ST72F321AR9TC View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72F321AR9TC

8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE

STMicroelectronics 

CLOCK CHARACTERISTICS (Cont’d)

12.5.4 RC Oscillators

Symbol

fOSC (RCINT)

Parameter

Internal RC oscillator frequency

See Figure 77

Figure 77. Typical fOSC(RCINT) vs TA

Conditions

TA=25°C, VDD=5V

ST72321

Min

Typ

Max Unit

2

3.5

5.6 MHz

4

3.8

3.6

3.4

3.2

3

-45

Vdd = 5V

Vdd = 5.5V

0

25

70

130

TA(°C)

149/185

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