CS5484 datasheet(54/67 Pages) CIRRUS

54 / 67 page

CS5484

DS981F3

6.6.44 Instantaneous Active Power 2 (P2) – Page 16, Address 10

Default = 0x00 0000

P2 contains instantaneous power measurements for current and voltage channels 2.

Values in registers I2 and V2 are multiplied to generate this value. This is a two's complement value in the

range of -1.0

 value  1.0, with the binary point to the right of the MSB.

6.6.45 Active Power 2 (P2AVG ) – Page 16, Address 11

Default = 0x00 0000

Instantaneous power is averaged over each low-rate interval (SampleCount samples) to compute active pow-

er (P2AVG).

This is a two's complement value in the range of -1.0

 value 1.0, with the binary point to the right of the MSB.

6.6.46 RMS Current 2 (I2RMS) – Page 16, Address 12

Default = 0x00 0000

I2RMS contains the root mean square (RMS) value of I2, calculated during each low-rate interval.

This is an unsigned value in the range of 0

 value  1.0, with the binary point to the left of the MSB.

6.6.47 RMS Voltage 2 (V2RMS ) – Page 16, Address 13

Default = 0x00 0000

V2RMS contains the root mean square (RMS) value of V2, calculated during each low-rate interval.

This is an unsigned value in the range of 0

value 1.0, with the binary point to the left of the MSB.

MSB

LSB

-(20)2-1

2-2

2-3

2-4

2-5

2-6

2-7

.....

2-17

2-18

2-19

2-20

2-21

2-22

2-23

MSB

LSB

-(20)2-1

2-2

2-3

2-4

2-5

2-6

2-7

.....

2-17

2-18

2-19

2-20

2-21

2-22

2-23

MSB

LSB

2-1

2-2

2-3

2-4

2-5

2-6

2-7

2-8

.....

2-18

2-19

2-20

2-21

2-22

2-23

2-24

MSB

LSB

2-1

2-2

2-3

2-4

2-5

2-6

2-7

2-8

.....

2-18

2-19

2-20

2-21

2-22

2-23

2-24

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