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AT32F405/402 Series Datasheet
ARM®-based 32-bit Cortex®-M4 MCU with FPU, 128 to 256 KB Flash, sLib, 14 timers, 1 ADC, 19 communication interfaces (CAN, OTGHS, OTGFS) Features
Core: ARM® 32-bit Cortex®-M4 CPU with FPU
− 216 MHz maximum frequency, with a memory protection unit (MPU), single-cycle multiplication and hardware division
− Floating point unit (FPU)
− DSP instructions
Memories
− 128 to 256 Kbytes of Flash memory
− 20 Kbytes of boot memory used as a Bootloader or as a general instruction/data memory (one-time programmable)
− sLib: configurable part of main Flash as a library area with code executable but secured, non-readable
− 70 to 102 Kbytes of SRAM (the first 48 KB with parity check)
− QSPI interface for interfacing external SPI memory or SPI RAM extension, supporting add
AT32F402 Datasheet
