CMS8S5885 series MCU provides 6 channels of enhanced PWM output, up to 18 channels of 12-bit ADC, supports 2 channels of UART, 1 channel of SPI and 1 channel of I2C, comes with buzzer driver, and has a wealth of analog peripherals, which can simplify product peripherals circuit. Industrial standard design, can work at -40℃ to -105℃, and provide TSSOP20, QFN20 package.> Enhanced 1T 8051 > Working voltage: 2.1V-5.5V > Working temperature: -40℃-105℃ > Working frequency: Fsys=Fcpu=24MHz > Built-in 16KB Flash, 1KB Data Flash, 256B general RAM, 1KB general XRAM > Support 4 different oscillation modes > Up to 18 general-purpose GPIO > Support all external port interrupts > Support 7 timer interrupts > Up to 18 channels 12-bit ADC, built-in 1.2V reference voltage, reference voltage optional 1.2V/2.0V /2.4V/3.0V/VDD > 5 16-bit timers > Built-in WDT timer > Built-in LSE timer, support sleep wake-up function > Built-in WUT (wake-up timer) > Support idle and sleep mode > 2 UART serial ports, The baud rate is up to 1Mb/s > 1 SPI, the communication rate is up to 6Mb/s > 1 I2C, the communication rate is up to 400Kb/s > 6-channel enhanced PWM, supports independent and complementary modes, and Programming dead zone delay, mask function and brake function > Built-in low voltage reset function (LVR): 1.8V/2.0V/2.5V/3.5V > Built-in low voltage detection function (LVD): 2.0V/2.2V/2.4V/ 2.7V/3.0V/3.7V/4.0V/4.3V > Beeper > 96bit unique ID (UID) > Package type: TSSOP20, QFN20