rtl8821cu双频wifi蓝牙4.2二合一usb接口模块.pdf

Product Specification RevisionV1.0 Date2017-4-15 Model NameBL-M8821CU1 ProductNameIEEE 802.11b/g/n/ac(1T1R) USB WLANAnd BT Module BilianApprove Field EngineerQCSales CustomerApprove Field EngineerQCManufactoryPurchasing Shenzhen Bilian Electronic Co.，Ltd Address: No 268,Fuqian Rd.,JuTang Community ,Guanlan Town,Baoan District, Shenzhen, 518110,PRC Homepage: www.b- 0 Table of Contents Revision History.1 1. Introduction.1 1.1 General Description1 1.2 Features.1 1.3 Applications. 2 2. Functional Block Diagram 2 3. Product Technical Specifications.2 3.1 General Specifications.2 3.2 DC Power Consumption3 3.3 RF Specifications4 4. Pin Assignments.7 5. Application Information8 5.1 Supported Platform.8 5.2 Typical Application Circuit.8 6. Mechanical Specifications10 7. Others11 7.1 Package Information11 7.2 Storage Temperature and Humidity 11 7.3 Recommended Reflow Profile11 1 Revision History Date Document Revision Product Revision Description 2017/4/60.1V1.0 Preliminary release 2017/4/15V1.0V1.0 Ver 1.0 release 1. Introduction 1.1 General Description BL-M8821CU1 product is a highly integrated single-chip 802.11a/b/g/n/ac 1T1R USB2.0WLAN controller It combines a WLAN MAC, a 1T1R capable WLAN baseband, BT Protocol (LM , LL and LE),BT Baseband, modem, and WLAN/BT RF in a single chip. The module provides a complete solution for ahigh-performance wireless LAN and Bluetooth device. The BT controller supports BT 4.2 system and compatibles Bluetooth 2.1+EDR. Figure 1TopViewFigure2BottomView Note:The abovepicturesare for referenceonly 1.2 Features Operating Frequencies: 2.4~2.4835GHz and 5.15~5.85GHz Host Interface is USB 2.0 for WLAN and BT controller IEEE Standards : IEEE 802.11a/b/g/n/ac Wireless data rate can reach up to 433.3Mbps Bluetooth Low Energy Support Connect to external antenna through the half hole Power Supply:3.3V±0.2V 2 1.3 Applications MID IP Camera STB Smart TV E-book Other devices which need to be supported by wireless network 2. Functional Block Diagram Figure3BL-M8821CU1 blockdiagram 3.Product Technical Specifications 3.1 General Specifications ItemDescription Product NameBL-M8821CU1 Main ChipRTL8821CU-CG Host InterfaceUSB 2.0 IEEE StandardsIEEE 802.11a/b/g/n/ac Operating Frequencies2.4GHz~2.4835GHz /5.15GHz~5.85GHz ModulationWiFi: 3 802.11b: CCK, DQPSK, DBPSK 802.11a/g: 64-QAM,16-QAM, QPSK, BPSK 802.11n: 64-QAM,16-QAM, QPSK, BPSK 802.11ac: 256-QAM,64-QAM,16-QAM, QPSK, BPSK BT: 8DPSK,π/4DQPSK,GFSK Working ModeInfrastructure,Ad-Hoc Wireless Data Rate WiFi: 802.11b: 1, 2 ,5.5,11Mbps 802.11a/g: 6,9,12,18,24,36,48,54Mbps 802.11n: HT20 reach up to144.4Mbps, HT40 reach up to300Mbps 802.11ac: VHT20 reach up to 173.3Mbps, VHT40 reach up to 239Mbps, VHT80 reach up to 433.3Mbps BT: 1Mbps for Basic Rate 2,3 Mbps for Enhanced Date Rate Rx Sensitivity-96dBm (Min) TX Power18.5dBm (Max) Antenna TypeConnect to external antenna through the IPEX connector Dimension(L*W*H)13.0*12.2*1.5mm (L*W*H) ，Tolerance: ±0.15mm Power Supply3.3V±0.2V Power ConsumptionStandby 192mA@3.3V (Max) TX mode 908 mA@3.3V (Max) Clock Source40MHz Working Temperature-10°C to +50°C Storage Temperature-40°C to +70°C ESD CAUTION:Although this module is designed to be as robust as possible, Electrostatic Discharge (ESD) can damage this module. It must be protected from ESD at all times and handled under the protection of ESD. 3.2 DC Power Consumption Vcc=5V，Ta= 25 °C，unit: mA Supply currentTyp.Max Standby (RF disabled)82104 802.11b1Mbps11Mbps Supply currentTyp.Max.Typ.Max. TX mode 375 404350420 4 Rxmode 80 10480104 802.11g6Mbps54Mbps Supply currentTyp.Max.Typ.Max. TX mode 325388240376 Rxmode 8511286116 802.11n HT20MCS0MCS7 Supply currentTyp.Max.Typ.Max. TX mode320380239372 Rxmode8711288116 802.11n HT40MCS0MCS7 Supply currentTyp.Max.Typ.Max. TX mode286352215360 Rxmode8911690120 802.11a6Mbps54Mbps Supply currentTyp.Max.Typ.Max. TX mode340420270380 Rxmode9012091124 802.11n HT40(5G)MCS0MCS7 Supply currentTyp.Max.Typ.Max. TX mode320392240384 Rxmode9212493128 802.11acMCS0MCS9 Supply currentTyp.Max.Typ.Max. TX mode300380240388 Rxmode104132106144 3.3RF Specifications TX Power 2.4G: 802.11b:17±1.5dBm 802.11g/11n-HT20:15±1.5dBm 802.11n -HT40:15±1.5dBm 5G: 802.11a/11n-HT20:15±1.5dBm 802.11n-HT40:14±1.5dBm 802.11ac:13±1.5dBm TX Constellation Error(EVM) 2.4G: 802.11b: 30% temp 30℃, humidity 70% RH, over 96 hours. Baking condition: 125℃, 12 hours. Baking times: 1 time. 7.3 Recommended Reflow Profile Reflow soldering shall be done according to the solder reflow profile,Typical Solder ReflowProfileis illustrated in Figures 8. The peak temperature is 245℃. Figure8 Typical Solder ReflowProfile 。