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ST10F280 데이터시트(PDF) 210 Page - STMicroelectronics

부품명 ST10F280
상세설명  16-bit MCU with MAC unit, 512 Kbyte Flash memory and 18 Kbyte RAM
PDF  239 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST10F280 데이터시트(HTML) 210 Page - STMicroelectronics

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Electrical characteristics
ST10F280
210/239
Doc ID 8673 Rev. 3
A complete conversion will take 14 tCC + 2 tSC + 4 TCL (fastest conversion rate = 4.85μs at
40MHz). This time includes the conversion itself, the sample time and the time required to
transfer the digital value to the result register.
20.4
AC characteristics
20.4.1
Test waveforms
Figure 75.
Input / output waveforms
Figure 76.
Float waveforms
20.4.2
Definition of internal timing
The internal operation of the ST10F280 is controlled by the internal CPU clock fCPU. Both
edges of the CPU clock can trigger internal (for example pipeline) or external (for example
bus cycles) operations.
The specification of the external timing (AC Characteristics) therefore depends on the time
between two consecutive edges of the CPU clock, called “TCL”.
The CPU clock signal can be generated by different mechanisms. The duration of TCL and
its variation (and also the derived external timing) depends on the mechanism used to
generate fCPU.
This influence must be regarded when calculating the timings for the ST10F280.
The example for PLL operation shown in Figure 73 refers to a PLL factor of 4.



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