■ Arm Cortex-M4 Core with Floating Point Unit (FPU)
 Armv7E-M architecture with DSP instruction set
 Maximum operating frequency: 48 MHz
 Support for 4-GB address space
 Arm Memory Protection Unit (Arm MPU) with 8 regions
 Debug and Trace: ITM, DWT, FPB, TPIU, ETB
 CoreSight™ Debug Port: JTAG-DP and SW-DP
■ Memory
 256-KB code flash memory
 8-KB data flash memory (100,000 program/erase (P/E) cycles)
 32-KB SRAM
 Flash Cache (FCACHE)
 Memory Protection Unit (MPU)
 128-bit unique ID
■ Connectivity
 USB 2.0 Full-Speed Module (USBFS)
- On-chip transceiver with voltage regulator
- Compliant with USB Battery Charging Specification 1.2
 Serial Communications Interface (SCI) × 4
- UART
- Simple IIC
- Simple SPI
 Serial Peripheral Interface (SPI) × 2
 I2C bus interface (IIC) × 2
 Controller Area Network (CAN) module
 Serial Sound Interface Enhanced (SSIE)