Differences

This shows you the differences between two versions of the page.

--- stm32:peripherals:timer_base [2022/12/27 17:48] – [SMCR] ruan
+++ stm32:peripherals:timer_base [2023/10/19 09:49] (current) – frtt
@@ Line 5: / Line 5: @@
 ===== Configuration Registers =====
-==== CR1 - Configuration register 1 ====
+==== TIMx_CR1 - Configuration register 1 ====
 \\ {{timer_reg_cr1.svg}} \\ \\
@@ Line 19: / Line 17: @@
 |:::|1|Counter enabled|
 //*This bit is readonly in center-aligned or encoder mode// \\
-==== DIER - DMA / Interrupt enable register ====
+==== TIMx_DIER - DMA / Interrupt enable register ====
 \\ {{timer_reg_dier.svg}} \\ \\
@@ Line 31: / Line 30: @@
 |:::|1|Update interrupt enabled|
-==== SMCR - Slave mode control register ====
+==== TIMx_SMCR - Slave mode control register ====
 \\ {{timer_reg_smcr.svg}} \\ \\
@@ Line 55: / Line 54: @@
 |:::|011|Encoder mode 3|111|External clock mode 1|
-==== PSC ====
+==== TIMx_PSC - Prescaler register ====
-Prescaler register
 \\ {{timer_reg_psc.svg}} \\ \\
-==== ARR ====
+==== TIMx_ARR - Auto reload register ====
-Auto reload register
 \\ {{timer_reg_arr.svg}} \\ \\
@@ Line 69: / Line 64: @@
 ===== Data Registers =====
-==== CNT ====
+==== TIMx_CNT - Count register ====
-Count register
 \\ {{timer_reg_cnt.svg}} \\ \\
@@ Line 77: / Line 70: @@
 ===== Programming Example =====
-The code snippet bellow shows how to configure and use a GPIO pin as input.
+The code snippet below shows how to configure and use a timer.
 <code c>
@@ Line 85: / Line 78: @@
 /* configure timer */
-TIM2->PSC = 84000u - 1u;              /* Counting with f = 84MHz / 84000 = 1kHz */
+TIM2->PSC = 0u;              /* Counting with f = 84MHz / 1 = 84MHz */
-TIM2->ARR = 512u;                     /* Count to 512 */
+TIM2->ARR = 84000u - 1u;                     /* Count to 84000 */
 TIM2->CR1 |= (0x1 << 0u);             /* Start timer */
 </code>
 \\