Texas Instruments MSP430x4xx Computer Hardware User Manual


 
SD16_A Registers
22-16 SD16_A
SD16CCTL0, SD16_A Control Register 0
15 14 13 12 11 10 9 8
Reserved SD16BUFx SD16UNI SD16XOSR SD16SNGL SD16OSRx
r0 rw0 rw0 rw0 rw0 rw0 rw0 rw0
76543210
SD16
LSBTOG
SD16
LSBACC
SD16
OVIFG
SD16DF SD16IE SD16IFG SD16SC Reserved
rw0 rw0 rw0 rw0 rw0 rw0 rw0 r0
Reserved
Bit 15 Reserved
SD16BUF
Bits
1413
High impedance input buffer mode
00 Buffer disabled
01 Slow speed/current
10 Medium speed/current
11 High speed/current
SD16UNI
Bit 12 Unipolar mode select
0 Bipolar mode
1 Unipolar mode
SD16XOSR
Bit 11 Extended oversampling ratio. This bit, along with the SD16OSRx bits,
select the oversampling ratio. See SD16OSRx bit description for settings.
SD16SNGL
Bit 10 Single conversion mode select
0 Continuous conversion mode
1 Single conversion mode
SD16OSRx
Bits
9-8
Oversampling ratio
When SD16XOSR = 0
00 256
01 128
10 64
11 32
When SD16XOSR = 1
00 512
01 1024
10 Reserved
11 Reserved
SD16
LSBTOG
Bit 7 LSB toggle. This bit, when set, causes SD16LSBACC to toggle each time
the SD16MEM0 register is read.
0 SD16LSBACC does not toggle with each SD16MEM0 read
1 SD16LSBACC toggles with each SD16MEM0 read