CS5461-IS View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS5461-IS

Single Phase Bi-Directional Power/Energy IC

Cirrus Logic 

CS5461

5.6 Auto-Boot Mode Using EEPROM .................................................................................... 27

5.6.1 Auto-Boot Configuration ...................................................................................... 27

5.6.2 Auto-Boot Data for EEPROM .............................................................................. 28

5.6.3 Which EEPROMs Can Be Used? ....................................................................... 28

6. SERIAL PORT OVERVIEW .................................................................................................... 29

6.1 Commands ...................................................................................................................... 29

6.2 Serial Port Interface ......................................................................................................... 32

6.3 Serial Read and Write ..................................................................................................... 32

6.4 System Initialization ......................................................................................................... 32

6.5 Serial Port Initialization .................................................................................................... 32

6.6 CS5461 Power States ..................................................................................................... 33

7. REGISTER DESCRIPTION .................................................................................................... 34

7.1 Configuration Register ...................................................................................................... 34

7.2 DC Current Offset Register and DC Voltage Offset Register ........................................... 35

7.3 AC/DC Current Gain Register and AC/DC Voltage Gain Register ................................... 35

7.4 Cycle Count Register........................................................................................................ 35

7.5 PulseRateE Register ........................................................................................................ 36

7.6 I, V, P, & PAvg: Instantaneous Current, Voltage, Power, and Average Power (Signed)

Output Register............................................................................................................. 36

7.7 IRMS, VRMS Unsigned Output Register .......................................................................... 36

7.8 Timebase Calibration Register ......................................................................................... 36

7.9 Power Offset Register ...................................................................................................... 37

7.10 Status Register and Mask Register ................................................................................ 37

7.11 AC Current Offset Register and AC Voltage Offset Register ......................................... 38

7.12 PulseRateF Register ...................................................................................................... 39

7.13 Temperature Sensor Output Register ............................................................................ 39

7.14 Pulsewidth ...................................................................................................................... 39

7.15 VSAGLevel: Voltage Sag-Detect Threshold Level ........................................................ 39

7.16 VSAGDuration: Voltage Sag-Detect Duration Level...................................................... 40

7.17 Control Register.............................................................................................................. 40

8. BASIC APPLICATION CIRCUITS .......................................................................................... 41

9. PACKAGE DIMENSIONS ...................................................................................................... 44

10. REVISIONS .......................................................................................................................... 45

DS546F2

3

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