On 19.03.14 16:26, Joep Suijs wrote:
16f88 internal clock is 8 MHz, which is divided to 31.25 kHz by default.
Aha, I'm not surprised with exceptions with Microchip!
The reason I asked is the following:
I want all INTOSC blink samples to run at the same clock frequency.
Since 4 MHz is the default for many PICs this seems the obvious choice
and would not require additional specifications. However when 4 MHz is
not the default clock frequency OSCCON_IRCF needs to be specified to
obtain it. There are 2 problems with this:
1. OSCCON_IRCF can be 2, 3 or 4 bits
2. Even with same number of bits the bit pattern for 4 MHz is
not the same for all PICs
I have a solution for item 1, but not for item 2: I don't know which
PICs use which pattern for 4 MHz without reading all datasheets!
Regards, Rob.
--
R. Hamerling, Netherlands --- http://www.robh.nl
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