GMS81C1102 Datasheet, PDF (21/89 Pages) Hynix Semiconductor – 8-BIT SINGLE-CHIP MICROCONTROLLERS

GMS81C1102 / GMS81C1202
Typical RC Oscillator
FOSC
Frequency _VS. V_DD
(MHz)
Cext=24pF
2.5 ^Ta=25°C
2.0
R=20k
1.5
R=33K
1.0
R=47K
0.5
R=100K
0
V_DD
2.5 3 3.5 4 4.5 5 5.5 6 (V)
Typical RC Oscillator
F_OSC
Frequency _VS. V_DD
(M Hz)
Cext=39pF
1.6 _Ta=25°C
1.4
R=20K
1.2
1.0
R=33K
0.8
R=47K
0.6
0.4
R=100K
0.2
0
2.5 3 3.5 4 4.5 5 5.5
V_DD
6 (V)
Typical RC O scillator
F_OSC
Frequency _VS. V_DD
(M H z)
0.8 ^Cext=100pF
T a = 2 5 °C
0.7
R=20K
0.6
0.5
R=33K
0.4
R=47K
0.3
0.2
R=100K
0.1
0
2.5 3 3.5 4 4.5 5 5.5
F_OSC
F _{O S C} (25 °C )
1.010
Typical RC Oscillator
Frequency _VS. Tem perature
Cext=24pF
R=25K
1.005
1.000
0.995
V_DD=5V
0.990
0.985
0.980
V_DD=3V
V_DD
6 (V)
0.975
V_DD
0 10 20 30 40 50 60 70 (V)
Cext
Rext
Average
Fosc @ 5V,25°C
20K
2.02MHz
±14.11%
33K
1.34MHz
±11.50%
24pF
47K
0.952MHz
±10.30%
100K
0.48MHz
±9.07%
20K
1.536MHz
±14.79%
33K
1.012MHz
±11.67%
39pF
47K
0.72MHz
±10.42%
100K
0.364MHz
±9.75%
20K
0.78MHz
±13.53%
33K
100pF
47K
0.512MHz
0.364MHz
±10.35%
±9.48%
100K
0.18MHz
±7.34%
Table 10-1 RC Oscillator Frequencies
18
Jan. 2002 ver 2.0