AT32F421
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
Bootloader
- s Lib: 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
- Power-on reset (POR), low voltage reset
(LVR) and power voltage monitoring (PVM)
- Low power modes: Sleep, Deepsleep and Standby modes; four WKUP pins used for wakeup from Standby mode
- Supports 5 x 32-bit battery powered registers (BPR)
- Clock and reset management (CRM)
- 4 to 25 MHz crystal oscillator (HEXT)
- Internal 48 MHz factory-trimmed HICK (±1% at TA=25 °C, ±2% at TA= -40°C to +105 °C)
- PLL flexible 31 to 500 multiplication and 1 to 15 division factor
- 32 k Hz crystal (LEXT)
- Low speed internal clock (LICK)
- Analog
-...
