New STM32H7A3/7B3 lines

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The STM32H7A3/7B3 lines of microcontrollers include an Arm® Cortex®-M7 core (with double-precision floating point unit) running up to 280 MHz

Performance

280 MHz fCPU
1414 CoreMark
599 DMIPS executing from Flash memory, with 0-wait states thanks to its L1 cache.
L1 cache (16 Kbytes of I-cache +16 Kbytes of D-cache) boosting execution performance from external memories.

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