MicroThe STC15W408AS-35I-TSSOP28 is a microcontroller unit (MCU, MPU, or SOC) manufactured by STC Micro. It is a 8KB 512Byte FLASH MCU which is RoHS compliant and comes in a TSSOP-28 package. It is part of the STC 51Series of microcontrollers and features an enhanced 8051 core, 35 I/Os, serial communication ports, and up to 25MHz Clock frequency. Its advanced features include a wide working voltage range of 3.3V, an enhanced I/O programmable weak pull-up current of up to 25mA, and various sleep modes for power saving. This STC Micro MCU is ideal for applications requiring a small form factor, low power consumption, and high performance.