ST10F271E STMICROELECTRONICS [STMicroelectronics], ST10F271E Datasheet - Page 111
ST10F271E
Manufacturer Part Number
ST10F271E
Description
16-bit MCU with 128 Kbyte Flash memory and 8/12 Kbyte RAM
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST10F271E.pdf
(180 pages)
- Current page: 111 of 180
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ST10F271B/ST10F271E
22
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.
Programmable output clock divider
111/180
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