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7.6.1.1 Configuration (CONFIG) Register (Address = 0h) [reset = 0h]

The CONFIG register is shown in Table 7-5.

Return to the Summary Table.

Table 7-5. CONFIG Register Field Descriptions

Bit

Field

Type

Reset

Description

RST

R/W

Reset Bit. Setting this bit to '1' generates a system reset that is the

same as power-on reset.

Resets all registers to default values.

0h = Normal Operation

1h = System Reset sets registers to default values

This bit self-clears.

RSTACC

R/W

Resets the contents of accumulation registers ENERGY and

CHARGE to 0

0h = Normal Operation

1h = Clears registers to default values for ENERGY and CHARGE

registers

13-6

CONVDLY

R/W

Sets the Delay for initial ADC conversion in steps of 2 ms.

0h = 0 s

1h = 2 ms

FFh = 510 ms

TEMPCOMP

R/W

Enables temperature compensation of an external shunt

0h = Shunt Temperature Compensation Disabled

1h = Shunt Temperature Compensation Enabled

ADCRANGE

R/W

Shunt full scale range selection across IN+ and IN–.

0h = ±163.84 mV

1h = ± 40.96 mV

3-0

RESERVED

Reserved. Always reads 0.

7.6.1.2 ADC Configuration (ADC_CONFIG) Register (Address = 1h) [reset = FB68h]

The ADC_CONFIG register is shown in Table 7-6.

Return to the Summary Table.

Table 7-6. ADC_CONFIG Register Field Descriptions

Bit

Field

Type

Reset

Description

15-12

MODE

R/W

The user can set the MODE bits for continuous or triggered mode on

bus voltage, shunt voltage or temperature measurement.

0h = Shutdown

1h = Triggered bus voltage, single shot

2h = Triggered shunt voltage triggered, single shot

3h = Triggered shunt voltage and bus voltage, single shot

4h = Triggered temperature, single shot

5h = Triggered temperature and bus voltage, single shot

6h = Triggered temperature and shunt voltage, single shot

7h = Triggered bus voltage, shunt voltage and temperature, single

shot

8h = Shutdown

9h = Continuous bus voltage only

Ah = Continuous shunt voltage only

Bh = Continuous shunt and bus voltage

Ch = Continuous temperature only

Dh = Continuous bus voltage and temperature

Eh = Continuous temperature and shunt voltage

Fh = Continuous bus, shunt voltage and temperature

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INA229

SLYS023 – DECEMBER 2020

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