美的 IoT 公司 Midea IoT Module User Mannual Manufacturer name: GD Midea Air-Conditioning Equipment Co.,Ltd Module name: Bluetooth & Wi-Fi dual band Communication Module Model specification: MM3SB3350N3 Material code: MM3SB3350N3 Preparation: zhanghaixiang Sign: zhouyuliang, liuyali Review: chenting This document is confidential, and all information contained in it shall be interpreted by midea IoT company. All unauthorized and permitted copying shall not be recognized and prohibited.
美的 IoT 公司 Index 1、 Product Overview .......................................................................................................... 3 2、 Top view ........................................................................................................................... 5 3、 Radio frequency characteristics ................................................................................. 7 3.1 transmission and reception characteristics ...................................................... 7 3.
美的 IoT 公司 1、Product Overview MM3SB3350N3 wireless module is a fully functional, highly integrated, low power consumption dedicated Wi-Fi & bluetooth module for the Internet of things. It supports IEEE802.11a/b/g/n protocol, also embedded IPV4, TCP, UDP, DNS, HTTP and other complete network protocol, so that the terminal in the Internet of things applications more reliable, convenient and easy to use. MM3SB3350N3 core chip adopts the MT7697D single chip scheme of Media corp.
美的 IoT 公司 The block diagram of the module is as follows: SPI Flash Bluetooth RF SPI Flash controller UART x 1 Bluetooth Baseband Bluetooth link Controller Bluetooth Audio CODEC PMU 25 Channel Generic DMA EFUSE (4Kb) ILM/DLM SRAM/ROM TCM/Cache 96KB IrDA CM4 SYSRAM 256KB GPIO/PWM x 28 Wi-Fi dualband RF N9 CPU ARM Cortex M4F I2C x 2 Wi-Fi baseband SYSRAM Crypto Engine SPI Wi-Fi MAC Watch Dog Timer I2S Wi-Fi PSE General Purpose Timer 4 Channel ADC N9 Subsystem M4 Subsystem Note/
美的 IoT 公司 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.
美的 IoT 公司 On the back of the figure 6 / 20
美的 IoT 公司 3、Radio frequency characteristics 3.1 transmission and reception characteristics Support IEEE 802.11a/b/g/n standard; For parameters such as transmitting power, receiving sensitivity, EVM and distribution, a more stringent standard than the IEEE specification is sought. Please refer to the attached table for the specifications. Table 1: Wi-Fi 2.4ghz Band RF Specifications TX Characteristics 1. The Frequency range Min. Typ. Max. The Unit 2400 - 2483.5 MHz 2.
美的 IoT 公司 1. The Frequency range 2400 - 2483.5 MHz 2. Minimum Input Level Sensitivity 1) 1 MBPS (FER) ≦ 8% CCK - 82. dBm 2) 2 MBPS (FER) ≦ 8% CCK - 80. dBm 3) 5.5 Mbps (FER) ≦ 8% CCK - 78. dBm 4) 11 MBPS (FER) ≦ 8% CCK - 76. dBm 5) BPSK rate 1/2, 6 Mbps OFDM - 82. dBm 6) BPSK rate 3/4, 9 Mbps OFDM - 81. dBm 7) QPSK rate 1/2, 12 Mbps OFDM - 79. dBm 8) QPSK rate 3/4, 18mbps OFDM - 77. dBm 9) 16QAM rate 1/2, 24mbps OFDM - 74. dBm 10) 16QAM rate 3/4, 36 Mbps OFDM - 70.
美的 IoT 公司 5)MCS 4, 16QAM rate 3/4 - 67. dBm 6)MCS 5, 64QAM rate 2/3 - 63. dBm 7)MCS 6, 64QAM rate 3/4 - 62. dBm 8)MCS 7, 64QAM rate 5/6 - 61. dBm 6 Mbps OFDM - 20 dBm 54 Mbps OFDM - 20 dBm The MCS 0 - 20 dBm The MCS 7 - 20 dBm 5. Maximum Input Level (FER = 10%) Table 2: Wi-Fi 5GHz Band RF Specifications TX Characteristics 1. The Frequency range Min. Typ. Max. The Unit 5150 - 5850 MHz 2.
美的 IoT 公司 1. The Frequency range 5150 - 5850 MHz 2. Minimum Input Level Sensitivity 1) BPSK rate 1/2, 6 Mbps OFDM - 82. dBm 2) BPSK rate 3/4, 9 Mbps OFDM - 81. dBm 3) QPSK rate 1/2, 12 Mbps OFDM - 79. dBm 4) QPSK rate 3/4, 18mbps OFDM - 77. dBm 5) 16QAM rate 1/2, 24mbps OFDM - 74. dBm 6) 16QAM rate 3/4, 36 Mbps OFDM - 70. dBm 7) 64QAM rate 1/2,48mbps OFDM - 66. dBm 8) 64QAM rate 3/4, 54mbps OFDM - 65. dBm 1)MCS 0, BPSK rate 1/2 - 82. dBm 2)MCS 1, QPSK rate 1/2 - 79.
美的 IoT 公司 5. Maximum Input Level (FER = 10%) 6 Mbps OFDM - 20 dBm 54 Mbps OFDM - 20 dBm The MCS 0 - 20 dBm The MCS 7 - 20 dBm Table 3: Blutooth LE RF Specifications TX Characteristic Min. Typ. Max. The Unit 2400 - 2483.5 MHz 0 10 dBm - 150. 150 KHz 2) Frequency Drift - 50 50 KHz 3) Max Drift Rate - 20 20 Hz/us Delta f1avg 225 275 KHz Delta f2max 185 Delta f1avg/delta f2avg 0.8 1. The Frequency range 2. The Output power 3.
美的 IoT 公司 6. The C/I 3 MHZ or higher - 33 27 - The dB 7. C/I Image channel - 20 9- The dB 8 C/I Image 1 MHZ - 30 - 15 The dB 9. Intel - modulation - 50 - 35 dBm 10. Out-of-band blocking 30 MHZ to 2000 MHZ - 30 dBm 2001 MHZ to 2339 MHZ - 35 dBm 2501 MHZ to 3000 MHZ - 35 dBm 3001 MHZ to 12.
美的 IoT 公司 3.2 characteristics of the module antenna The passive performance of the antenna of the Wi-Fi & Bluetooth module should meet the following requirements (passive performance can only be used as a reference, and the antenna performance test is mainly based on the active throughput test) : In 2.4g frequency band: 2400MHz~ 2483.
美的 IoT 公司 4. Product structure diagram 4.1 PCB size Thickness of module plate: 1.0mm Tolerance: + / - 0.
美的 IoT 公司 4.2 line drawings The serial num ber 1 tag Wi-Fi module end pin description V The VCC power supply 2 R RXD module receives 3 T TXD module send 4 GND symbol GND to Home appliance end pin description The VCC power supply TXD appliance delivery Reception of RXD appliances GND to 4.
美的 IoT 公司 code is 8*8mm. QR code content: The content of the QR code is shown in the following table.
美的 IoT 公司 The power supply 4 Fixed content as "3.3v" or "5.0v" current 5 Fixed content as "500mA" Note: Starting code (4 bits) : MAC: MAC address (12 bits) : XXXXXXXXXX Production information (bit 26) : 01 XXXXXXXX 160919 000109 0000 Position 1 and 2: represent the manufacturing plant Position 3-10: represents the job number of the manufacturing plant Bit 11~16: production date, such as September 19, 2016 marked 160919 Bits 17 to 22: software minor version Numbers No.
美的 IoT 公司 6. Electrical parameters Power supply parameters: Under 5V working power supply: Symbol parameter The Typical The unit minimum values maximum 4.5 5 5.5 V The Typical The unit minimum values maximum 3.3 3.465 value VDD The power input (ripple control within 100mv) 3.3v Operating Power: Symbol parameter value VDD The power 3.
美的 IoT 公司 VIL Low Level Input Voltage 0.3 - 0.3 V VOH High Level Output Voltage 4.5 5.0 VDD V VOL Low Level Output Voltage 0 - 0.4 V The Typical The unit minimum values maximu 3.3v Operating Power: Symbol parameter value m VIH High Level Input Voltage 3.135 3.3 VDD V VIL Low Level Input Voltage 0.3 - 0.3 V VOH High Level Output Voltage 3.135 3.3 VDD V VOL Low Level Output Voltage 0 - 0.4 V 7.
美的 IoT 公司 Storage temperature: - 20 ~ 75 ℃ Working humidity: 0~95 %RH Storage humidity: 0~98 %RH Tolerance - 20 / + 75 ℃, every 2h a cycle, thermal shock, under the impact of the cycle of at least 20 don't appear dysfunction or performance degradation, no significant tin crack phenomenon. When working for a long time, the temperature rise of the circuit components should meet the requirements of their own specifications.
