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Revision 1.1

20 - 24

AS8002

Data Sheet - D e t a i l e d D e s c r i p t i o n

Table 25. 1Ah

Address:

1Ah

Raw ADC Results MSB Register

Gives measured value of the ADC (MSB) and status of warnings and interrupts

Bit

Bit Name

Default

Access

Description

3:0

adc_meas[11:8]

0h

R

MSB of raw ADC measurement, value is given as 2’s complement

number by the formula:

adc_meas*1.22m

(EQ 14)

5

interrupt detected

0h

R

Same value as XINT (complemented)

0: No interrupt detected

1: Interrupt is detected

6

warning detected

0h

R

Over temperature, under voltage or over current detected

0: No warning detected

1: Warning detected

Table 26. 1Bh

Address:

1Bh

Raw ADC Results LSB Register

Gives measured value of raw ADC (LSB)

Bit

Bit Name

Default

Access

Description

7:0

adc_meas[7:0]

0h

R

LSB of raw ADC measurement, value is given as 2’s complement number

by the formula:

adc_meas*1.22m

(EQ 15)

Table 27. 3Ah

Address:

3Ah

PGA Current Gain Calibration Register

Set value of correction coefficient for current measurement

Bit

Bit Name

Default

Access

Description

7:0

pga_curr_gain_cal

00h

R/W

Correct the measured current value multiplying it by the following factor,

where pga_curr_gain_cal is a number defined as 2’s complement:

(1024 + pga_curr_gain_cal) / 1024

(EQ 16)

Table 28. 3Bh

Address:

3Bh

PGA Voltage Gain Calibration Register

Set value of correction coefficient for voltage measurement

Bit

Bit Name

Default

Access

Description

7:0

pga_volt_gain_cal

00h

R/W

Correct the measured voltage value multiplying it by the following factor,

where pga_volt_gain_cal is a number defined as 2’s complement:

(1024 + pga_volt_gain_cal) / 1024

(EQ 17)

Table 29. 3Ch

Address:

3Ch

Auxiliary Channel Gain Calibration Register

Set value of correction coefficient for auxiliary measurement

Bit

Bit Name

Default

Access

Description

7:0

aux_gain_cal

00h

R/W

Correct the measured value of the auxiliary channel multiplying it by the

following factor, where aux_gain_cal is a number defined as 2’s

complement:

(1024 + aux_gain_cal) / 1024

(EQ 18)