S3P9404 datasheet(13/32 Pages) SAMSUNG

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S3C9404/P9404/C9414/P9414

ELECTRICAL DATA

13-5

Table 13-4. Oscillator Characteristics

(TA = – 40°C to + 85°C)

Oscillator

Clock Circuit

Test Condition

Min

Typ

Max

Unit

Main crystal or

ceramic

XIN

XOUT

DD = 4.5 to 5.5 V

DD = 2.7 to 4.5 V

–

MHz

External clock

XIN

XOUT

DD = 4.5 to 5.5 V

DD = 2.7 to 4.5 V

–

RC oscillator

XIN

XOUT

DD = 4.75 to 5.25 V

R = 8.2K

–

(P1.3/

CLO)

–

Table 13-5. Oscillation Stabilization Time

(TA = – 40°C to + 85°C, VDD = 2.7 V to 5.5 V)

Oscillator

Test Condition

Min

Typ

Max

Unit

Main crystal

OSC > 1.0 MHz

–

Main ceramic

Oscillation stabilization occurs when V

DD is equal

to the minimum oscillator voltage range.

–

External clock

(main system)

IN input high and low width (tXH, tXL)

–

500

Oscillator

stabilization

WAIT when released by a reset

(1)

–

216/f

OSC

–

wait time

WAIT when released by an interrupt

(2)

–

NOTES:

fOSC is the oscillator frequency.

The duration of the oscillator stabilization wait time, tWAIT, when it is released by an interrupt is determined by the

settings in the basic timer control register, BTCON.

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