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MSP430F249-EP_14 Datasheet, PDF (58/82 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER
MSP430F249-EP
MIXED SIGNAL MICROCONTROLLER
2008
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
From
Power
+
Supply
−
10 μ F 100 nF
DVCC
DVSS
Apply External Reference [VeREF+]
or Use Internal Reference [VREF+]
+
−
10 μ F 100 nF
+
−
AVCC MSP430F261x
AVSS MSP430F241x
VREF+ or VeREF+
10 μ F
Apply
External
+
Reference −
100 nF
VREF−/VeREF−
10 μ F 100 nF
Figure 39. Supply Voltage and Reference Voltage Design VREF−/VeREF− External Supply
From
Power
+
Supply
−
10 μ F 100 nF
DVCC
DVSS
Apply External Reference [VeREF+]
or Use Internal Reference [VREF+]
+
−
10 μ F 100 nF
+
−
AVCC MSP430F261x
AVSS MSP430F241x
VREF+ or VeREF+
Reference Is Internally
Switched to AVSS
10 μ F 100 nF
VREF−/VeREF−
Figure 40. Supply Voltage and Reference Voltage Design VREF−/VeREF− = AVSS, Internally Connected
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