S3C72C8 Datasheet, PDF (20/37 Pages) Samsung semiconductor – The S3C72C8 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core, SAM47 (Samsung Arrangeable M

S3C72C8/P72C8
ELECTRICAL DATA
Table 15-3. Main System Clock Oscillator Characteristics
(T_A = – 40 ^°C + 85 ^°C, V_DD = 1.8 V to 5.5 V)
Oscillator
Clock
Configuration
Parameter
Test Condition
Min Typ Max Units
Ceramic
Xin Xout ^{Oscillation frequency (1)}
–
Oscillator
0.4
–
6.0 MHz
C1
C2
Stabilization time ⁽²⁾
Stabilization occurs
–
–
4
ms
when V_DD is equal to
the minimum
oscillator voltage
range; V_DD = 3.0 V.
Crystal
Xin Xout ^{Oscillation frequency (1)}
–
Oscillator
0.4
–
6.0 MHz
External
Clock
C1
C2
Stabilization time ⁽²⁾
V_DD = 2.7 V to 5.5 V –
–
10 ms
V_DD = 1.8 V to 5.5 V –
–
30
Xin Xout X_in input frequency ⁽¹⁾
–
0.4
–
6.0 MHz
RC
Oscillator
Xin Xout
R
X_in input high and low
level width (t_XH, t_XL)
Frequency
–
R = 25 kΩ,
V_DD = 5 V
83.3 – 1250 ns
–
2
– MHz
R = 40 kΩ,
V_DD = 3 V
–
1
–
NOTES:
1. Oscillation frequency and X_in 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