MSP430F2274-EP_1 Datasheet, PDF (32/77 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F2274-EP
SLAS614C – SEPTEMBER 2008 – REVISED JULY 2010
Typical Characteristics - DCO With External Resistor R_OSC
10.00
10.00
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1.00
1.00
0.10
0.10
RSELx = 4
RSELx = 4
0.01
10.00
100.00
1000.00
10000.00
R_OSC − External Resistor − kW
Figure 14. DCO Frequency vs R_OSC,
V_CC = 2.2 V, T_A = 25°C
2.50
2.25
2.00
R_OSC = 100k
1.75
1.50
1.25
1.00
0.75
R_OSC = 270k
0.50
0.25
R_OSC = 1M
0.00
−50.0 −25.0
0.0 25.0 50.0 75.0
T_A − Temperature − 5C
100.0
Figure 16. DCO Frequency vs Temperature, V_CC =
3.0 V
0.01
10.00
100.00
1000.00
10000.00
R_OSC − External Resistor − kW
Figure 15. DCO Frequency vs R_OSC,
V_CC = 3.0 V, T_A = 25°C
2.50
2.25
2.00
R_OSC = 100k
1.75
1.50
1.25
1.00
0.75
R_OSC = 270k
0.50
0.25
R_OSC = 1M
0.00
2.0
2.5
3.0
3.5
4.0
V_CC − Supply Voltage − V
Figure 17. DCO Frequency vs V_CC, T_A = 25°C
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