CS5484 datasheet(56/67 Pages) CIRRUS

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CS5484

DS981F3

6.6.52 Peak Current 1 (I1PEAK) – Page 0, Address 37

Default = 0x00 0000

Peak current1 (I1PEAK) contains the value of the instantaneous current 1 sample with the greatest magnitude

detected during the last low-rate interval.

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.

6.6.53 Peak Voltage 1 (V1PEAK) – Page 0, Address 36

Default = 0x00 0000

Peak voltage 1 (V1PEAK) contains the value of the instantaneous voltage 1 sample with the greatest magni-

tude detected during the last low-rate interval.

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.

6.6.54 Apparent Power 1 (S1) – Page 16, Address 20

Default = 0x00 0000

Apparent power 1 (S1) is the product of V1RMS and I1RMS or SQRT(P1AVG2 + Q1AVG2).

This is an unsigned value in the range of 0

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

6.6.55 Power Factor 1 (PF1) – Page 16, Address 21

Default = 0x00 0000

Power factor 1 (PF1) is calculated by dividing active power 1 (P1AVG) by apparent power 1 (S1).

The sign is determined by the active power (P1AVG) sign.

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

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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