ATM90E32AS-AU-R datasheet(21/84 Pages) ATMEL

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M90E32AS [DATASHEET]

Atmel-46003B-SE-M90E32AS-Datasheet_02122015

3.8

POWER MODE

The M90E32AS has four power modes. The power mode is solely defined by the PM1 and PM0 pins.

3.8.1

NORMAL MODE (N MODE)

In Normal mode, the default is that all function blocks are active except for current detector block. Refer to Figure-10.

The current detector can be enabled and calibrated in normal mode using control bits in DetectCtrl register.

Figure-10 Block Diagram in Normal Mode

Table-2 Power Mode Mapping

PM1:PM0 Value

Power Mode

Normal (N mode)

Partial Measurement (M mode)

Detection (D mode)

Idle (I mode)

VDD18 Regulator

Temperature Sensor

Current Detector

ADC-V1

ADC-V2

ADC-V3

ADC-I1

ADC-I2

ADC-I3

SPI Interface

DSP

Energy Metering

(Forward/Reverse

Active/Reactive/CF Generator)

Measure and Monitoring

(V/I/rms / SAG / Phase /

Frequency)

Control Logic

Zero

Crossing

CF Out

Power On Reset

Crystal Oscillator

On-chip

Reference Voltage

Vref

I1P / I1N

V1P / V1N

SCLK

SDO

SDI

OSCI

OSCO

RESET

CF1

ZX0

I2P / I2N

I3P / I3N

V2P / V2N

V3P / V3N

CF2

CF3

CF4

ZX1

ZX2

Power Mode

Configuration

PM1

PM0

IRQ

WarnOut

IRQ0

IRQ1

Warn

Out

Flexible Piece-wise Non-linear

Compensation

Disabled

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