AT32F421 Overview
AT32F421 Series Datasheet ARM®-based 32-bit Cortex®-M4 MCU with 16 KB to 64 KB Flash, sLib, 10 timers, 1 ADC, 1 CMP, 7 munication interfaces.
AT32F421 Key Features
- Core: ARM® 32-bit Cortex®-M4 CPU
- 120 MHz maximum frequency, with a memory protection unit (MPU), single-cycle multiplication and hardware division
- DSP instructions
- Memories
- 16 to 64 KB of internal Flash memory
- 4 Kbytes of boot memory used as a
- sLib: configurable part of main Flash set as a library area with code executable but secured, non-readable
- 8 to 16 Kbytes of SRAM
- Power control (PWC)
- 2.4 to 3.6 V power supply