Microchip ATSAML21G18B-AUT, 32bit ARM Cortex M0 Microcontroller, SAM L1, 48MHz, 256 kB Flash, 48-Pin TQFP

The Microchip technology SAML1 family type, TQFP package, surface mount, 48-pin ARMCortex-M0 based 32-bit microcontroller has a maximum voltage rating of 3.63V. It is an ultra-low-power ATSAML1 based flash microcontroller (MCU) that features power management technologies and consumes under 35MHz in active mode and 200nA in sleep mode. In addition to ultra-low-power performance, this device features full-speed USB host and device, event system and sleepwalking, 12-bit analogue, AES, capacitive touch sensing and built-in op-amps.

• 256KB in-system self-programmable Flash
• 32KB SRAM Main Memory
• 8KB Flash Read-While-Write section
• 8KB SRAM Low power Memory
• ARM Cortex-M0+CPU running at up to 48MHz
• Battery backup support
• CRC-32 generator
• Embedded Buck/LDO regulator supporting on-the-fly selection
• Idle, standby, backup, and Off sleep modes
• One 12-bit, 1MSPS analogue-to-Digital Converter (ADC)
• One Configurable Custom Logic (CCL)
• Operating temperature ranges between - 40°C and 85°C
• Peripheral Touch Controller (PTC)
• Three Operational Amplifiers (OPAMP)
• Two analogue Comparators (AC) with window compare function
• Two performance levels
• Two-channel, 12-bit, 1MSPS Dual Output Digital-to-Analog Converter (DAC)
• Two-pin Serial Wire Debug (SWD) programming, test and debugging interface
• Ultra-Low Power Architecture consuming under 35uA/MHz in Active mode
• Wake-up on touch in standby mode
• Watchdog Timer (WDT)

• Consumer appliances
• Home automation
• Industrial
• Metering