CS5467-ISZ 查看數據表（PDF） - Cirrus Logic

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CS5467-ISZ

Four-channel Power / Energy IC

Cirrus Logic 

CS5467

8.4 Page 2 Registers

8.4.1 Voltage Sag and Current Fault Duration (V1SagDUR , V2SagDUR , I1FaultDUR , I2FaultDUR )

Address: 0 (V1SagDUR ), 8 (V2SagDUR ), 4 (I1FaultDUR ), 12 (I2FaultDUR )

MSB

LSB

0

222 221 220 219 218 217 216 .....

26

25

24

23

22

21

20

Default = 0

Voltage sag duration, V1SagDUR (V2SagDUR) and current fault duration, I1FaultDUR (I2FaultDUR) determine

the count of output word rate (OWR) samples utilized to determine a sag or fault event. These are integers in

the range of 0 to 8,388,607 samples. A value of zero disables the feature.

8.4.2 Voltage Sag and Current Fault Level (V1SagLEVEL , V2SagLEVEL , I1FaultLEVEL , I2FaultLEVEL )

Address: 1 (V1SagLEVEL ), 9 (V2SagLEVEL ), 5 (I1FaultLEVEL ), 13 (I2FaultLEVEL )

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

Default = 0

Voltage sag level, V1SagLEVEL (V2SagLEVEL ) and current fault level, I1FaultLEVEL (I2FaultLEVEL ) establish

an input level below which a sag or fault is triggered. These are two's complement values in the range of

-1.0 ≤ value < 1.0, with the binary point to the right of the MSB. Negative values are not used.

8.5 Page 5 Register

8.5.1 Temperature Measurement (TMEAS ) – Address: 26

MSB

LSB

223 222 221 220 219 218 217 216 .....

26

25

24

23

22

21

20

Default = 0

The Temperature Measurement (TMEAS) register is used to cycle-steal voltage channel2 for temperature

measurement. Writing a one to the LSB causes the temperature to be measured and the Temperature register

(T) to be updated.

Refer to 6.13 Temperature Measurement on page 22 for more information.

DS714F1

39

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