CDB5467U Cirrus Logic Inc, CDB5467U Datasheet - Page 4

• Manufacturer Part Number: CDB5467U
• Description: BOARD EVAL FOR CS5467 ADC
• Manufacturer: Cirrus Logic Inc
• Type: A/Dr

Specifications of CDB5467U

• Main Purpose: Power Management, Energy/Power Meter
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: CS5467
• Primary Attributes: Watt-Hour Meter
• Secondary Attributes: Graphical User Interface, SPI™ & USB Interfaces
• Product: Data Conversion Development Tools
• Maximum Clock Frequency: 4 MHz
• Interface Type: USB
• Supply Voltage (max): 5 V
• Supply Voltage (min): 3.3 V
• For Use With/related Products: CS5467
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1555; CDB-5467U

4
10. E2PROM Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
11. Basic Application Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
12. Package Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
13. Ordering Information
14. Environmental, Manufacturing, & Handling Information . . . . . . . . . . . . . . . . . 45
15. Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Figure 1. CS5467 Read and Write Timing Diagrams ................................................................. 12
Figure 2. Timing Diagram for
Figure 3. Signal Flow for V1, I1, P1, Q1 Measurements ............................................................ 14
Figure 4. Signal Flow for V2, I2, P2, Q2 Measurements ............................................................ 14
Figure 5. Low-rate Calculations .................................................................................................. 16
Figure 6. Two-channel Power Summation.................................................................................. 16
Figure 7. Oscillator Connections................................................................................................. 18
Figure 8. Sag and Fault Detect................................................................................................... 22
Figure 9. Fixed RMS Voltage Selection...................................................................................... 23
Figure 10. Calibration Data Flow ................................................................................................ 40
Figure 11. System Calibration of Offset...................................................................................... 40
Figure 12. System Calibration of Gain........................................................................................ 41
Figure 13. Typical Interface of E
Figure 14. Typical Connection Diagram ..................................................................................... 43
Table 1. Interrupt Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 2. Current Input Gain Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 3. High-pass Filter Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 4. E2 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 5. E3 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Table 6. E1 / E2 Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Table 7. E3 Pin with E1MODE enabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
10.1 E
10.2 E
10.3 Which E
9.1.3 Calibration Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
9.1.4 Temperature Sensor Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
2
2
PROM Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
PROM Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
9.1.4.1 Temperature Offset Calibration . . . . . . . . . . . . . . . . . . . . . . . 41
9.1.4.2 Temperature Gain Calibration . . . . . . . . . . . . . . . . . . . . . . . . 41
2
PROMs Can Be Used? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
E1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
,
2
PROM to CS5467 .................................................................. 42
E2
, and
E3
.............................................................................. 13
LIST OF FIGURES
LIST OF TABLES
CS5467
DS714F1