S3C72N4 Ver la hoja de datos (PDF) - Samsung

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S3C72N4

The S3C72N2/C72N4 single-chip CMOS microcontroller has been designed for high performance using Samsung's newest 4-bit CPU core, SAM47

Samsung 

ELECTRICAL DATA

S3C72N2/C72N4/P72N4

Table 13-3. Main System Clock Oscillator Characteristics

(TA = – 40 °C + 85 °C, VDD = 1.8 V to 5.5 V)

Oscillator

Clock

Configuration

Parameter

Test Condition

Min Typ Max Units

Ceramic

XIN XOUT

Oscillation frequency

–

0.4

–

6.0 MHz

Oscillator

(1)

C1

C2

Stabilization time (2) Stabilization occurs

–

–

4

ms

when VDD is equal to

the minimum oscillator

voltage range.

Crystal

XIN XOUT

Oscillation frequency

–

0.4

–

6.0 MHz

Oscillator

(1)

External

Clock

C1

C2

Stabilization time (2) VDD = 4.5 V to 5.5 V

–

–

10 ms

VDD = 1.8 V to 4.5 V

–

–

30

XIN XOUT XIN input frequency (1)

–

0.4

–

6.0 MHz

RC

Oscillator

XIN input high and low

–

83.3 –

level width (tXH, tXL)

XIN XOUT

R

Frequency (1)

VDD = 5 V

0.4

−

R = 20 KΩ, VDD = 5 V

R = 39 KΩ, VDD = 3 V

2.0

1.0

–

ns

2 MHz

NOTES:

1. Oscillation frequency and XIN input frequency data are for oscillator characteristics only.

2. Stabilization time is the interval required for oscillator stabilization after a power-on occurs, or when stop mode is

terminated.

13-6

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