ST72521 STMICROELECTRONICS [STMicroelectronics], ST72521 Datasheet - Page 175
ST72521
Manufacturer Part Number
ST72521
Description
8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST72521.pdf
(211 pages)
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CLOCK CHARACTERISTICS (Cont’d)
12.5.4 RC Oscillators
Figure 91. Typical f
f
OSC (RCINT)
Symbol
3.8
3.6
3.4
3.2
4
3
-45
Internal RC oscillator frequency
See
0
Figure 91
OSC(RCINT)
T
Parameter
A
25
(°C)
vs T
Vdd = 5V
Vdd = 5.5V
70
A
130
T
A
=25°C, V
Conditions
DD
=5V
Min
2
Typ
3.5
Max
5.6
ST72521
175/211
MHz
Unit
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