■ 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 128-KB code flash memory
● 4-KB data flash memory (100,000 program/erase (P/E) cycles)
● 16-KB SRAM
● Memory protection units
● 128-bit unique ID
■ Connectivity
● Serial Communications Interface (SCI) × 4
– Asynchronous interfaces
– 8-bit clock synchronous interface
– Simple IIC
– Simple SPI
– Smart card interface
● Serial Peripheral Interface (SPI) × 1
● I2C bus interface (IIC) × 1
■ Analog
● 12-bit A/D Converter (ADC12)
● Low-Power Analog Comparator (ACMPLP) × 2
● Temperature Sensor (TSN)
■ Timers
● General PWM Timer 32-bit (GPT32) × 1
● General PWM Timer 16-bit (GPT16) × 6
● Low Power Asynchronous General Purpose Timer (AGT) × 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
● Main oscillator stop detection
● Illegal memory access detection