EDMI 4432-A RF Module User Manual x

EDMI (Shenzhen) Co., Ltd RF Module x

Users Manual

PDF pdfFactory Pro www.fineprint.cnUserGuideToRF915MHzISMModule第一章 硬件介绍 Chapter 1 HardWare Introduce 1.1 MSi4432 低功率无线模块硬件接口主要定义 Functional Block Diagram： MSi4432低功率无线模块硬件接口主要定义： MSi4432 Low-power Wireless Module Hardware Interface - Main definitions: 芯片型号 Chip Model 引脚序号和名称定义 Pin Number and Definition 排针间距 Pin Header’s Spacing 12345Si4432+78F0503AVDDGNDRXDTXDRST2.00mm1.2 接口名称详细说明 (IO 输入输出状态以模块本身作为对象描述) Detailed Specifications of Interface Names (IO Input and Output Status Descriptions by treating Module itself as an object) 序号 S/N 接口名称 Interface Name I/O描述 Description 1VDD电源 PowerSupply供电电压 3.3V，输入电流 100mA。 Powersupplyvoltageis3.3V;Inputcurrentis100mA.2GND地 Ground电路接地。 Circuitisgrounded.3RXDI 模块串行数据输入接口，数字输入，与模块 MCUUART口RXPin连接 Module’sserialdataisinputtointerface—asdigitalinput,andisconnectedtothemodule’sMCUUARTport’sRXPin.4TXDO模块串行数据输出接口，数字输出，与模块 MCUUART口TXPin连接 Module’sserialdataisoutputtointerface—asdigitalinput,andisconnectedtothemodule’sMCUUARTport’sTXPin.5RSTI 模块 0~3.3V数字输入，RST低电平脉冲宽度>20uS芯片复 位，RST=1芯片工作。 Module’s0~3.3Vdigitalinput—RSTlowlevelpulsewidthis>20uSwhenchipresets;RST=1whenchipisoperating.
PDF pdfFactory Pro www.fineprint.cn1.3 接口电气特征 Interface’s Electrical Characteristics 最大额定值 Maximum Rated Values 参数 Parameter 符号 Symbol 条件 Conditions 额度 Limits 单位 Units 供电电压 PowerSupplyVoltageVDD‐0.5~3.6VGND‐0.5~+0.3V输入电压 InputVoltageVIRXD,TXD,RST‐0.3~VDD+0.3V输出电压 OutputVoltageVORXD,TXD,RST‐0.3~VDD+0.3V输出电流,高 OutputCurrent,HighIOHRXD,TXD,RST‐10.0mA所有引脚总和 TotalofAllPins‐25.0mA输出电流,低 OutputCurrent,LowIOLRXD,TXD,RST30.0mA所有引脚总和 TotalofAllPins60.0mADC特征 Characteristics 参数 Parameter符号 Symbol 条件 Conditions 最小值 Minimum Value 典型值 Typical Value 最大值 Maximum Value 单位 Units 供电电压 PowerSupplyVoltageVDD1.83.33.6V输出电流，高 OutputCurrent,HighIOH1.8V≤VDD≤3.6V‐1.0mA输出电流，低 OutputCurrent,LowIOL1.8V≤VDD≤3.6V2.0mA输入电压，高 InputVoltage,HighVIHRXD,RST0.8VDDVDDV输入电压，低 InputVoltage,LowVILRXD,RST00.2VDDV输出电压，高 VOHTXD0.8VDDVDDV
PDF pdfFactory Pro www.fineprint.cn参数 Parameter符号 Symbol 条件 Conditions 最小值 Minimum Value 典型值 Typical Value 最大值 Maximum Value 单位 Units OutputVoltage,High    输出电压，低 OutputVoltage,LowVOLTXD00.2VDDV上拉电阻 Pull‐upResistorRPU RXD10 kΩ 1.4 模块尺寸和接口位置图 Diagrams showing Dimensions of Module and Location of Interface Figure 图 1：接口位置和 PCB板尺寸图 Interface’s Location and PCB Board’s Dimensions Diagram Figure 图 2： 模块实物图 Module’s Physical 3D Picture/ Stereograph 1.5 接口参数 Interface Parameters a.接口方式 Interface Method：UART，TTL电平 Level，
PDF pdfFactory Pro www.fineprint.cn串口波特率 9600bps，8数据位，1起始位，1个停止位，偶校验位； Interface baud rates 9600bps 8 Data bits, 1Start bit,1 Stop bit, with Even check bit. b.最大应用数据包 Maximum Apply Data Packet ：64bytes； 第二章 软件介绍 Chapter 2 Software Introduce 2.1通讯接口配置 Cominterfaceconfiguration 配置主机串口波特率 9600bps，8位数据位，1位起始位，1位停止位和偶校验位； Configuration Host Interface as baud rates 9600bps 8 Data bits, 1Start bit,1 Stop bit, with Even check bit. 2.2数据接收和发送方式 Themethodofsendandreceivedata 数据接收：模块上电，复位管脚 RST处于高电平，3S后模块工作处于接收状态，收到 无线数据便转发数据到串口给主机，接收数据长度不大于 64字节； Data receive:Power on the RF module and keep RST pin with high level,After 3 seconds Module works in receive states, When it received data from RF, module send the data to the Host by UART. The receive data less than 64 bytes. 数据发送：模块上电工作，当收到串口数据则将数据通过无线发送，发送数据长度不大 于 64字节； Data send: Power on the RF module,When it received data form UART,then send the data by RF channel. The send data less than 64 bytes. 2.3复位模块 Reset the module 如果模块工作异常，将复位管脚 RST置低电平 100uS以上，模块重新复位，RST保持高 电平模块工作； If the module work failure,Set RST pin to low level upto 100uS,Keep the RST pin for higt level module restart work. FCCCaution.§ 15.19Labellingrequirements.Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation.§ 15.21Informationtouser.AnyChangesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliance
PDF pdfFactory Pro www.fineprint.cncouldvoidtheuser'sauthoritytooperatetheequipment.§ 15.105Informationtotheuser.Note:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuanttopart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidentialinstallation.Thisequipmentgeneratesusesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrecttheinterferencebyoneormoreofthefollowingmeasures:‐Reorientorrelocatethereceivingantenna.‐Increasetheseparationbetweentheequipmentandreceiver.‐Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected.‐Consultthedealeroranexperiencedradio/TVtechnicianforhelp.TheMSi4432moduleisdesignedtocomplywiththeFCCstatement.FCCIDis2AC6H4432‐A.ThehostsystemusingMSi4432,shouldhavelabelindicated   Thisradiomodulemustnotinstalledtoco‐locateandoperatingsimultaneouslywithotherradiosinhostsystem,additionaltestingandequipmentauthorizationmayberequiredtooperatingsimultaneouslywithotherradio. contains the module’s FCC ID

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