CS5461A

4

DS661F2

LIST OF FIGURES

Figure 1. CS5461A Read and Write Timing Diagrams ........................................................................... 11

Figure 2. Data Flow. ................................................................................................................................ 13

Figure 3. Normal Format on pulse outputs E1 and E2............................................................................ 16

Figure 4. Alternate Pulse Format on E1 and E2 ..................................................................................... 17

Figure 5. Mechanical Counter Format on E1 and E2.............................................................................. 17

Figure 6. Stepper Motor Format on E1 and E2 ....................................................................................... 18

Figure 7. Voltage Sag Detect .................................................................................................................. 19

Figure 8. Oscillator Connection............................................................................................................... 20

Figure 9. Calibration Data Flow............................................................................................................... 35

Figure 10. System Calibration of Offset. ................................................................................................. 35

Figure 11. System Calibration of Gain .................................................................................................... 36

Figure 12. Example of AC Gain Calibration ............................................................................................ 36

Figure 13. Another Example of AC Gain Calibration .............................................................................. 36

Figure 14. Typical Interface of E2PROM to CS5461A ............................................................................ 38

Figure 15. Typical Connection Diagram (Single-phase, 2-wire – Direct Connect to Power Line) ........... 39

Figure 17. Typical Connection Diagram (Single-phase, 3-wire).............................................................. 40

Figure 16. Typical Connection Diagram (Single-phase, 2-wire – Isolated from Power Line) .................. 40

Figure 18. Typical Connection Diagram (Single-phase, 3-wire – No Neutral Available) ......................... 41

LIST OF TABLES

Table 1. Current Channel PGA Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Table 2. E1 and E2 Pulse Output Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Table 3. Interrupt Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21