CS5484 datasheet(52/67 Pages) CIRRUS

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CS5484

DS981F3

6.6.36 Instantaneous Current 1 (I1) – Page 16, Address 2

Default = 0x00 0000

I1 contains instantaneous current measurements for current channel 1.

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.

6.6.37 Instantaneous Voltage 1 (V1) – Page 16, Address 3

Default = 0x00 0000

V1 contains instantaneous voltage measurements for voltage channel 1.

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.

6.6.38 Instantaneous Active Power 1 (P1) – Page 16, Address 4

Default = 0x00 0000

P1 contains instantaneous power measurements for current and voltage channels 1.

Values in registers I1 and V1 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.

6.6.39 Active Power 1 (P1AVG) – Page 16, Address 5

Default = 0x00 0000

Instantaneous power is averaged over each low-rate interval (SampleCount samples) and then added with

power offset (POFF) to compute active power (PAVG).

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.

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

-(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

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