Texas Instruments MSP430x4xx User Manual
Page 401

ADC12 Registers
20-25
ADC12
ADC12MCTLx, ADC12 Conversion Memory Control Registers
7
6
5
4
3
2
1
0
EOS
SREFx
INCHx
rw−(0)
rw−(0)
rw−(0)
rw−(0)
rw−(0)
rw−(0)
rw−(0)
rw−(0)
Modifiable only when ENC = 0
EOS
Bit 7
End of sequence. Indicates the last conversion in a sequence.
0
Not end of sequence
1
End of sequence
SREFx
Bits
6-4
Select reference
000 V
R+
= AV
CC
and V
R−
= AV
SS
001 V
R+
= V
REF+
and V
R−
= AV
SS
010 V
R+
= Ve
REF+
and V
R−
= AV
SS
011 V
R+
= Ve
REF+
and V
R−
= AV
SS
100 V
R+
= AV
CC
and V
R−
= V
REF−
/ Ve
REF−
101 V
R+
= V
REF+
and V
R−
= V
REF−
/ Ve
REF−
110 V
R+
= Ve
REF+
and V
R−
= V
REF−
/ Ve
REF−
111
V
R+
= Ve
REF+
and V
R−
= V
REF−
/ Ve
REF−
INCHx
Bits
3-0
Input channel select
0000
A0
0001
A1
0010
A2
0011
A3
0100
A4
0101
A5
0110
A6
0111
A7
1000
Ve
REF+
1001
V
REF−
/Ve
REF−
1010
Temperature sensor
1011
(AV
CC
– AV
SS
) / 2
1100
(AV
CC
– AV
SS
) / 2, A12 on MSP430FG43x devices
1101
(AV
CC
– AV
SS
) / 2, A13 on MSP430FG43x devices
1110
(AV
CC
– AV
SS
) / 2, A14 on MSP430FG43x devices
1111
(AV
CC
– AV
SS
) / 2, A15 on MSP430FG43x devices
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