RDA5981 Serial Port WIFI Wireless Transparent Transmission Module HLK-M50 Secondary Development Voice Remote Control Mod

Features 1 The HLK M50 WiFi module is a low power chip that integrates MCU PMU clock and IEEE802 11b g n MAC PHY radio modules 2 The module supports 2 4GHz IEEE802 11b g n USB Host and Device 2 0 HS Micro SD card SDMMC interface UART I2C I2S PMW SPI and other interfaces and supports analog buttons GPADC0 3 The secondary development version under development provides a rich and easy to use development interface for users to develop their own applications based on mbedOS in C or C A large number of guidance documents and test routines are provided in the development kit to make it easy for users to start development quickly MCU  Integrated ARM CM4 MCU maximum clock frequency 160MHz Integrated MPU and mbed uvisor Support external psram interface Built in 8Mbit SPI flash Function pin position programmable GPIO can be interrupted or awakened by an external rising falling edge Integrated UART2 I2S2 I2C1 PWM8 SPI4 SDMMC1 USB2 01 Integrated 2 channel ADC Integrated watchdog and low power timer Operating system uses mbedOS5 1 WLAN  Single chip integration MAC PHY Radio Support 2 4GHz IEEE 802 11b g n Integrated PA LNA 20 40MHz bandwidth up to 150Mbps Support WPA WPA2 WEP TKIP CCMP STA softAP P2P STA softAp STA P2P Support A MPDU A MSDU HT BA Lightweight TCP IP protocol stack Specifications Wireless standards IEEE 802 11n IEEE 802 11g IEEE 802 11bWireless transmission rate 11n up to 150Mbps11g up to 54Mbps11b up to 11Mbps