兆易创新(GD)SPI NOR Flash 在TWS耳机上应用，静态电流低至1uA，容量有512Kbit-512Mbit
TWS(True Wireless Stereo, 真无线立体声)蓝牙耳机，它借助蓝牙芯片，先将手机与主耳机建立无线连接，再建立起主耳机和副耳机的无线通讯，从而完全摒弃了传统耳机间的线材连接，极大地方便了用户的使用。另外，主耳机是可以单独使用的，完全能够胜任现有市场上的单颗蓝牙耳机的应用需求，使用功能非常强大。
自从2016年9月苹果发布第一款TWS耳机 – Airpods以来，市场反响就非常热烈，后续音频厂商见此迅速跟进，扎堆布局TWS蓝牙耳机，使TWS耳机市场异彩纷呈。又随着今年3月份苹果新款AirPods无线耳机的发布，TWS又火了一把，华为、小米以及传统耳机厂商陆续跟进。
为了顺应TWS耳机发展趋势，各大芯片厂家纷纷推出一系列产品。目前市面上有8大芯片品牌共推出18款TWS耳机解决方案，包括高通、络达、卓荣、炬芯、恒玄、赛普拉斯和瑞昱等，下面进行TWS耳机系统介绍：
TWS耳机的系统主要可以分为两部分，分别是充电盒以及耳机。充电盒的作用类似于充电宝，专门给两个耳机进行充电。受限于充电盒和耳机的小体积，这两部分所用的电池容量都无法做大，充电盒的容量一般在1000mAh以内，而耳机端的容量更小，绝大部分都小于100mAh。因此无论是充电盒还是耳机，都应该重视系统低功耗的设计，保证产品有较长的使用时间。
TWS耳机系统框图：
下面重点介绍Flash方面：
由于主控蓝牙芯片内存有限，为了存更多固件和代码程序，需要外扩一颗SPI NOR Flash，同时要求小体积和低功耗。原先一般都是8Mbit或者16Mbit，现在很多厂家加入OTA功能，需要选32Mbit、64Mbit甚至128Mbit（苹果方案）才够用。
北京兆易创新（简称GD）推出一系列SPI NOR Flash，电压有1.8V系列，静态电流低至1uA，容量有512Kbit-512Mbit，小封装有WLCSP、USON等，非常适用于低功耗、小体积应用。目前很多TWS厂家已经在采用GD方案，选型列表如下：
Manufacturer | Part Number | Description | Memory Size | Frequency | Voltage | Temperature | Device Package | Packaging |
GigaDevice | NOR FLASH | 8Mb (1M x 8) | 104MHz | 1.65 V ~ 2.1 V | -40°C ~ 85°C | 8-USON (2x3) | Tape & Reel (TR) | |
GigaDevice | NOR FLASH | 16Mb (2M x 8) | 104MHz | 1.65 V ~ 2.1 V | -40°C ~ 85°C | 8-USON (4x3) | Tape & Reel (TR) | |
GigaDevice | NOR FLASH | 16Mb (2M x 8) | 104MHz | 1.65 V ~ 2.1 V | -40°C ~ 85°C | 21-WLCSP | Tape & Reel (TR) | |
GigaDevice | NOR FLASH | 32Mb (4M x 8) | 120MHz | 1.65 V ~ 2 V | -40°C ~ 85°C | 8-USON (4x3) | Tape & Reel (TR) | |
GigaDevice | NOR FLASH | 32Mb (4M x 8) | 120MHz | 1.65 V ~ 2 V | -40°C ~ 85°C | 21-WLCSP | Tape & Reel (TR) | |
GigaDevice | NOR FLASH | 32Mb (4M x 8) | 120MHz | 1.65 V ~ 2 V | -40°C ~ 85°C | 8-USON (4x4) | Tape & Reel (TR) | |
GigaDevice | NOR FLASH | 64Mb (8M x 8) | 133MHz | 1.65 V ~ 2 V | -40°C ~ 85°C | 21-WLCSP | Tape & Reel (TR) | |
GigaDevice | NOR FLASH | 64Mb (8M x 8) | 120MHz | 1.65 V ~ 2 V | -40°C ~ 85°C | 8-USON (4x4) | Tape & Reel (TR) | |
GigaDevice | NOR FLASH | 128Mb (16M x 8) | 120MHz | 1.65 V ~ 2 V | -40°C ~ 85°C | 21-WLCSP | Tape & Reel (TR) |
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目录- 公司简介 GD32 MCU ARM® Cortex®32位通用MCU GD30 PMU SPI NOR FLASH SPI NAND Flash 并口NAND Flash Flash产品封装形式 电容触控芯片 指纹传感器 DDR3L DDR4L
型号- 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目录- Company profile GD32 MCU 32-bit ARM® Cortex® MCUs GD30 PMU SPI NOR FLASH SPI NAND Flash Parallel NAND Flash Flash Package Options Capacitive Touchscreen Controller Fingerprint Sensor
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SERIES,GD32F450ZET6,GD32E230F6V6,GD32E103CBT6,GD9FU1GXF3A,GD32F105ZCT6,GD32F330G4U6,GD32F427VGH6,GD32F303RKT6,GD32F103CBT6,GD25LF128E,GD32E503ZET6,GD32F101VBT6,GD32F427RGT6,GD55LT01GE,GSL3676,GD5F2GQ5RE,GDP1BFLM-CB,GDP1BFLM-CA,GD32F130K8U6,GD32F305RGT6,GD30WS,GD25LR64E,GD32EPRT,GD32F150C6T6,GD32F310K6T6,GD25LF32E,GD32E103R8T6,GD32F103ZGT6,GD32F403VEH6,GD9FU1GXF2A,GD32F403RET6,GSL3680,GD32F350K6U6,GD32F101C6T6,GD32F403VKT6,GD32E505RET6,GD32F107RDT6,GD32E230G8U6,GD32F103RKT6,GD32E230F4P6,GDQ2A8AA-WJ,GD25LR256E,GD25LQ20E,GD32F130K8T6,GD25LQ32E,GD32F130,GD25LQ20C,GD32F305ZCT6,GD25LE255E,GD32E1 SERIES,GD32F307RET6,GD25WR256E,GD32F310K8U6,GDQ2A8AA-WE,GD32F470ZGT6,GD32F350C8T6,GD32F150K4U6,GD32F101ZIT6,GD32F405VGT6,GD32F207ZGT6,GSL3670D,GD32VF103TBU6,GD32VF103C8T6,GDQ2A8AA-WQ,GD25R512ME,GD32F101VCT6,GD32F105RGT6,GD32E503CCT6,GD25WD20C,GD25WD20E,GD32F470VKH6,GD25R32C,GD25LH40E,GD32F425VKH6,GD32F303ZGT6,GD32F103ZFT6,GD32F425RKT6,GD32F205VET6,GD32F303CET6,GD32F107RCT6,GD32W515PIQ6,GD32F425ZGT6,GD32F4 SERIES,GD32F101V8T6,GD5F1GQ5UEYIGR,GD25R256E,GD32F407ZET6,GD32F450VIT6,GD30DR8306KU,GD55X01GE,GSL7000A,GD32F205RKT6,GD32F101RBT6,GD32F330K8U6,GDP2BFLM-WB,GD32F103C8T6,GD32F330RBT6,GD32F105ZET6,GD25WB256E,GDP2BFLM-WA,GD32F101T6U6,GD32F150C8T6,GD32F207RGT6,GD32F130K6U6,GD32E507ZCT6,GD30WS8805EU,GD32F427IEH6,GDP1A8LM-IA,GD32VF103CBT6,GD25LR128E,GD32F403VCH6,GD32F103ZIT6,GDP1A8LM-IB,GD32F307ZCT6,GD32F403RCT6,GD32F350K8U6,GD32F350RBT6,GD32F107RFT6,GD32F403VIT6,GD32VF103R8T6,GD32C103RBT6,GD32F103VCT6,GSL6150N,GD32F130K6T6,GD30BC,GD5F2GQ5UE,GD32E230K4U6,GD32F307RGT6,GD55X02GE,GD9AS2GXF3A,GD32F150K6U6,GD32F470ZET6,GD32F305VCT6,GD25B64E,GD32F101RCT6,GD32F4,GD32F105R8T6,GD25B64C,GD32F405ZKT6,GD32F407IGH6,GD32F2,GD32F3,GD32F101VIT6,GD32F1,GD9AU4GXF3A,GD32F105ZDT6,GD32E503VET6,GD25LF255E,GD32F427ZET6,GD30WS8662DY,GD25WD80C,GD32F407RKT6,GD32F470VIH6,GD32F407VKH6,GD25LH16E,GD32E230C8T6,GD32E230K4T6,GDQ2BFAA-WE,GD32E23X SERIES,GD32F303VGT6,GDQ2BFAA-WJ,GD32E232E4U7,GD25LX256E,GD32F205ZET6,GD32E5,GD25LD80C,GD32F407ZGT6,GD25LD80E,GD32E1,GD32F310F8P6,GD25LQ255E,GD32F330K8T6,GSL1686F,GD32W515TIQ6,GD32F103VBT6,GD32F107RET6,GD32F425ZKT6,GD32E505ZET6,GD9FS4GXF2A,GD32F427VKH6,GD32F450VKT6,GD32F330K6U6,GD32F101VFT6,GD25D80E,GD32F427RKT6,GDQ2BFAA-WQ,GD32E507RET6,GD25WD80E,GSL1691F,GD32F105ZGT6,GD25D80C,GD32F101T4U6,GD32F103C6T6,GD25LF16E,GD32F350R4T6,GD9AS4GXF3A,GD32F405ZGT6,GD32F207IKT6,GD32F427IGH6,GD32F307ZET6,GD32F103ZKT6,GD32F403VGT6,GD32F350G4U6,GD32F130K4U6,GD32E103VBT6,GD25LQ16E,GD25B128E,GD32F103VET6,GSL1680F,GD25LQ128E,GD25LQ16C,GD9FU2GXF3A,GD25LQ128D,GD32E230F8P6,GD32F403VET6,GD32F130C8T6,GD30WS8815EU,GD32F305ZGT6,GD32F150K8U6,GD32F407IEH6,GD32F101VGT6,GD32W515,GD32F130K4T6,GD30DR8413EU,GD32F103TBU6,GD25B127D,GD32F207ZCT6,GD32VF103C4T6,GD32F105ZFT6,GD25B512ME,GD5F4GQ6UE,GD32E503VCT6,GD32F470VGH6,GD32F427ZGT6,GD9FS4GXF3A,GD32E508RET6,GD32F303ZKT6,GD32E230C6T6,GD32F303VET6,GD32E232E6U7,GD32F330K6T6,GDP1A8LM-CB,GD32L233KBT6,GD32F205ZGT6,GDP1A8LM-CA,GD32F107RGT6,GD32F107ZCT6,GD32F103VDT6,GD9AU2GXF3A,GD32L23X,GD32F450VET6,GD32F450ZKT6,GD25Q127C,GD32F330C8T6,GD32F205RGT6,GD32F101R6T6,GD30LD3301FU,GD32E503,GD30LD,GD25WD05C,GD32V SERIES,GD32F303RET6,GD32F303VKT6,GD32E507,GD32F330K4U6,GD32E505,GD32F101RFT6,GD32F1 SERIES,GD32E508,GDP1BFLM-WB,GD32F105VCT6,GD25D20C,GDP1BFLM-WA,GD55LX02GE,GD25D20E,GSL6186,GD32E103C8T6,GD32VF103R4T6,GD32F207RCT6,GD32F350R6T6,GD32F305VGT6,GD32F130F8P6,GD25LB32E,GD25LF80E,GD5F4GQ6RE,GD32F307ZGT6,GD32F207IET6,GD32E505VET6,GD32F107ZDT6,GD32F403ZKT6,GD32F103VGT6,GD32F350G6U6,GD32VF103T8U6,GD25LQ80C,GD32F450IKH6,GD32F403VCT6,GD32F403ZIT6,GD32F405VKH6,GD9FU4G8F2AMGI,GD32F310F4P6,GD32F130C6T6,GD32F310G8U6,GD9FS2GXF3A,GD32F150G4U6,GD32E230K8U6,GD32F103T4U6,GD32C103,GD25LQ80E,GD5F1GQ5UE,GDQ2A8AA-CE,GD32F101RGT6,GDQ2A8AA-CJ,GD32F105VBT6,GD25B256E,GD32F405RKT6,GD32F470VKT6,GD32E503RCT6,GD32F101ZCT6,GD9FU2GXF2A,GD25Q128E,GD32F407VGH6,GD32F150R4T6,GD32F
GD25LB256E Uniform Sector Standard and Quad Serial Flash DATASHEET
型号- GD25LB256ELEG,GD25LB256EFIR,GD25LB256EBER,GD25LB256EFEK,GD25LB256ELIG,GD25LB256EBIR,GD25LB256EFIK,GD25LB256EBEK,GD25LB256ELIS,GD25LB256EFER,GD25LB256ELES,GD25LB256EFJK,GD25LB256EBFK,GD25LB256EBJK,GD25LB256EFJR,GD25LB256EBFR,GD25LB256ELFG,GD25LB256EBJR,GD25LB256EFFK,GD25LB256ELJG,GD25LB256E3IK,GD25LB256ELJS,GD25LB256EFFR,GD25LB256E,GD25LB256E3IR,GD25LB256E3EK,GD25LB256ELFS,GD25LB256E3ER,GD25LB256EYIG,GD25LB256E3JK,GD25LB256EWIG,GD25LB256E3FR,GD25LB256E3JR,GD25LB256EYEG,GD25LB256E3FK,GD25LB256EWEG,GD25LB256EYES,GD25LB256EWES,GD25LB256EYIS,GD25LB256EWIS,GD25LB256EYJG,GD25LB256EWJG,GD25LB256EYFG,GD25LB256EWFG,GD25LB256EYFS,GD25LB256EBIK,GD25LB256EWFS,GDXXXXXXXXXXX,GD25LB256EYJS,GD25LB256EWJS
【选型】同芯微电子（TMC）智能终端安全芯片/32位安全MCU/非接触式读卡芯片/无线充电IC选型指南
目录- 安全芯片 安全MCU 非接触式接口芯片 接触式接口芯片 Nor Flash 无线充电接收IC 无线充电发射IC
型号- THM3622FAQDB,THM3682FAQD,THM38034,THM3100,THM3682FAQH,THM3622FAQFB,THM3040,THM3070,THK88V20,TH25Q40,TH25040,THK88,THKSS,THP9110,THP9330,THM36S2FAQH,THM380344,THP9410,THM3652FAQHB,THM3652FAGAB,THP9100,THM36S2FAQD,THM3662FAQB
GD25LB512ME Uniform Sector Standard and Quad Serial Flash DATASHEET
型号- GD25LB512MEFJK,GD25LB512MEYES,GD25LB512MEBFK,GD25LB512MEYIS,GD25LB512MEBJK,GD25LB512ME3FR,GD25LB512ME3FK,GD25LB512ME3JR,GD25LB512MEYEG,GD25LB512ME3IK,GD25LB512MEYJG,GD25LB512MEFFR,GD25LB512MEFJR,GD25LB512MEBFR,GD25LB512MEFFK,GD25LB512MEBJR,GD25LB512MEBIK,GD25LB512MEYFS,GD25LB512ME3ER,GD25LB512MEYJS,GD25LB512ME3IR,GD25LB512ME3EK,GD25LB512MEYFG,GD25LB512ME3JK,GD25LB512MEYIG,GD25LB512MEFER,GD25LB512MEFEK,GD25LB512MEFIR,GD25LB512MEBER,GDXXXXXXXXXXX,GD25LB512MEFIK,GD25LB512MEBEK,GD25LB512ME,GD25LB512MEBIR
GD25LE128E DATASHEET
型号- GD25LE128ELIG,GD25LE128ELJGR-T3,GD25LE128E,GD25LE128EXHJG,GD25LE128ELEG,GD25LE128EQIG,GD25LE128ESIG,GD25LE128EVIG,GD25LE128EQEG,GD25LE128EWIG,GD25LE128ESEG,GD25LE128EVEG,GD25LE128EYIG,GD25LE128EWEG,GD25LE128EYEG,GD25LE128ELIGR-T3,GD25LE128ELEGR-T3,GD25LE128ELJG,GD25LE128EXHIG,GD25LE128EQJG,GD25LE128ESJG,GD25LE128EXHEG,GD25LE128ESFB,GD25LE128EWJG,GD25LE128EVJG,GD25LE128EWFB,GD25LE128EYJG,GDXXXXXXXXXXX
【成功案例】兆易创新SPI NOR Flash GD25Q16CSIG用于STM32单片机远程升级工具的固件缓存
项目需要为云教学实验室开发一款可通过4G或WIFI网络远程升级STM32单片机固件的升级工具。用来缓存固件的SPI NOR Flash采用的是兆易创新的GD25Q16CSIG，容量大小为16Mbit。兆易创新对SPI NOR Flash的国产化，使GD25系列的存储芯片价格更有优势，数据可保存20年，擦写次数达到10万次，用在这个项目中非常合适。
兆易创新企业介绍
型号- GD32F150,GD32F350,GD32E103,GD32E503,GD25UE,GD32E507,GD25LX,GD32E505,GD25LT,GD25LQ,GD25LR,GSL8165,GD25LE系列,GD32VF103,GD25LH,GD32E231,GD25LE,GD25LD,GD32E230,GD25WQ系列,GD25LF,GD32EPRT,GD25LB,GD32E232,GD32F207,GD32F405,GD32F205,GD32F403,GD32F407,GSL6150,GD55X,GD25X系列,GSL6157,GSL6159,GD25T系列,GD32FFPR,GSL7002,GSL7001,GD55T,GD32F170,GD5F系列,GD32F330,GD32F450,GD25WQ,GD32F130,GD25WD,GD25系列,GSL816X,GD5FX,GD25LX系列,GD9FX,GD32F103,GD25B,GD32F101,GD25E系列,GD25D,GD32F305,GD32F107,GD25F,GD25LT系列,GD32F303,GD32F105,GD25X,GD32F307,GD55LX,GD25WD系列,GD25Q,GSL6135,GD25R,GD55LT,GD25T,GD32F190
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可定制显示屏的尺寸0.96”~15.6”，分辨率80*160~3840*2160，TN/IPS视角，支持RGB、MCU、SPI、MIPI、LVDS、HDMI接口，配套定制玻璃、背光、FPCA/PCBA。
最小起订量： 1000 提交需求>
可烧录IC封装SOP/MSOP/SSOP/TSOP/TSSOP/PLCC/QFP/QFN/MLP/MLF/BGA/CSP/SOT/DFN；IC包装Tray/Tube/Tape；IC厂商不限，交期1-3天。支持IC测试（FT/SLT），管装、托盘装、卷带装包装转换，IC打印标记加工。
最小起订量： 1pcs 提交需求>
授权代理品牌：集成电路
授权代理品牌：分立元件
授权代理品牌：接插件及结构件
授权代理品牌：部件、组件及配件
授权代理品牌：电源及模块
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授权代理品牌：仪器仪表及测试配组件
授权代理品牌：电工工具及材料
授权代理品牌：机械电子元件
授权代理品牌：加工与定制
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