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ST7MC2S4-Auto Datenblatt(PDF) 216 Page - STMicroelectronics

Teilenummer ST7MC2S4-Auto
Bauteilbeschribung  Clock, reset and supply management
PDF  371 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7MC2S4-Auto Datenblatt(HTML) 216 Page - STMicroelectronics

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Obsolete
Product(s)
- Obsolete
Product(s)
On-chip peripherals
ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto
216/371
Figure 93.
Step ratio functional diagram
1.
Only in auto-switched mode (SWA = 1 in MCRA register).
fPERIPH
ST[3:0] bits
4
1/2 ratio
1/2
Zn < 55h?
MTIM timer = 100h?
+1
-1
ck
Tratio
R+
R-
2 MHz - 62.5 Hz
Ratio > 0?
Ratio = ratio - 1
Begin
End
Yes
No
Z capture with MTIM timer underflow (Zn < 55h)
Ratio < Fh?
Ratio = ratio + 1
MZREG = MZREG/2
MZPRV = MZPRV/2
MDREG = MDREG/2
Counter = counter/2
Begin
End
Yes
No
MTIM timer overflow
MTIM timer control over Tratio and register operation
Slow-down control
Speed-up control
Compute MCOMP
MPRSR register
MCOMP = MCOMP/21)
MZREG = MZREG x 2
MZPRV = MZPRV x 2
MDREG = MDREG x 2
Counter = counter x 2
MCOMP = MCOMP/2
Obsolete
Product(s)
- Obsolete
Product(s)



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