ST72325AR7-Auto datasheet(200/243 Pages) STMICROELECTRONICS

No. de pieza	ST72325AR7-Auto

Descripción Electrónicos	SCI asynchronous serial interface

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Electrical characteristics

ST72325xxx-Auto

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Doc ID 13770 Rev 3

19.5.4

RC oscillators

Figure 78.

Typical fOSC(RCINT) versus TA

Note:

To reduce disturbance to the RC oscillator, it is recommended to place decoupling

capacitors between VDD and VSS as shown in Figure 98.

19.5.5

Clock security system (CSS)

Table 118.

Resonator characteristics

Supplier

fOSC (MHz)

Typical ceramic resonators(1)

Resonator characteristics given by the ceramic resonator manufacturer. For more information on these

resonators, please consult www.murata.com.

Murata

CSTCC2M00G56Z-R0

CSTCR4M00G53Z-R0

CSTCE8M00G52Z-R0

CSTCE16M0V51Z-R0

Table 119.

RC oscillator characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fOSC(RCINT)

Internal RC oscillator frequency

(see Figure 78)

TA =25°C, VDD =5V

3.5

5.6

MHz

3.2

3.4

3.6

3.8

-45

130

TA(°C)

Vdd = 5V

Vdd = 5.5V

Table 120.

CSS characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fSFOSC Safe oscillator frequency

(1)

Data based on characterization results

3MHz

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