MAXQ3180-RAN+ datasheet(26/48 Pages) MAXIM

26 / 48 page

Low-Power, Multifunction, Polyphase AFE

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Table 4. RAM Register Summary (continued)

NAME

ADDRESS

(BYTE)

DESCRIPTION

R/W

DEFAULT

VALUE

(HEX)

BITS

NAME

DESCRIPTION

PHASE_A_

EOFF_HI

246

0x0F6

Linearity

Coefficient:

High Range

Energy Offset

R/W

0x0000

15:0

Signed two’s complement;

used to correct energy:

Y = X - Eoff_hi

PHASE_A_E

_GAIN_LO

248

0x0F8

Linearity

Coefficient:

Low Range

Energy Gain

R/W

0x0000

15:0

Signed two’s complement;

Used to correct pwr:

Y = X x (1 + gain/216)

PHASE_A_

EOFF_LO

250

0x0FA

Linearity

Coefficient:

Low range

Energy Offset

R/W

0x0000

15:0

Signed two’s complement;

Used to correct pwr:

Y = X - Eoff_lo

PHASE_A_

PA_0

252

0x0FC

Phase Angle

Coefficient

R/W

0x0000

15:0

PHASE_A_

PA_1

254

0x0FE

Phase Angle

Coefficient

R/W

0x0000

15:0

PHASE_A_

PA_2

256

0x100

Phase Angle

Coefficient

R/W

0x0000

15:0

PHASE_A_

PA_3

258

0x102

Phase Angle

Coefficient

R/W

0x0000

15:0

Signed two’s complement;

Y = PA_0 + (PA_1 x X) +

(PA_2 x X2) + (PA_3 x X3)

15:13, 7:5

—

Reserved. Should be set to 0.

12:8

4:0

Mask (enable) bits for flags 4:0,

correspondingly

MISVF

Missing voltage flag

NOZCF

No zero-crossing flag

VSAGF

Voltage sag flag

OVF

Overvoltage flag

PHASE_A_

FLAGS

260

0x104

Interrupt Flags

R/W

0x0000

OCF

Overcurrent flag

IHOF

KWHIH overflow

APOF

KWHAP overflow

R4OF

KWHR4 overflow

R3OF

KWHR3 overflow

R2OF

KWHR2 overflow

R1OF

KWHR1 overflow

ANOF

KWHAN overflow

PHASE_A_

EOVFL

262

0x106

Energy Overflow

Flags

R/W

0x0000

APOF

KWHAP overflow

MAXQ3180-RAN+ Datasheet(PDF) 26 Page - Maxim Integrated Products

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