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CMS8S5880 is an enhanced Flash MCU with 1T 8051 core, working voltage 2.1V-4.5V, main frequency up to 24MHz, I/O up to 18, ADC, PWM, 2 UART, 1 SPI, 1 I2C, sleep state The lower quiescent current is less than 6uA, and it can work from -40°C to 105°C. Packages such as TSSOP20/QFN20 are available.

> 1T enhanced 8051 core, about 8 times faster than 80C51

> Operating frequency: 24MHz

> Operating voltage: 2.1-4.5V  

> Operating temperature: -40℃-105℃

> 16KB Flash, 256 Bytes SRAM, 512 Bytes XRAM, 1K Bytes Data Flash

> Up to 18 GPIOs> Flexible configuration of system clock

> Low power mode> 1.1mA @IDLE mode> 6uA @Sleep mode

> Up to 5 general-purpose timers

> 1 independent serial port baud rate generator BRT

> 1 WDT timer, can wake up regularly

> Up to 6 channels of PWM output, PWM output port can be multi-port mapping

> Up to 18 channels of high-precision 12BIT ADC, conversion rate 140Kps

> 2 general UART, baud rate can be BRT timer generation, support 115K rate

> 1 SPI interface

> 1 I2C interface

> Built-in low voltage reset LVR

> 96BIT unique ID (UID)

> Support IAP/ICP/ISP

> Support serial debugging (SWD)