ST62E62CD View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST62E62CD

8-BIT OTP/EPROM/FASTROM MCUs WITH A/D CONVERTER, SAFE RESET, AUTO-RELOAD TIMER AND EEPROM

STMicroelectronics 

CLOCK SYSTEM (Cont’d)

Figure 9. OSG Filtering Principle

(1)

ST62T52CM-Auto ST62T62CM-Auto

(2)

(3)

(4)

(1) Maximum Frequency for the device to work correctly

(2) Actual Quartz Crystal Frequency at OSCin pin

(3) Noise from OSCin

(4) Resulting Internal Frequency

Figure 10. OSG Emergency Oscillator Principle

Main

Oscillator

Emergency

Oscillator

Internal

Frequency

VR001932

VR001933

19/72

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