MSP430F23X_14 Datasheet, PDF (47/93 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

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MSP430F23x
MSP430F24x(1)
MSP430F2410
SLAS547I – JUNE 2007 – REVISED DECEMBER 2012
DCO With External Resistor R_OSC(1)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
f_DCO,ROSC DCO output frequency with R_OSC
D_T
Temperature drift
TEST CONDITIONS
DCOR = 1,
RSELx = 4, DCOx = 3, MODx = 0,
T_A = 25°C
DCOR = 1,
RSELx = 4, DCOx = 3, MODx = 0
V_CC
2.2 V
3V
2.2 V, 3 V
D_V
Drift with V_CC
DCOR = 1,
RSELx = 4, DCOx = 3, MODx = 0
2.2 V, 3 V
TYP
1.8
1.95
UNIT
MHz
±0.1 %/°C
10 %/V
(1) R_OSC = 100 kΩ. Metal film resistor, type 0257, 0.6 W with 1% tolerance and T_K = ±50 ppm/°C.
Typical Characteristics - DCO With External Resistor R_OSC
10.00
DCO FREQUENCY
vs
R_OSC
V_CC = 2.2 V, T_A = 25°C
10.00
DCO FREQUENCY
vs
R_OSC
V_CC = 3 V, T_A = 25°C
1.00
1.00
RSELx = 4
RSELx = 4
0.10
0.10
0.01
10.00
100.00
1000.00
R_OSC − External Resistor − kW
Figure 19.
10000.00
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0.00
−50.0 −25.0
DCO FREQUENCY
vs
TEMPERATURE
V_CC = 3 V
R_OSC = 100k
R_OSC = 270k
R_OSC = 1M
0.0 25.0 50.0 75.0
T_A − Temperature − C
Figure 21.
100.0
Copyright © 2007–2012, Texas Instruments Incorporated
0.01
10.00
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0.00
2.0
100.00
1000.00
R_OSC − External Resistor − kW
Figure 20.
DCO FREQUENCY
vs
SUPPLY VOLTAGE
T_A = 25°C
10000.00
R_OSC = 100k
R_OSC = 270k
R_OSC = 1M
2.5
3.0
3.5
4.0
V_CC − Supply Voltage − V
Figure 22.
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