标题: 关于K10的 [打印本页] 作者: 雨N梦 时间: 2012-2-18 19:56 标题: 关于K10的 K10中SysTick寄存器有哪些和它们的作用 谢谢 作者: luojihao24669 时间: 2012-2-19 12:46
3.2.1.2 System Tick Timer
The System Tick Timer's clock source is always the core clock, FCLK. This results in the
following:
• The CLKSOURCE bit in SysTick Control and Status register is always set to select
the core clock.
• Because the timing reference (FCLK) is a variable frequency, the TENMS bit in the
SysTick Calibration Value Register is always zero.
• The NOREF bit in SysTick Calibration Value Register is always set, implying that
FCLK is the only available source of reference timing.作者: luojihao24669 时间: 2012-2-19 12:47