SC8F677X is a Cmsemicon MTP chip, Flash 4Kx16Bit, RAM256B, built-in RC oscillator 8MHz/16MHz, working voltage 1.8V-5.5V, up to 8 GPIO, built-in WDT, LVD, high-precision 12-bit ADC, and 5 channels of PWM.> RISC core > Working voltage: 1.8V-5.5V @8MHz > Working temperature: -40℃-85℃ > 4KB Flash ROM > 256 Bytes General RAM > 128B PRO EE > 8-level LVD monitoring > 2 8-bit general-purpose timers > 5-channel enhanced PWM module > Built-in high-precision 12-bit low-speed ADC, sampling rate: 64Ksps > 8 general-purpose GPIO > Package type: SOP8, MSOP10