ST62E25C ST Microelectronics, ST62E25C Datasheet - Page 16
ST62E25C
Manufacturer Part Number
ST62E25C
Description
(ST62T15C / ST62T25C) 8-BIT OTP/EPROM MCUs WITH A/D CONVERTER
Manufacturer
ST Microelectronics
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ST62T15C/T25C/E25C
CLOCK SYSTEM (Cont’d)
Figure 9. OSG Filtering Principle
Figure 10. OSG Emergency Oscillator Principle
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Emergency
Frequency
Oscillator
Oscillator
Internal
(1)
(2)
(3)
(4)
(1)
(2)
(3)
(4)
Main
Resulting Internal Frequency
Maximum Frequency for the device to work correctly
Actual Quartz Crystal Frequency at OSCin pin
Noise from OSCin
VR001932
VR001933