WS51F7030 series IoT MCUs are high-performance, low-power 8051-core MCUs launched by Shenzhen Qianhai WiseSun Intelligent Technology Co., Ltd. This series of MCUs adopts 1T process, built-in 8KB Flash, 512B SRAM, 128B EEPROM, supports 12 channels through CS-10V low-power Touch Key, 1 5-bit precision DAC, 3 pairs of 6-channel 16-bit complementary output PWM, 3 general-purpose timers, 1 UART, 1 I2C, 1 WDT, 1 WKT, software LED drive, software LCD drive.