STM32H7A3NI Overview
STM32H7A3xI/G Datasheet 32-bit Arm® Cortex®-M7 280 MHz MCUs, up to 2-Mbyte Flash memory, 1.4Mbyte RAM, 46.
STM32H7A3NI Key Features
- 32-bit Arm® Cortex®-M7 core with double-precision FPU and L1 cache
- Up to 2 Mbytes of flash memory with read while write support, plus 1 Kbyte of OTP memory
- ~1.4 Mbytes of RAM: 192 Kbytes of TCM RAM (inc. 64 Kbytes of ITCM RAM + 128 Kbytes of DTCM RAM for time critical routine
- 2x Octo-SPI memory interfaces, I/O multiplexing and support for serial PSRAM/ NOR, Hyper RAM/flash frame formats, runnin
- Flexible external memory controller with up to 32-bit data bus
- SDRAM/LPSDR SDRAM
- 8/16-bit NAND flash memories
- CRC calculation unit Security
- ROP, PC-ROP, active tamper, secure firmware upgrade support General-purpose input/outputs
- Up to 168 I/O ports with interrupt capability