AD7779 datasheet(91/97 Pages) AD

91 / 97 page

Data Sheet

AD7779

Rev. 0 | Page 91 of 97

CHANNEL 6/CHANNEL 7 DSP ERRORS REGISTER

Address: 0x057, Reset: 0x00, Name: CH6_7_SAT_ERR

Channel 6 - ADC convers ion has

exceeded lim its and has been clam ped

Channel 7 - Modulator output s aturation

error

Channel 6 - Filter res ult has exceeded

a reas onable level, before offs et and

gain calibration has been applied.

Channel 7 - Filter res ult has exceeded

a reas onable level, before offs et and

gain calibration has been applied.

Channel 6 - Modulator output s aturation

error

Channel 7 - ADC convers ion has

exceeded lim its and has been clam ped

[7:6] RESERVED

[0] CH6_ERR_OUTPUT_SAT (R)

[5] CH7_ERR_MOD_SAT (R)

[1] CH6_ERR_FILTER_SAT (R)

[4] CH7_ERR_FILTER_SAT (R)

[2] CH6_ERR_MOD_SAT (R)

[3] CH7_ERR_OUTPUT_SAT (R)

Table 130. Bit descriptions for CH6_7_SAT_ERR

Bits

Bit Name

Settings

Description

Reset

Access

CH7_ERR_MOD_SAT

Channel 7—Modulator Output Saturation Error

0x0

CH7_ERR_FILTER_SAT

Channel 7—Filter result has exceeded a reasonable level, before offset and

gain calibration has been applied

0x0

CH7_ERR_OUTPUT_SAT

Channel 7—ADC conversion has exceeded limits and has been clamped

0x0

CH6_ERR_MOD_SAT

Channel 6—Modulator Output Saturation Error

0x0

CH6_ERR_FILTER_SAT

Channel 6—Filter result has exceeded a reasonable level, before offset and

gain calibration has been applied

0x0

CH6_ERR_OUTPUT_SAT

Channel 6—ADC conversion has exceeded limits and has been clamped

0x0

CHANNEL 0 TO CHANNEL 7 ERROR REGISTER ENABLE REGISTER

Address: 0x058, Reset: 0xFE, Name: CHX_ERR_REG_EN

ADC convers ion error test enable

Reference detect test enable

Filter saturation error test enable

AINx+ overvoltage test enable

Enable error flag for Modulator saturation

AINx+ undervoltage test enable

AINx- undervoltage test enable

AINx- overvoltage test enable

[7] OUTPUT_SAT_TEST_EN (R/W)

[0] REF_DET_TEST_EN (R/W)

[6] FILTER_SAT_TEST_EN (R/W)

[1] AINP_OV_TEST_EN (R/W)

[5] MOD_SAT_TEST_EN (R/W)

[2] AINP_UV_TEST_EN (R/W)

[4] AINM_UV_TEST_EN (R/W)

[3] AINM_OV_TEST_EN (R/W)

Table 131. Bit Descriptions for CHX_ERR_REG_EN

Bits

Bit Name

Settings

Description

Reset

Access

OUTPUT_SAT_TEST_EN

ADC Conversion Error Test Enable

0x1

R/W

FILTER_SAT_TEST_EN

Filter Saturation Test Enable

0x1

R/W

MOD_SAT_TEST_EN

Enable Error Flag for Modulator Saturation

0x1

R/W

AINM_UV_TEST_EN

AINx− Undervoltage Test Enable

0x1

R/W

AINM_OV_TEST_EN

AINx− Overvoltage Test Enable

0x1

R/W

AINP_UV_TEST_EN

AINx+ Undervoltage Test Enable

0x1

R/W

AINP_OV_TEST_EN

AINx+ Overvoltage Test Enable

0x1

R/W

REF_DET_TEST_EN

Reference Detect Test Enable

0x0

R/W

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