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fMaster > 16 MHz on STM8S207: running slower?

Question asked by Nico on Jun 28, 2012
Latest reply on Jun 28, 2012 by Nico
Hi all,

I'm moving a design from STM8S105 to STM8S207.

I'm thinking of raising the clock speed from originally 16MHz to 24 MHz in order to get more MIPS from the core.

However, for clocks > 16 MHz, the flash memory requires 1 waitsate. I suppose that the instructions are fetched by the core from within the flash (i.e. there's no cache).

If the above is true, then the core would run slower with the 24 Mhz clock. The only benefit of a faster clock would be faster peripherals.

Is that correct? (Hm now I'm thinking that I should test that with a scope)