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ST7MC1K2-Auto Fiches technique(PDF) 341 Page - STMicroelectronics

No de pièce ST7MC1K2-Auto
Description  Clock, reset and supply management
PDF  371 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7MC1K2-Auto Fiches technique(HTML) 341 Page - STMicroelectronics

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Obsolete
Product(s)
- Obsolete
Product(s)
ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto
Electrical characteristics
341/371
Figure 151. Example 1: waveforms for zero-crossing detection with sampling at the end of
PWM off-time
Figure 152. Example 2: waveforms for zero-crossing detection with sampling at fSCF
2.
This filter is implemented to wait for comparator stabilization and avoid any wrong information during start-up.
3.
This delay represents the number of clock cycles needed to generate an event as soon as the comparator output or MCO
outputs change.
Example: In tachogenerator mode, this means that capture is performed on the 4th clock cycle after comparator
commutation, that is, there is a variation of (1/fmtc) or (1/fSCF) depending on the case.
fmtc
MCOx
Comparator
output
HST (MCRC)
MTIM
MZREG
A5
A6
A7
XX
A5
Sampling time
Sample
fmtc
fSCF
Comparator
output
HST (MCRC)
MTIM
MZREG
A5
A6
A7
XX
A6
Sampling time
Sample
Obsolete
Product(s)
- Obsolete
Product(s)



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