STR73XF datasheet(31/53 Pages) STMICROELECTRONICS

部件名	STR73XF

功能描述	ARM7TDMI 32-bit MCU with Flash, 3x CAN, 4 UARTs, 20 timers, ADC, 12 comm. interfaces

PDF	53 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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31 / 53 page

STR73xF

Electrical parameters

31/53

VDD = 5V ± 10%, TA = -40°C to TAmax, unless otherwise specified.

Table 13.

Main Oscillator characteristics

Symbol

Parameter

Conditions

Value

Unit

Min

Typ

Max

fOSC

Oscillator frequency

MHz

Oscillator

Transconductance

1.5

4.2

mA/V

VOSC

Oscillation amplitude

fOSC = 4 MHz, TA= 25

oC-

2.4

fOSC = 8 MHz, TA= 25

oC1.-

VAV

Oscillator operating point

Sine wave middle, TA= 25

0.77

tSTUP

Oscillator Start-up Time

External crystal, VDD = 5.5V,

fOSC = 4 MHz, TA=-40

External crystal, VDD = 5.0V,

fOSC = 4 MHz, TA=25

-5.5

External crystal, VDD = 5.5V,

fOSC = 6 MHz, TA=-40

External crystal, VDD = 5.0V,

fOSC = 6 MHz, TA=25

-3.3

External crystal, VDD = 5.5V,

fOSC = 8 MHz, TA=-40

External crystal, VDD = 5.0V,

fOSC = 8 MHz, TA= 25

-2.7

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