The SH79F1612AX with sinowealth TSSOP-20 RoHS is a low power, 8-bit CMOS microcontroller manufactured by Sinowealth. This device is part of the SH79F16xx family of microcontrollers, which is designed for applications with low power requirements. This version of the microcontroller comes in a RoHS compliant TSSOP-20 package. It has a maximum operating frequency of 40MHz and comes with a wide range of peripheral devices such as: two 16 bit timer/counters, 8-channel 12-bit A/D converter, 3-channel 12-bit D/A converter, I2C serial interface, and SPI serial interface. The microcontroller also features 128Kbytes of Flash memory, 4Kbytes of data RAM, and 8Kbytes of code RAM, as well as a wide range of operating voltage ranges from 2.7V to 5.5V.