ST72T511R interrupts equivalent, (st72t311r - st72t532r) 8-bit mcu with nested interrupts.
ST72511R9 ST72511R7 ST72511R6 ST72311R9 ST72311R7 ST72311R6 ST72512R4 ST72532R4 Program memory - bytes 60K 48K 32K 60K 48K 32K 16K 16K RAM (stack) - bytes 2048 (256) 1536.
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