ST7FOXF1 datasheet(199/226 Pages) STMICROELECTRONICS

tên linh kiện	ST7FOXF1

Giải thích chi tiết về linh kiện	8-bit MCU with single voltage Flash memory, SPI, I²C, ADC, timers

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ST7FOXF1, ST7FOXK1, ST7FOXK2

Electrical characteristics

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12.6.2

Crystal and ceramic resonator oscillators

The ST7 internal clock can be supplied with ten different Crystal/Ceramic resonator

oscillators. All the information given in this paragraph are based on characterization results

with specified typical external components. In the application, the resonator and the load

capacitors have to be placed as close as possible to the oscillator pins in order to minimize

output distortion and start-up stabilization time. Refer to the crystal/ceramic resonator

manufacturer for more details (frequency, package, accuracy...).

Figure 87.

Typical application with a crystal or ceramic resonator

Table 80.

Crystal/ceramic resonator oscillator characteristics

Symbol

Parameter

Conditions

Min Typ Max Unit

fCrOSC

Crystal oscillator frequency

MHz

CL1

CL2

Recommended load capacitance

versus equivalent serial

resistance of the crystal or

ceramic resonator (RS)

TBD

OSC2

OSC1

fOSC

CL1

CL2

RESONATOR

WHEN RESONATOR WITH

INTEGRATED CAPACITORS

ST7FOX

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