MCP39F511 datasheet(30/62 Pages) MICROCHIP

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MCP39F511

DS20005393B-page 30

 2015 Microchip Technology Inc.

Calibration Registers

0x005E

Calibration Register

Delimiter

9.8

R/W

u16

May be used to initiate loading of the default

calibration coefficients at start-up

0x0060

Gain Current RMS

9.3.1

R/W

u16

Gain Calibration Factor for RMS Current

0x0062

Gain Voltage RMS

9.3.1

R/W

u16

Gain Calibration Factor for RMS Voltage

0x0064

Gain Active Power

9.3.1

R/W

u16

Gain Calibration Factor for Active Power

0x0066

Gain Reactive Power

9.3

R/W

u16

Gain Calibration Factor for Reactive Power

0x0068

Offset Current RMS

9.5.1

R/W

s32

Offset Calibration Factor for RMS Current

0x006C

Offset Active Power

9.5.1

R/W

s32

Offset Calibration Factor for Active Power

0x0070

Offset Reactive Power

9.5.1

R/W

s32

Offset Calibration Factor for Reactive Power

0x0074

DC Offset Current

9.5.2

R/W

s16

Offset Calibration Factor for DC Current

0x0076

Phase Compensation

9.4

R/W

s16

Phase Compensation

0x0078

Apparent Power Divisor

5.7

R/W

u16

Number of Digits for apparent power divisor to

match IRMS and VRMS resolution

Design Configuration Registers

0x007A

System Configuration

6.5

R/W

b32

Control for device configuration, including

ADC configuration

0x007E

Event Configuration

7.0

R/W

b16

Settings for the Event pins including Relay

Control

0x0082

Range

6.6

R/W

b32

Scaling factor for Outputs

0x0086

Calibration Current

9.3.1

R/W

u32

Target Current to be used during single-point

calibration

0x008A

Calibration Voltage

9.3.1

R/W

u16

Target Voltage to be used during single-point

calibration

0x008C

Calibration Power Active

9.3.1

R/W

u32

Target Active Power to be used during

single-point calibration

0x0090

Calibration Power Reactive

9.3.1

R/W

u32

Target Active Power to be used during

single-point calibration

0x0094

Line Frequency Reference

9.6.1

R/W

u16

Reference Value for the nominal line

frequency

0x0096

Reserved

—

u32

Reserved

0x009A

Reserved

—

u32

Reserved

0x009E

Accumulation Interval

Parameter

5.10

R/W

u16

N for 2N number of line cycles to be used

during a single computation cycle

0x00A0

Voltage Sag Limit

7.2.2

R/W

u16

RMS Voltage threshold at which an event flag

is recorded

0x00A2

Voltage Surge Limit

7.2.2

R/W

u16

RMS Voltage threshold at which an event flag

is recorded

0x00A4

Overcurrent Limit

7.2

R/W

u32

RMS Current threshold at which an event flag

is recorded

0x00A8

Overpower Limit

7.2

R/W

u32

Active Power Limit at which an event flag is

recorded

TABLE 6-1:

MCP39F511 REGISTER MAP (CONTINUED)

Address

Section

Number

Read/

Write

Data

Type

Description

Note 1:

The registers are unsigned, however their sign is kept as a separate bit in the System Status Register.

These registers are reserved for EMI filter compensation when necessary for power supply monitoring.

They may require specific adjustment depending on PSU parameters, please contact the local Microchip

office for further support.

The Overtemperature event is only available on system versions 0xFA14 and later.

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