Industry’s first and lowest power Arm® Cortex®-M23 featuring chip-level security and ARM® TrustZone® Technology, consuming less than 25uA/MHz in active mode and less than 100 nA in sleep mode. It features secure key storage, chip-level tamper resistance, crypto accelerators, secure boot, secure bootloader, enhanced peripheral touch controller, advanced analog, event system and SleepWalking peripherals. SAML11 achieved EEMBC Certified ULPMark score of 400

• Processor:
• ARM Cortex®-M23
• 32 MHz (2.62 CoreMark/MHz and up to 31 DMIPS)
• Single-cycle hardware multiplier
• Hardware divider
• Nested Vector Interrupt Controller (NVIC)
• Memory Protection Unit (MPU)
• Operating Voltage Range:
• 1.62V to 3.63V
• Memory:
• 32 KB Flash
• 8 KB SRAM
• 2 KB Data Flash section for non-volatile data storage
• 256 bytes TrustRAM with physical protection features
• Ultra-Low Power:
• Active, Idle, Standby with partial or full SRAM retention and off sleep modes
• Active mode (< 25 μA/MHz)
• Idle mode (< 10 μA/MHz) with 1.5 μs wake-up time
• Standby with Full SRAM Retention (0.5 μA) with 5.3 μs wake-up time
• Off mode (< 100 nA)
• Security:
• Secure Boot with SHA-based authentication
• Arm TrustZone for flexible hardware isolation of memories and peripherals
• AES-128, SHA-256, and GCM cryptography accelerators
• Chip-level tamper detection to resist microprobing attacks
• Silent access for side channel attack resistance
• Rapid Tamper Erase on scrambling key and RAM data
• Data remanence prevention
• Address and Data scrambling with user-defined key
• One True Random Generator (TRNG)
• Enhanced Peripheral Touch Controller (PTC):
• Driven Shield Plus for moisture tolerance and noise immunity
• Parallel Acquisition through Polarity control
• Supports wake-up on touch from Standby Sleep mode
• Advanced Analog:
• 12-bit, 1 MSPS Analog-to-Digital Converter (ADC)
• Analog Comparators (AC) with window compare function
• 10-bit, 350 KSPS DAC with external and internal outputs
• Operational Amplifiers
• Serial Communication Interfaces (SERCOM) that can operate as:
• USART, I2C, SPI
• Qualification and Class-B Support:
• AEC-Q100 REVH (Grade 1 [-40ºC to +125ºC]) (planned)
• Class-B safety library, IEC 60730 (planned)
• Temperature options:
• -40 C to 85 C
• -40 C to 125 C
• Debugger Development Support:
• Two-pin Serial Wire Debug (SWD) programming and debugging interface