ADE7880ACPZ-RL(RevA) View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

ADE7880ACPZ-RL
(Rev.:RevA)

Polyphase Multifunction Energy Metering IC with Harmonic Monitoring

Analog Devices 

ADE7880

Data Sheet

Table 11. Recommended Actions When Changing Power Modes

Initial Power

Mode

PSM0

Before Setting Next

Power Mode

Stop DSP by setting the

Run register = 0x0000

PSM0

PSM1

PSM2

Disable HSDC by clearing

Bit 6 (HSDCEN) to 0 in the

CONFIG register

Mask interrupts by setting

MASK0 = 0x0 and

MASK1 = 0x0

Erase interrupt status flags

in the STATUS0 and STATUS1

registers

No action necessary

No action necessary

Wait until the IRQ1 pin

is triggered low

Poll the STATUS1

register until Bit 15

(RSTDONE) is set to 1

Wait until the IRQ1 pin

is triggered low

Poll the STATUS1

register until Bit 15

(RSTDONE) is set to 1

PSM3

No action necessary

Wait until the IRQ1 pin

is triggered low

Poll the STATUS1

register until Bit 15

(RSTDONE) is set to 1

Next Power Mode

PSM1

PSM2

Current mean absolute

values (mav) computed

immediately

xIMAV registers can be

accessed immediately

Wait until the IRQ0

or IRQ1 pin is

triggered

accordingly

Wait until the IRQ0

or IRQ1 pin is

triggered

accordingly

Wait until the IRQ1 pin

triggered low

Current mean absolute

values compute at this

moment

xIMAV registers may be

accessed from this

moment

Wait until the IRQ1 pin is

triggered low

Current mav circuit

begins computations at

this time

xIMAV registers can be

accessed from this

moment

Wait until the IRQ0

or IRQ1 pin is

triggered

accordingly

PSM3

No action

necessary

No action

necessary

No action

necessary

Rev. A | Page 22 of 104

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