AD7770 datasheet(91/98 Pages) AD

91 / 98 page

AD7770

Data Sheet

Rev. C | Page 90 of 97

CHANNEL 0/CHANNEL 1 DSP ERRORS REGISTER

Address: 0x054, Reset: 0x00, Name: CH0_1_SAT_ERR

Channel 0 - ADC conversion has

exceeded limits and has been clamped

Channel 1 - Modulator output saturation

error

Channel 0 - Filter result has exceeded

a reasonable level, before offset and

gain calibration has been applied.

Channel 1 - Filter result has exceeded

a reasonable level, before offset and

gain calibration has been applied.

Channel 0 - Modulator output saturation

error

Channel 1 - ADC conversion has

exceeded limits and has been clamped

[7:6] RESERVED

[0] CH0_ERR_OUTPUT_SAT (R)

[5] CH1_ERR_MOD_SAT (R)

[1] CH0_ERR_FILTER_SAT (R)

[4] CH1_ERR_FILTER_SAT (R)

[2] CH0_ERR_MOD_SAT (R)

[3] CH1_ERR_OUTPUT_SAT (R)

Table 128. Bit Descriptions for CH0_1_SAT_ERR

Bits

Bit Name

Settings

Description

Reset

Access

[7:6]

RESERVED

Reserved

0x0

CH1_ERR_MOD_SAT

Channel 1—Modulator output saturation error

0x0

CH1_ERR_FILTER_SAT

Channel 1—Filter result has exceeded a reasonable level, before offset and

gain calibration are applied

0x0

CH1_ERR_OUTPUT_SAT

Channel 1—ADC conversion has exceeded limits and is clamped

0x0

CH0_ERR_MOD_SAT

Channel 0—Modulator output saturation error

0x0

CH0_ERR_FILTER_SAT

Channel 0—Filter result has exceeded a reasonable level, before offset and

gain calibration are applied

0x0

CH0_ERR_OUTPUT_SAT

Channel 0—ADC conversion has exceeded limits and is clamped

0x0

CHANNEL 2/CHANNEL 3 DSP ERRORS REGISTER

Address: 0x055, Reset: 0x00, Name: CH2_3_SAT_ERR

Channel 2 - ADC conversion has

exceeded limits and has been clamped

Channel 3 - Modulator output saturation

error

Channel 2 - Filter result has exceeded

a reasonable level, before offset and

gain calibration has been applied.

Channel 3 - Filter result has exceeded

a reasonable level, before offset and

gain calibration has been applied.

Channel 2 - Modulator output saturation

error

Channel 3 - ADC conversion has

exceeded limits and has been clamped

[7:6] RESERVED

[0] CH2_ERR_OUTPUT_SAT (R)

[5] CH3_ERR_MOD_SAT (R)

[1] CH2_ERR_FILTER_SAT (R)

[4] CH3_ERR_FILTER_SAT (R)

[2] CH2_ERR_MOD_SAT (R)

[3] CH3_ERR_OUTPUT_SAT (R)

Table 129. Bit Descriptions for CH2_3_SAT_ERR

Bits

Bit Name

Settings

Description

Reset

Access

[7:6]

RESERVED

Reserved

0x0

CH3_ERR_MOD_SAT

Channel 3—Modulator output saturation error

0x0

CH3_ERR_FILTER_SAT

Channel 3—Filter result has exceeded a reasonable level, before offset and

gain calibration are applied

0x0

CH3_ERR_OUTPUT_SAT

Channel 3—ADC conversion has exceeded limits and is clamped

0x0

CH2_ERR_MOD_SAT

Channel 2—Modulator output saturation error

0x0

CH2_ERR_FILTER_SAT

Channel 2—Filter result has exceeded a reasonable level, before offset and

gain calibration are applied

0x0

CH2_ERR_OUTPUT_SAT

Channel 2—ADC conversion has exceeded limits andis clamped

0x0

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