ADE7878 datasheet(86/92 Pages) AD

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ADE7878

Rev. 0| Page 86 of 92

Table 42. CONFIG Register (Address 0xE618)

Bit

Location

Bit Name

Default

value

Description

INTEN

Integrator enable. When this bit is set to 1, the internal digital integrator is enabled for use in

meters utilizing Rogowski coils on all 3-phase and neutral current inputs.

When this bit is cleared to 0, the internal digital integrator is disabled.

2:1

Reserved

Reserved. These bits do not manage any functionality.

SWAP

When this bit is set to 1, the voltage channel outputs are swapped with the current channel

outputs. Thus, the current channel information is present in the voltage channel registers and vice

versa.

MOD1SHORT

When this bit is set to 1, the voltage channel ADCs behave as if the voltage inputs were put to

ground.

MOD2SHORT

When this bit is set to 1, the current channel ADCs behave as if the voltage inputs were put to

ground.

HSDCEN

When this bit is set to 1, the HSDC serial port is enabled, and HSCLK functionality is chosen at

CF3/HSCLK pin.

When this bit is cleared to 0, HSDC is disabled, and CF3 functionality is chosen at CF3/HSCLK pin.

SWRST

When this bit is set to 1, a software reset is initiated.

9:8

VTOIA[1:0]

These bits decide what phase voltage is considered together with Phase A current in the power

path.

00 = Phase A voltage.

01 = Phase B voltage.

10 = Phase C voltage.

11 = reserved. When set, the ADE7878 behaves like VTOIA[1:0] = 00.

11:10

VTOIB[1:0]

These bits decide what phase voltage is considered together with Phase B current in the power

path.

00 = Phase B voltage.

01 = Phase C voltage.

10 = Phase A voltage.

11 = reserved. When set, the ADE7878 behaves like VTOIB[1:0] = 00.

13:12

VTOIC[1:0]

These bits decide what phase voltage is considered together with Phase C current in the power

path.

00 = Phase C voltage.

01 = Phase A voltage.

10 = Phase B voltage.

11 = reserved. When set, the ADE7878 behaves like VTOIC[1:0] = 00.

15:14

Reserved

Reserved. These bits do not manage any functionality.

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