Datasheet

MSP430FG43x
MIXED SIGNAL MICROCONTROLLER
SLAS380C − APRIL 2004 − REVISED MARCH 2011
36
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
+
−
10 μF 100 nF
AV
SS
MSP430FG43x
+
−
+
−
10 μF 100 nF
10 μF 100 nF
AV
CC
10 μF 100 nF
DV
SS1/2
DV
CC1/2
From
Power
Supply
Apply
External
Reference
+
−
Apply External Reference [V
eREF+
]
or Use Internal Reference [V
REF+
]
V
REF+
or V
eREF+
V
REF
−/V
eREF−
Figure 19. Supply Voltage and Reference Voltage Design V
REF−/
V
eREF−
External Supply
+
−
10 μF 100 nF
AV
SS
MSP430FG43x
+
−
10 μF 100 nF
AV
CC
10 μF 100 nF
DV
SS1/2
DV
CC1/2
From
Power
Supply
+
−
Apply External Reference [V
eREF+
]
or Use Internal Reference [V
REF+
]
V
REF+
or V
eREF+
V
REF−
/V
eREF−
Reference Is Internally
Switched to AV
SS
Figure 20. Supply Voltage and Reference Voltage Design V
REF−/
V
eREF−
= AV
SS
, Internally Connected