Texas Instruments MSP430x4xx - Manual (Page 467)

Scan IF Operation
24-7 Scan IF
Figure 24−3. Excitation and Sample-And-Hold Circuitry
SIFEX(tsm)
SIFVSS
1
1
1 0
SIFCH0
SIFCOM
Sample-and-Hold
SIFLCEN(tsm)
SIFTEN
1
0
Damping
Excitation
VSS
1
0
Excitation
=00
VMID Gen
SIFVCC2 1/2
AV
CC
1
0
00
01
10
11
00
01
10
11
to
Comparator
From
Channel
Select Logic
SIFSH