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ST72F521 数据表(PDF) 176 Page - STMicroelectronics

部件名 ST72F521
功能描述  80/64-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE
PDF  215 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST72F521 数据表(HTML) 176 Page - STMicroelectronics

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CLOCK CHARACTERISTICS (Cont’d)
12.5.4 RC Oscillators
Figure 93. Typical fOSC(RCINT) vs TA
Note: To reduce disturbance to the RC oscillator,
it is recommended to place decoupling capacitors
between VDD and VSS as shown in Figure 113
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fOSC (RCINT)
Internal RC oscillator frequency
See Figure 93
TA=25°C, VDD=5V
23.5
5.6
MHz
3
3.2
3.4
3.6
3.8
4
-45
0
25
70
130
TA(°C)
Vdd = 5V
Vdd = 5.5V



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