st62t62c STMicroelectronics, st62t62c Datasheet - Page 20
st62t62c
Manufacturer Part Number
st62t62c
Description
8-bit Otp/eprom Mcus With A/d Converter, Safe Reset, Auto-reload Timer And Eeprom
Manufacturer
STMicroelectronics
Datasheet
1.ST62T62C.pdf
(78 pages)
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ST62T52C ST62T62C/E62C
CLOCK SYSTEM (Cont’d)
Figure 9. OSG Filtering Principle
Figure 10. OSG Emergency Oscillator Principle
20/78
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