CS5461A

4

DS661F1

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 .................................................................................................. 33

Figure 10. System Calibration of Offset. ..................................................................................... 33

Figure 11. System Calibration of Gain ........................................................................................ 34

Figure 12. Example of AC Gain Calibration ................................................................................ 34

Figure 13. Another Example of AC Gain Calibration .................................................................. 34

Figure 14. Typical Interface of E2PROM to CS5461A ................................................................ 36

Figure 15. Typical Connection Diagram (Single-phase, 2-wire – Direct Connect to Power Line)37

Figure 16. Typical Connection Diagram (Single-phase, 2-wire – Isolated from Power Line)...... 38

Figure 17. Typical Connection Diagram (Single-phase, 3-wire).................................................. 38

Figure 18. Typical Connection Diagram (Single-phase, 3-wire – No Neutral Available)............. 39

LIST OF TABLES

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

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

Table 3. Interrupt Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20