■ 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