CMS79FT61x MCU supports internal high-precision RC oscillator 8/16MHz, built-in 2 8-bit timers and a 16-bit timer, high-precision 12-bit ADC, 10-bit PWM with complementary output, built-in 1 USART module, providing SOP8, SOP16, SOP20 package.> 8-bit CMOS MCU > FLASH: 2Kx16 > General RAM: 256x8 > Operating voltage range: 2.6V-5.5V@16MHz 2.0V-5.5V@8MHz > Operating temperature range: -40℃-85℃ > 8-level stack buffer > Simple and practical instruction system (68 instructions) > Look-up table function > Support internal RC clock > Built-in WDT timer > Built-in low-voltage detection circuit > Interrupt source _3 timed interrupts _PORTA/PORTB port level change interrupt _others Peripheral interrupt > Timer _8-bit timer TIMER0, TIMER2  _16-bit timer TIMER1 > Built-in touch button detection module _No external touch capacitor required _Support up to 8 touch channels > Built-in 1 USART communication module > Built-in 128-byte program EEPROM (erasable 100,000 times) > Supports complementary output 10-bit PWM > High-precision 12-bit ADC -Built-in high-precision 1.2V reference voltage -±1.5% @VDD=2.5V~5.5V TA=25℃ -± 2% @VDD=2.5V~5.5V TA=-40℃~85℃ _ The internal reference source 2V/2.4V can be selected > PORTA/PORTB supports a variety of source and sink current options > Package types: SOP8, SOP16, SOP20