ST62T10CB6 Просмотр технического описания (PDF) - STMicroelectronics

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ST62T10CB6

8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, OSCILLATOR SAFEGUARD, SAFE RESET AND 20 PINS

STMicroelectronics 

ST62T08C/T09C ST62T10C/T20C/E20C

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

16/70

104

VR001932

VR001933

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