st62t65cm-auto STMicroelectronics, st62t65cm-auto Datasheet - Page 19

• Manufacturer Part Number: st62t65cm-auto
• Description: 8-bit Otp/eprom/fastrom Mcus With A/d Converter, Safe Reset, Auto-reload Timer, Eeprom And Spi
• Manufacturer: STMicroelectronics

CLOCK SYSTEM (Cont’d)
Figure 9. OSG Filtering Principle
Figure 10. OSG Emergency Oscillator Principle
Emergency
Frequency
Oscillator
Oscillator
Internal
(1)
(2)
(3)
(4)
(1)
(2)
(3)
(4)
Main
Maximum Frequency for the device to work correctly
Actual Quartz Crystal Frequency at OSCin pin
Noise from OSCin
Resulting Internal Frequency
ST62T55CM-Auto ST62T65CM-Auto
VR001932
VR001933
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