課件規(guī)格簡(jiǎn)介-v1

1、版本號(hào)：1.212017-7-181 目錄12目引2.1錄1言2編寫(xiě)目的22.22.3文檔范圍2術(shù)語(yǔ)和縮寫(xiě)詞2345方案規(guī)格介紹2版本歷史5. 6版本：1.21第 1 頁(yè)2 引言2.1 編寫(xiě)目的本文檔為方案的介紹性文檔，方便客戶了解方案的概況。2.2 文檔范圍本文檔會(huì)列出采用的主要硬件環(huán)境和主要的功能模塊以及方案主要特性。2.3 術(shù)語(yǔ)和縮寫(xiě)詞3 方案規(guī)格介紹1.方案名：US281A2.主：ATS2815 （QFN40）3.顯示支持：不支持?jǐn)?shù)碼管；支持分立 LED 燈，支持 1 路呼吸燈功能4.按鍵支持：7 鍵(Play, MODE, NEXT, PREV, VOL+, VOl-, TUNE)5

2、.音頻接口：AUX In 輸入、FM 輸入、MIC In；AOUTL/AOUTR6.外設(shè)接口：SD/MMC Card、UART TX/RX、TWI、USB Device、USB Host7.充電接口：不支持充電功能，需外帶充電 IC8.固件：SPI Nor flash器,程序可升級(jí)，支持最大 4Mbytes SPI Nor flash作為程序版本：1.21第 2 頁(yè)縮寫(xiě)和術(shù)語(yǔ)解 釋9.數(shù)據(jù)：支持 SPI Nor flash 作為數(shù)據(jù)，支持最大 16Mbytes SPI Nor flash10.聲藍(lán)牙音箱，即等設(shè)備可通過(guò)藍(lán)牙發(fā)送音樂(lè)到音箱（A2DP 1.3），支持支持SBC；支持TWS 藍(lán)牙推歌

3、11.支持音箱端通過(guò)藍(lán)牙控制等設(shè)備切換上下曲，調(diào)節(jié)音量，接/掛（AVRCP 1.6）12.支持藍(lán)牙免提（HFP 1.7），具有回聲消除和噪聲處理等功能；支持通話音量同步；支持語(yǔ)音、語(yǔ)音、SIRI 等語(yǔ)音助手；話號(hào)碼播報(bào)13.支持藍(lán)牙電池電量上報(bào)給，是否支持取決于，是支持的14.支持藍(lán)牙人機(jī)接口設(shè)備協(xié)議（HID 1.0，未過(guò) BQB 認(rèn)證）；支持拍照應(yīng)用場(chǎng)景；支持獨(dú)立 HID 藍(lán)牙應(yīng)用，擁有獨(dú)立的設(shè)備名字和設(shè)備地址15.支持藍(lán)牙：插卡播歌/插 U 播歌/內(nèi)置磁盤(pán)播歌/AUX/FM/這 6 個(gè)應(yīng)用支持藍(lán)牙16.SD/MMC Card 上的音樂(lè)， 音樂(lè)格式有： MP3,WAV,FLAC ； 支持支持

4、SD/MMC/SDHC17.U 盤(pán)上的音樂(lè)，音樂(lè)格式有：MP3,WAV,FLAC；支持協(xié)議版本為 USB OTG支持1.118.支持內(nèi)置磁盤(pán)（SPI Nor Flash）上的歌曲，音樂(lè)格式有：MP3,WAV,FLAC；支持最大 16Mbytes 容量的SPI Nor flash19.支持 FAT16 、FAT32 、ExFAT/Fat64 文件系統(tǒng)；支持 8 級(jí)子目錄；支持單目錄下音樂(lè)文件總數(shù)最多 999920.支持 AUX 輸入，但是由于 IC只有一路 ADC，方案的解決方案是這樣的：a)如果需要支持淡入淡出、PEQ 調(diào)節(jié)、能量檢測(cè)、音量調(diào)節(jié)等數(shù)字功能，則需要使用 ICADC，這樣會(huì)在 AD

5、C 前端進(jìn)行左右聲道混合，所以做不到真正的聲，雙喇叭方案無(wú)法完美支持b)如果一定要真正的聲，那么只能使用 AIN-PA 直通的方案，但是這種方式無(wú)法支持淡入淡出、PEQ 調(diào)節(jié)、能量檢測(cè)、音量調(diào)節(jié)等數(shù)字功能21.支持 FM 收音機(jī)，支持自動(dòng)搜臺(tái)和半自動(dòng)搜臺(tái)，支持最多 40 個(gè)的預(yù)存電臺(tái)列表22.支持功能；支持 USB1.1版本：1.21第 3 頁(yè)23.支持USB 音箱；支持 USB 1.1；支持 USB HID 切換上下曲/暫停/調(diào)音量24.支持音箱狀態(tài)播報(bào)，可各種音箱狀態(tài)并可根據(jù)用戶需求修改播報(bào)語(yǔ)言；25.支持按鍵音提示，按鍵音是，可選頻率和周期數(shù)26.支持固件加密27.支持 USB 連接到電

6、腦進(jìn)行固件升級(jí)/量產(chǎn)28.支持 32 級(jí)音量調(diào)節(jié)29.支持播歌后處理，包括 PEQ（14 段）、限幅器、聲道交換或合并、淡入淡出等；支持最多 10 頻點(diǎn)的能量頻譜30.藍(lán)牙通話支持PEQ 和淡入淡出等31.支持總/平均能量獲取，支持低能量檢測(cè)，包括藍(lán)牙推歌、PCM播歌（AUX/FM/USBAudio）、本地播歌版本：1.21第 4 頁(yè)4 版本歷史版本：1.21第 5 頁(yè)日期版本號(hào)注釋作者2016-10-211.0建立初始版本2016-12-51.01更正和補(bǔ)充 AUX 規(guī)格說(shuō)明2017-2-101.10補(bǔ)充插 U 播歌、FM、USB Audio 等功能2017-7-181.21補(bǔ)充 TWS、紅

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