microchip-application-pec930-pec930_peripheral/Examples/system/sys_tick_src

sys_tick_src

This example is used to configure the clock source of systick

clock source of systick

• LSI
• HSI with divider 2/4/8

Log

Use serial port with baudrate 115200, 8bit, no parity check.

Sep 25 2025 13:23:03
This is a demo projec to configure source of systick
  current tick source: LSI
SYSCFG->SYSCLKCR_b.SYSTICKCR= 0
delay 1 sec
  current tick source: HSI/2
SYSCFG->SYSCLKCR_b.SYSTICKCR= 1
delay 1 sec
  current tick source: HSI/4
SYSCFG->SYSCLKCR_b.SYSTICKCR= 2
delay 1 sec
  current tick source: HSI/8
SYSCFG->SYSCLKCR_b.SYSTICKCR= 3
delay 1 sec
  current tick source: LSI
SYSCFG->SYSCLKCR_b.SYSTICKCR= 0
delay 1 sec
  current tick source: HSI/2
SYSCFG->SYSCLKCR_b.SYSTICKCR= 1
delay 1 sec
  current tick source: HSI/4
SYSCFG->SYSCLKCR_b.SYSTICKCR= 2
delay 1 sec
  current tick source: HSI/8
SYSCFG->SYSCLKCR_b.SYSTICKCR= 3
delay 1 sec
  current tick source: LSI
SYSCFG->SYSCLKCR_b.SYSTICKCR= 0
delay 1 sec
  current tick source: HSI/2
SYSCFG->SYSCLKCR_b.SYSTICKCR= 1
delay 1 sec
  current tick source: HSI/4
SYSCFG->SYSCLKCR_b.SYSTICKCR= 2
delay 1 sec
  current tick source: HSI/8
SYSCFG->SYSCLKCR_b.SYSTICKCR= 3
delay 1 sec
    ...