S3C72B9 查看數據表（PDF） - Samsung

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S3C72B9

The S3C72B5/C72B7/C72B9 single-chip CMOS microcontroller has been designed for high performance using Samsung's newest 4-bit CPU core, SAM47

Samsung 

S3C72B5/C72B7/C72B9/P72B9

ELECTRICAL DATA

Table 15-3. 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

Oscillator

Xin Xout

Oscillation frequency

(1)

–

0.4 – 6.0 MHz

C1 C2

Stabilization time (2) Stabilization occurs

–

–

4 ms

when VDD is equal to

the minimum

oscillator voltage

range; VDD = 3.0 V.

Crystal

Oscillator

Xin Xout

Oscillation frequency

(1)

–

0.4 – 6.0 MHz

External

Clock

C1 C2

Stabilization time (2) VDD = 2.7 V to 5.5 V –

–

10 ms

VDD = 1.8 V to 5.5 V –

–

30

Xin Xout Xin input frequency (1)

–

0.4 – 6.0 MHz

RC

Oscillator

Xin Xout

R

Xin input high and low

level width (tXH, tXL)

Frequency

–

R = 20 kΩ,

VDD = 5 V

83.3 – 1250 ns

–

2

– MHz

R = 39 kΩ,

VDD = 3 V

–

1

–

NOTES:

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

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

terminated.

15-5

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