ST62T28CM6 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST62T28CM6

8-BIT MCUs WITH A/D CONVERTER, AUTO-RELOAD TIMER, UART, OSG, SAFE RESET AND 28-PIN PACKAGE

STMicroelectronics 

CLOCK SYSTEM (Cont’d)

Figure 9. OSG Filtering Principle

(1)

(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

ST62T28C/E28C

VR001932

VR001933

17/84

17

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