■ 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, and CoreSight™ MTB-M23
 CoreSight Debug Port: SW-DP
■ Memory
 Up to 256-KB code flash memory
 8-KB data flash memory (100,000 program/erase (P/E) cycles)
 Up to 32-KB SRAM
 Flash Cache (FCACHE)
 Memory Protection Unit (MPU)
 Memory Mirror Function (MMF)
 128-bit unique ID
■ Connectivity
 USB 2.0 Full-Speed (USBFS) module
- On-chip transceiver with voltage regulator
- Compliant with USB Battery Charging Specification 1.2
 Serial Communications Interface (SCI) × 3
- UART
- Simple IIC
- Simple SPI
 Serial Peripheral Interface (SPI) × 2
 I2C bus interface (IIC) × 2
 Controller Area Network (CAN) module