M263 datasheet(367/398 Pages) NUVOTON

367 / 398 page

M261/M262/M263

Mar 25, 2020

Page 367 of 398

Rev 1.02

Parameter

Symbol

Min.

Typ.

Max.

Unit

Test Conditions

Clock Fall Time

tCHCL

LXT Input Pin Input High Voltage

Xin_VIH

0.7*VDD

LXT Input Pin Input Low Voltage

Xin_VIL

0.3*VDD

tCHCX

90%

10%

tCLCH

tCHCL

tCLCX

tCLCL

Xin_VIL

Xin_VIH

Note: Duty cycle is 50%.

8.4.5

12 MHz Internal High Speed RC Oscillator (HIRC)

Symbol

Parameter

Min.

Typ.

Max.

Unit

Test Conditions

VHRC

Supply voltage

1.7

3.6

fHRC

Center Frequency

MHz

Internal Oscillator Frequency

[*1]

-0.35

0.35

TA = 25 °C,

VDD = 3.3V

-3.6

2.7

TA = -40C ~ +105 °C,

VDD = 1.7 ~ 3.6V

IHRC

Operating current

A

Stable time

Note: Guaranteed by characterization, not tested in production.

8.4.6

48 MHz Internal High Speed RC Oscillator (HIRC48)

Symbol

Parameter

Min.

Typ.

Max.

Unit

Test Conditions

VHRC

Supply voltage

1.7

3.6

fHRC

Center Frequency

MHz

Frequency drift over temperarure

and volatge

[*1]

-0.285

0.8715

TA = 25 °C,

VDD = 3.3V

-3.555

2.41

TA = -40C ~ +105 °C,

VDD = 1.7 ~ 3.6V

IHRC

Operating current

100

A

Stable time

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