09/18/2016肖金红更新手机应用问题V2.0:09/21/2016王同更新软件设计部分，添加软件SDKV2.1:11/02/2016王同SDK更新，在原来的基础上增加了读取chips_Id和设置AudioPGA的功能。HS6760应用手册HuntersunConfidential.5F,HuizhongTower1,No.1ShangDi7thStreet,HaiDianDistrict,Beijing,P.R.China3/20目录1文档说明.....................................................................................................................................................42HS6760芯片简介...................................................................................................................................53HS6760硬件设计...................................................................................................................................63.1原理图设计..........................................................................................................................................63.1.1带MCU的应用...........................................................................................................................63.1.2免MCU的应用...........................................................................................................................63.1.3天线匹配网络..............................................................................................................................73.1.4过FCC/CE认证电路.................................................................................................................83.2PCB设计.............................................................................................................................................84HS6760软件设计...................................................................................................................................94.1控制接口总线......................................................................................................................................94.2复位及初始化（Reset&Initial）..................................................................................................114.3设置频点（SetFrequency）......................................................................................................124.4设置功率（SetPower）...............................................................................................................134.5设置工作模式（Setmode）........................................................................................................144.6调制频偏设置（Setfrequencydeviation）............................................................................144.7立体声/单声道设置（Stereo/mono）.......................................................................................154.8读取芯片ID号（readchipsID）..............................................................................................154.9设置AudioPGA增益（SetPGAGain）.................................................................................155HS6760认证测试................................................................................................................................175.1功率设置...........................................................................................................................................175.2频偏设置...........................................................................................................................................185.3音频输入...........................................................................................................................................186手机应用..................................................................................................................................................19HS6760应用手册HuntersunConfidential.5F,HuizhongTower1,No.1ShangDi7thStreet,HaiDianDistrict,Beijing,P.R.China4/201文档说明1、本文档为HS6760芯片应用指导，包括硬件设计，软件设计，FCC/CE认证测试等。2、更多信息请阅读《HS6760_DataSheet》、《HS6760产品手册》。HS6760应用手册HuntersunConfidential.5F,HuizhongTower1,No.1ShangDi7thStreet,HaiDianDistrict,Beijing,P.R.China5/202HS6760芯片简介HS6760是一款高性能立体声调频发射芯片。HS6760支持MCU控制模式和免MCU模式，是一个低成本无线系统解决方案。可以满足手机和其他手持电子产品客户用调频信号来传输音频的需求。芯片特点：音频输入：支持line-in输入和直接MIC输入内置VGA可调增益(-6~24dB@3dB/step)FM发射性能：支持单声道和立体声，不支持RDSFM频率：27~125MHz；频率步进：最小支持50kHz；50us，75us预加重可选；调制频偏：75kHz/50kHz/22.5kHz三种可选发射信噪比≥60dB(立体声)；输入参考时钟支持7.6MHz/12MHz/24MH三种晶振发射功率：外接电感情况下10dBm;支持天线调谐针对非50欧姆的天线支持阻抗变换得到更高的发射功率电池输入：2.2-4.2V；支持2节/3节干电池和锂电池免MCU发射功能；（选择12MHz晶体）通过外部电阻实现8档调台可以选择单声道或立体声寄存器接口：标准两线I2C接口，支持免MCU应用（复用SDA，SCK）SSOP-10封装和MSOP-10封装典型应用：◆车载FM发射传音棒玩具对讲机无线mic（导游）婴儿监听HuntersunconfidentialHuntersunConfidential.5F,HuizhongTower1,No.1ShangDi7thStreet,HaiDianDistrict,Beijing,P.R.China6/203HS6760硬件设计本章描述了基于HS6760的硬件设计，主要由两部分内容组成：原理图设计和PCB设