AT32F421 mcu equivalent, 32-bit mcu.
* Core: ARM® 32-bit Cortex®-M4 CPU
− 120 MHz maximum frequency, with a memory protection unit (MPU), single-cycle multiplication and hardware division
− DSP instruct.
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2
Functionality overview .........11
2.1 ARM®Cortex®-M4 11
2.2 Memory .... 12
2.2.1 Internal Flash memory .....12 2.2.2 Memory protection unit (MPU) ...12 2.2.3 Embedded SRAM...12
2.3 Interrupts .. 12
2.3.1 Nested vectored interrupt.
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