ADE7878 datasheet(22/92 Pages) AD

Numer części	ADE7878

Szczegółowy opis	Polyphase Multifunction Energy Metering IC with per Phase Active and Reactive Powers

PDF	92 Pages

Scroll/Zoom	100%

Producent	AD [Analog Devices]

Strona internetowa	http://www.analog.com

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22 / 92 page

ADE7878

Rev. 0 | Page 22 of 92

Table 10. Power Modes and Related Characteristics

Power Mode

All Registers1

LPOILVL,

CONFIG2

I2C/SPI

Functionality

PSM0

State After Hardware Reset

Set to default

I2C enabled

All circuits are active and

DSP is in idle mode.

State After Software Reset

Set to default

Unchanged

Active serial port is unchanged if lock

in procedure has been previously

executed

All circuits are active and

DSP is in idle mode.

PSM1

Not available

Values set

during PSM0

unchanged.

Enabled

Current mean absolute

values are computed and

the results are stored in

the AIMAV, BIMAV, and

CIMAV registers. The I2C or

SPI serial port is enabled

with limited functionality.

PSM2

Not available

Values set

during PSM0

unchanged

Disabled

Compares phase currents

against the threshold set

in LPOILVL. Triggers IRQ0

or IRQ1 pins accordingly.

The serial ports are not

available.

PSM3

Not available

Values set

during PSM0

unchanged

Disabled

Internal circuits shut down

and the serial ports are

not available.

1 Setting for all registers except the LPOILVL and CONFIG2 registers.

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