CT Board

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====== Timer Clock Source ======

\\ {{timer_clock.svg}} \\ \\

===== Configuration Registers =====

==== TIMx_CR1 - Configuration register 1 ====

\\ {{timer_reg_cr1.svg}} \\ \\

|< 100% 5em 5em >|
|CKD|00|t<sub>DTS</sub> => t<sub>CKINT</sub>|
|:::|01|t<sub>DTS</sub> => 2 · t<sub>CKINT</sub>|
|:::|10|t<sub>DTS</sub> => 4 · t<sub>CKINT</sub>|
|:::|11|Reserved|

==== TIMx_SMCR - Slave mode control register ====

\\ {{timer_reg_smcr.svg}} \\ \\

|< 100% 5em 5em 20em 5em >|
|ETP|0|ETR is noninverted, active at high level or rising edge (reset state)||
|:::|1|ETR is inverted, active at low level or falling edge||
|ETPS|00|Prescaler off (reset state)||
|:::|01|f<sub>ETRP</sub> / 2||
|:::|10|f<sub>ETRP</sub> / 4||
|:::|11|f<sub>ETRP</sub> / 8||

===== Programming Example =====

The code snippet below shows how to configure and use a GPIO pin as input.

<code c>
#include "reg_stm32f4xx.h"

/* TO-DODELI DOO. */
</code>
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