Cirrus Logic CS5461A - Manual (Page 4)

CS5461A
4 DS661F3
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 E
2
PROM 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