Texas Instruments MSP430x4xx - Manual (Page 317)

OA
16-10 OA
Figure 16−5. Three Opamp Differential Amplifier OAx Interconnections
OAPMx
OAPx
OAFBRx
4R
4R
2R
2R
R
R
R
R
OA0OUT
OA0RBOTTOM
OA0
+
−
OA0TAP
00
01
10
11
0
1
00
01
10
11
000
001
100
011
010
111
110
101
000
001
100
011
010
111
110
101
3
OAPMx
0
1
1
OAFBRx
A14 ext.
OAADC0
4R
4R
2R
2R
R
R
R
R
OA2
+
−
OAADC1
0
1
00
01
10
11
000
001
100
011
010
111
110
101
000
001
100
011
010
111
110
101
3
00
01
10
11
A5 int./ext., OA2O
A14 int.
OA0TAP 0
1
OAADC1
OA1OUT
OAPMx
OAPx
OA1
+
−
00
01
10
11
0
1
00
01
10
11
000
001
100
011
010
111
110
101
OA2RBOTTOM
V2
V1