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■ 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