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ST10F272E Datasheet(PDF) 112 Page - STMicroelectronics

Part # ST10F272E
Description  16-bit MCU with 256 Kbyte Flash memory and 12/20 Kbyte RAM
PDF  181 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST10F272E Datasheet(HTML) 112 Page - STMicroelectronics

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Programmable output clock divider
ST10F272B/ST10F272E
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Programmable output clock divider
A specific register mapped on the XBUS allows to choose the division factor on the
CLKOUT signal (P3.15). This register is mapped on X-Miscellaneous memory address
range.
When CLKOUT function is enabled by setting bit CLKEN of register SYSCON, by default the
CPU clock is output on P3.15. Setting bit XMISCEN of register XPERCON and bit XPEN of
register SYSCON, it is possible to program the clock prescaling factor: in this way on P3.15
a prescaled value of the CPU clock can be output.
When CLKOUT function is not enabled (bit CLKEN of register SYSCON cleared), P3.15
does not output any clock signal, even though XCLKOUTDIV register is programmed.



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