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ST9 数据表(PDF) 62 Page - STMicroelectronics

部件名 ST9
功能描述  USER GUIDE
PDF  146 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST9 数据表(HTML) 62 Page - STMicroelectronics

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ST9 USER GUIDE
Figure 25
. INTCLK and CPUCLK Flow Chart
WFI
LPOWFI==0
Yes
No
No
Yes
Previous
WFI_CKSEL==0
Yes
No
CK_AF
Yes
No
Present
CLOCK2/16
CLOCK2/16
CK_AF
Instruction
XT_DIV16==0
Yes
No
CLOCK2/16
(PLL OFF)
CSU_CKSEL=0
PLL-CLOCK
CLOCK2
(PLL OFF)
LOW POWER
Reduced power consumption
Slow mode
Reduced power consumption
Fast mode
CPUCLK Stopped
CPUCLK=INTCLK/N
INTCLK=
PLL is OFF
CKAF_SEL=0
CKAF_ST=0
CKAF_SEL=1
CKAF_ST=1
CSU_CKSEL=0
CSU_CKSEL=0
CLOCK
CSU_CKSEL==0
Yes
No
CLOCK2
(PLL ON)
DX2:0==7
No
Yes
DX2:0==7
Yes
No
CKAF_SEL==0
Yes
No
CK_AF
No
Yes
Present
CK_AF



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