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MC9S12P64CFT 参数 Datasheet PDF下载

MC9S12P64CFT图片预览
型号: MC9S12P64CFT
PDF下载: 下载PDF文件 查看货源
内容描述: 微控制器 [Microcontrollers]
分类和应用: 微控制器外围集成电路时钟
文件页数/大小: 566 页 / 7414 K
品牌: FREESCALE [ Freescale ]
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S12 Clock, Reset and Power Management Unit (S12CPMU)  
7.4.4  
Full Stop Mode using Oscillator Clock as Bus Clock  
An example of what happens going into Full Stop Mode and exiting Full Stop Mode after an interrupt is  
shown in Figure 7-33.  
Disable PLL Lock interrupt (LOCKIE=0) and oscillator status change interrupt (OSCIE=0) before going  
into Full Stop Mode.  
Figure 7-33. Full Stop Mode using Oscillator Clock as Bus Clock  
wakeup  
interrupt continue execution  
execution  
STOP instruction  
CPU  
Core  
Clock  
t
STP_REC  
t
lock  
PLLCLK  
OSCCLK  
UPOSC  
select OSCCLK as Core/Bus Clock by writing PLLSEL to “0”  
PLLSEL  
automatically set when going into Full Stop Mode  
S12P-Family Reference Manual, Rev. 1.13  
240  
Freescale Semiconductor  
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