The CMS32H6157 is a high performance, ultra-low power ARM® Cortex®-M0+ core based SoC with high accuracy measurement; main frequency up to 32MHz; operating voltage 1.8V to 4.4V; provides 128K Flash Memory, 2.5K Data Flash, 8KB SRAM; built-in 24-bit Sigma-Delta ADC, supports 1 differential input with selectable gains of 1, 2, 4, 8, 16, 32, 64, 128, 256. and output rate options from 2.5Hz to 2.56KHz; supports an effective resolution up to 20.6 bits, with internal short switch and system chopper switch, integrated temperature sensor; built-in high precision 12-bit ADC with a rate of up to 0.71Msps; integrated programmable OPA, comparator, DAC, multiple UART, IIC, SPI interfaces; supports LCD driver, built-in enhanced DMA; hardware dividers; industrial standard design for operation at -40°C to 85°C; provides LQFP64 package.> ARM® Cortex®-M0+ core > Operating voltage: 1.8V-4.4V @32MHz > Operating temperature: -40℃ - 85℃ > 128KB Flash ROM > 8KB SRAM > 2.5KB DATA FLASH > 8 x 16-bit general purpose timers > 15-bit interval timer > RTC Real Time Clock > CMP, OPA, DAC > Supports 24-bit Sigma-Delta ADC, 1 differential input, up to 20.6-bit effective accuracy, integrated temperature sensor > Built-in high precision 12-bit ADC > 3 UART interfaces 2 I2C interfaces 2 SPI interfaces > Enhanced PWM modules > 54 general purpose GPIOs > Package type: LQFP64