MSP430 datasheet(69/88 Pages) TI

69 / 88 page

7.6.1.30 ADC_OUT Register (Offset = 2Dh) [Reset = 0000h]

Return to the Register Map.

Table 7-41. ADC_OUT Register Field Descriptions

Bit

Field

Type

Reset

Description

15-12

RESERVED

11-0

DATA

ADC Data for Each Conversion

Does not include ADC_OFFSET.DATA adjustment. Is not affected by

ADC_BYP.DATA.

7.6.1.31 ADC_BYP Register (Offset = 2Eh) [Reset = 0000h]

ADC_BYP is shown in ADC_BYP Register Field Descriptions.

Return to the Register Map.

Table 7-42. ADC_BYP Register Field Descriptions

Bit

Field

Type

Reset

Description

DATA_BYP_EN

R/W

Data Bypass Enable

Applies ADC_BYP.DATA to the ADC channel being converted.

ADC_OFFSET is ignored. Do not set OFST_BYP_EN and

DATA_BYP_EN at the same time. If OFST_BYP_EN is also

set, OFST_BYP_EN takes priority over DATA_BYP_EN. In this

case, ADC_BYP.DATA is used for the ADC_OFFSET register, and

DATA_BYP_EN is forced to 0. After a channel is converted, the

ADC_BYP.DATA value appears in the readback register and is used

to calculate faults.

0h = Data bypass disabled (default)

1h = Data bypass enabled

OFST_BYP_EN

R/W

Offset Bypass Enable

Overrides the offset register with the ADC_BYP.DATA value. When

using this bit, the ADC_BYP.DATA field is processed as 2's

complement. Do not set OFST_BYP_EN and DATA_BYP_EN at the

same time.

0h = Offset bypass disabled (default)

1h = Offset bypass enabled

DIS_GND_SAMP

R/W

Disable GND Sampling

This bit disables the sampling of GND during SAR activity. The

sampling of GND is used to fully discharge the sampling CAP to

reduce channel crosstalk.

0h = GND sampling enabled (default)

1h = GND sampling disabled

RESERVED

11-0

DATA

R/W

Bypass Data

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SLASF21 – DECEMBER 2022

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