Texas Instruments MSP430x4xx - Manual (Page 503)

Scan IF Registers
24-43 Scan IF
SIFVCC2 Bit 8 Mid-voltage generator
0
AV
CC
/2 generator is off
1 AV
CC
/2 generator is on if SIFSH = 0
SIFSH Bit 7 Sample-and-hold enable
0
Sample-and-hold is disabled
1 Sample-and-hold is enabled
SIFTEN Bit 6 Excitation enable
0
Excitation circuitry is disabled
1 Excitation circuitry is enabled
SIFTCH1x Bits
5-4 These bits select the comparator input for test channel 1.
00
Comparator input is SIFCH0 when SIFCAX = 0
Comparator input is SIFCI0 when SIFCAX = 1
01 Comparator input is SIFCH1 when SIFCAX = 0
Comparator input is SIFCI1 when SIFCAX = 1
10 Comparator input is SIFCH2 when SIFCAX = 0
Comparator input is SIFCI2 when SIFCAX = 1
11 Comparator input is SIFCH3 when SIFCAX = 0
Comparator input is SIFCI3 when SIFCAX = 1
SIFTCH0x Bits
3-2 These bits select the comparator input for test channel 0.
00
Comparator input is SIFCH0 when SIFCAX = 0
Comparator input is SIFCI0 when SIFCAX = 1
01 Comparator input is SIFCH1 when SIFCAX = 0
Comparator input is SIFCI1 when SIFCAX = 1
10 Comparator input is SIFCH2 when SIFCAX = 0
Comparator input is SIFCI2 when SIFCAX = 1
11 Comparator input is SIFCH3 when SIFCAX = 0
Comparator input is SIFCI3 when SIFCAX = 1
SIFTCH1
OUT Bit 1 AFE output for test channel 1
SIFTCH0
OUT Bit 0 AFE output for test channel 0