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ST10F269Z2QX Datasheet(PDF) 140 Page - STMicroelectronics

Part # ST10F269Z2QX
Description  16-BIT MCU WITH MAC UNIT, 256K BYTE FLASH MEMORY AND 12K BYTE RAM
PDF  161 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST10F269Z2QX Datasheet(HTML) 140 Page - STMicroelectronics

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Figure 69 : External Clock Drive XTAL1
21.4.9 - 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
2TCL x (15 - [MCTC])
Memory Tri-state Time
tF
2TCL x (1 - [MTTC])
t1
t3
t4
VIL
t2
tOSC
VIH2



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