The ARM clock inside the ticking timer, ARM beginners very helpful.

6-野火M3-SysTick\CMSIS\core_cm3.c
................\.....\core_cm3.h
................\.....\startup\startup_stm32f10x_cl.s
................\.....\.......\startup_stm32f10x_hd.s
................\.....\.......\startup_stm32f10x_hd_vl.s
................\.....\.......\startup_stm32f10x_ld.s
................\.....\.......\startup_stm32f10x_ld_vl.s
................\.....\.......\startup_stm32f10x_md.s
................\.....\.......\startup_stm32f10x_md_vl.s
................\.....\.......\startup_stm32f10x_xl.s
................\.....\stm32f10x.h
................\.....\system_stm32f10x.c
................\.....\system_stm32f10x.h
................\FWlib\inc\misc.h
................\.....\...\stm32f10x_adc.h
................\.....\...\stm32f10x_bkp.h
................\.....\...\stm32f10x_can.h
................\.....\...\stm32f10x_cec.h
................\.....\...\stm32f10x_crc.h
................\.....\...\stm32f10x_dac.h
................\.....\...\stm32f10x_dbgmcu.h
................\.....\...\stm32f10x_dma.h
................\.....\...\stm32f10x_exti.h
................\.....\...\stm32f10x_flash.h
................\.....\...\stm32f10x_fsmc.h
................\.....\...\stm32f10x_gpio.h
................\.....\...\stm32f10x_i2c.h
................\.....\...\stm32f10x_iwdg.h
................\.....\...\stm32f10x_pwr.h
................\.....\...\stm32f10x_rcc.h
................\.....\...\stm32f10x_rtc.h
................\.....\...\stm32f10x_sdio.h
................\.....\...\stm32f10x_spi.h
................\.....\...\stm32f10x_tim.h
................\.....\...\stm32f10x_usart.h
................\.....\...\stm32f10x_wwdg.h
................\.....\src\misc.c
................\.....\...\stm32f10x_adc.c
................\.....\...\stm32f10x_bkp.c
................\.....\...\stm32f10x_can.c
................\.....\...\stm32f10x_cec.c
................\.....\...\stm32f10x_crc.c
................\.....\...\stm32f10x_dac.c
................\.....\...\stm32f10x_dbgmcu.c
................\.....\...\stm32f10x_dma.c
................\.....\...\stm32f10x_exti.c
................\.....\...\stm32f10x_flash.c
................\.....\...\stm32f10x_fsmc.c
................\.....\...\stm32f10x_gpio.c
................\.....\...\stm32f10x_i2c.c
................\.....\...\stm32f10x_iwdg.c
................\.....\...\stm32f10x_pwr.c
................\.....\...\stm32f10x_rcc.c
................\.....\...\stm32f10x_rtc.c
................\.....\...\stm32f10x_sdio.c
................\.....\...\stm32f10x_spi.c
................\.....\...\stm32f10x_tim.c
................\.....\...\stm32f10x_usart.c
................\.....\...\stm32f10x_wwdg.c
................\Listing\startup_stm32f10x_hd.lst
................\.......\STM32-DEMO.map
................\Output\core_cm3.crf
................\......\core_cm3.d
................\......\core_cm3.o
................\......\led.crf
................\......\led.d
................\......\led.o
................\......\main.crf
................\......\main.d
................\......\main.o
................\......\startup_stm32f10x_hd.d
................\......\startup_stm32f10x_hd.o
................\......\STM32-DEMO.axf
................\......\STM32-DEMO.htm
................\......\STM32-DEMO.lnp
................\......\STM32-DEMO.plg
................\......\STM32-DEMO.sct
................\......\STM32-DEMO.tra
................\......\stm32f10x_gpio.crf
................\......\stm32f10x_gpio.d
................\......\stm32f10x_gpio.o
................\......\stm32f10x_it.crf
................\......\stm32f10x_it.d
................\......\stm32f10x_it.o
................\......\stm32f10x_rcc.crf
................\......\stm32f10x_rcc.d
................\......\stm32f10x_rcc.o
................\......\system_stm32f10x.crf
................\......\system_stm32f10x.d
................\......\system_stm32f10x.o
................\......\systick.crf
................\......\systick.d
................\......\systick.o
................\USER\JLink Regs CM3.txt
................\....\JLinkLog.txt
................\....\JLinkSettings.ini
................\....\led.c
................\....

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