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The CMS32M55xx series are dedicated chips designed by us for advanced motor controlling based on the ARM-Cortex M0.

The operating frequency of this chip is 64MHz, the operating voltage is ranged within 2.1V~5V. The chip possesses with 32K Flash memory, 8K SRAM and 30 GPIOs; 6-channel enhanced PWM which is capable of outputting controllable dead-time with complementary signals; 12-bit high speed ADC with sampling rate @ 1.2Msps; internal 2-channel high-performancing OPA; 2-channel analogue comparator; 32-bit hardware divider which only needs 6 system clock. As for the communication ports, the chip provides two UART and one for SPI and I2C.

The chip we design fulfils all industrial grade requirements with operating temperature -40~-105 ℃, multiple integrated drivers (3P+3N, 6N) which lowers the cost of peripheral components and the BOM. 

Additionally, the chip possesses the IEC60730 safety check library, which provide a faster authentication for users during a CLASS B check.

This series are packaged in the forms of SSOP24, QFN40 & LQFP48.

> ARM Cortex M0 cored

> operating voltage：2.1V-5.5V @64MHz

> working temperture：-40℃ - 105℃

> 32KB Flash ROM

> 8KB SRAM

> 2 32-bit/16-bit timer

> 32-bit WDT, with wake-up interruptions

> 6-bit WWDT

> 2 groups of capture/comparison/module(CCP), can be selected to be in either channelA/B

> built-in 32-bit hardware divider

> 6-channel enhanced PWM module

> 2-channel high efficiency analogue OPA

> 2-channel analogue comparator with dual-edging-lag function

> 2-channel PGA with adjustable gaining

> built-in high precision 12-bit low-speed ADC with sampling frequency: 100Ksps

> built-in high precision 12-bit high-speed ADC with sampling frequency: 1.2Msps

> 2 UART ports

> 1 I2C port

> 1 SPI port

> 4 types of oscillator supported

> 4 working modes supported

> 30 general GPIO

> packaging：SSOP24，QFN40 & LQFP48