ST72521 STMICROELECTRONICS [STMicroelectronics], ST72521 Datasheet - Page 175

• 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]

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