■ Arm Cortex-M23 Core
● Armv8-M architecture
● Maximum operating frequency: 48 MHz
● Arm Memory Protection Unit (Arm MPU) with 8 regions
● Debug and Trace: DWT, FPB, CoreSight™ MTB-M23
● CoreSight Debug Port: SW-DP
■ Memory
● Up to 64-KB code flash memory
● 2-KB data flash memory (100,000 program/erase (P/E) cycles)
● 8-KB SRAM
● Memory protection units
● 128-bit unique ID
■ Connectivity
● Serial Communications Interface (SCI) × 1
– Asynchronous interfaces
– 8-bit clock synchronous interface
– Simple IIC
– Simple SPI
– Smart card interface
● Serial Peripheral Interface (SPI) × 1
● I3C bus interface (I3C) × 1
■ Analog
● 12-bit A/D Converter (ADC12)
● Temperature Sensor (TSN)
■ Timers
● General PWM Timer 16-bit (GPT16) × 6
● Low Power Asynchronous General Purpose Timer (AGTW) × 2
● Watchdog Timer (WDT)
■ Safety
● SRAM parity error check
● Flash area protection
● ADC self-diagnosis function
● Clock Frequency Accuracy Measurement Circuit (CAC)
● Cyclic Redundancy Check (CRC) calculator
● Data Operation Circuit (DOC)
● Port Output Enable for GPT (POEG)
● Independent Watchdog Timer (IWDT)
● GPIO readback level detection
● Register write protection
● Illegal memory access detection
■ Security and Encryption
● AES128/256
● True Random Number Generator (TRNG)
■ System and Power Management
● Low power modes
● Event Link Controller (ELC)
● Data Transfer Controller (DTC)
● Key Interrupt Function (KINT)
● Power-on reset
● Low Voltage Detection (LVD) with voltage settings
■ Multiple Clock Sources
● High-speed on-chip oscillator (HOCO) (24/32/48/64 MHz)
● Middle-speed on-chip oscillator (MOCO) (8 MHz)
● Low-speed on-chip oscillator (LOCO) (32.768 kHz)
● Clock trim function for HOCO/MOCO/LOCO
● IWDT-dedicated on-chip oscillator (15 kHz)
● Clock out support
■ Up to 20 pins for general I/O ports
● 5-V tolerance, open drain, input pull-up