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ST10F280 データシート(PDF) 164 Page - STMicroelectronics

部品番号 ST10F280
部品情報  16-BIT MCU WITH MAC UNIT, 512K BYTE FLASH MEMORY AND 18K BYTE RAM
PDF  186 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST10F280 データシート(HTML) 164 Page - STMicroelectronics

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Figure 79 : External Clock Drive XTAL1
20.4.9 - Memory Cycle Variables
The tables below use three variables which are derived from the BUSCONx registers and represent the
special characteristics of the programmed memory cycle. The following table describes, how these
variables are to be computed.
Description
Symbol
Values
ALE Extension
tA
TCL x [ALECTL]
Memory Cycle Time wait states
tC
2 TCL x (15 - [MCTC])
Memory Tri-state Time
tF
2 TCL x (1 - [MTTC])
t1
t3
t4
VIH2
t2
tOSC
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