ADE9178 datasheet(76/122 Pages) AD

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Data Sheet

ADE9178

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Rev. A | 76 of 122

Table 34. ADE9178 Register Details (Continued)

Addr

Name

Bits

Bit Name

Settings

Description

Reset

Access

SELFREQ

Line-Cycle Frequency

Selection. Use this bit to

configure the IC for a 50 Hz

or 60 Hz system. This setting

is used to define the coerced

value in period registers

(APERIOD, BPERIOD,

CPERIOD, COM_PERIOD)

when input is outside the 40

Hz to 70 Hz range. It affects

line period and one-cycle RMS

measurements.

0x0

R/W

50 Hz.

60 Hz.

SWRST

Reserved.

0x0

R/W

0x0AF

PEAK_CONFIG

[31:12]

RESERVED

Reserved.

0x0

[11:6]

AUXPEAKSEL

Peak Detection Phase

Selection for Auxiliary

Channels. Set bits to select

which auxiliary phase(s) are

monitored for peak detection.

Set PEAKSEL[0] to enable

AUX0, PEAKSEL[1] to enable

AUX1, PEAKSEL[2] to enable

AUX2, and so on.

0x0

R/W

[5:3]

IPEAKSEL

Peak Detection Phase

Selection for Current Channels.

Set bits to select which

current phase(s) are monitored

for peak detection. Set

PEAKSEL[0] to enable phase

A , PEAKSEL[1] to enable

phase B, and PEAKSEL[2]

to enable phase C for peak

detection.

0x0

R/W

[2:0]

VPEAKSEL

Peak Detection Phase

Selection for Voltage Channels.

Set bits to select which

voltages phase(s) are

monitored for peak detection.

Set PEAKSEL[0] to enable

phase A , PEAKSEL[1] to

enable phase B, and

PEAKSEL[2] to enable phase

C for peak detection.

0x0

R/W

0x0B0

PEN_CONFIG

[31:14]

RESERVED

Reserved.

0x0

[13:12]

PEN_LP_SEL

Line Period Measurement

Selection for PEN

Channels. Affects RMSONE

measurement for PEN

channels.

0x3

R/W

Line Period Measurement from

PEN Channel A. Line period

measurement from PEN_A

voltage channel.

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