An366 – Cirrus Logic AN366 User Manual
Page 34
AN366
34
AN366REV2
START CONTINUOUS CONVERSION
(See Figure 28.)
SDI = 0xD5
Write Continuous Conversion
SDO = 0xFF
Figure 28. Conversion Window
START CONTINUOUS CONVERSION
(See Figure 28.)
Channels 1 and 2, Current
SDI = 0x90
0x06 0xFFFFFF
Read I1RMS
(page 16, register 6)
SDO = 0xFF
0xFF 0x9AC11C
(0.604509151)
SDI = 0x90
0x0C 0xFFFFFF
Read I2RMS
(page 16, register 12)
SDO = 0xFF
0xFF 0x9ABB62
(0.604421771)
Channels 1 and 2, Voltage
SDI = 0x90
0x07 0xFFFFFF
Read V1RMS
(page 16, register 7)
SDO = 0xFF
0xFF 0xA3A8BE
(0.63929359)
SDI = 0x90
0x0D 0xFFFFFF
Read V2RMS
(page 16, register 13)
SDO = 0xFF
0xFF 0xA396E2
(0.639021077)
Channels 1 and 2, Active Power
SDI = 0x90
0x05 0xFFFFFF
Read P1AVG
(page 16, register 5)
SDO = 0xFF
0xFF 0x3177E9
(0.386471914)
SDI = 0x90
0x0B 0xFFFFFF
Read P2AVG
(page 16, register 11)
SDO = 0xFF
0xFF 0x3170AF
(0.3862514)
Channels 1 and 2, Reactive Power
SDI = 0x90
0x0E 0xFFFFFF
Read Q1AVG
(page 16, register 14)
SDO = 0xFF
0xFF 0x000A92
(0.0003226)
SDI = 0x90
0x10 0xFFFFFF
Read Q2AVG
(page 16, register 16)
SDO = 0xFF
0xFF 0x000C84
(0.0003819)
Channels 1 and 2, Power Factor
SDI = 0x90
0x15 0xFFFFFF
Read PF1
(page 16, register 21)
SDO = 0xFF
0xFF 0x7FFFFF
(1)
SDI = 0x90
0x19 0xFFFFFF
Read PF2
(page 16, register 25)
SDO = 0xFF
0xFF 0x7FFFFF
(1)
Total
SDI = 0x90
0x1D 0xFFFFFF
Read PSUM
(page 16, register 29)
SDO = 0xFF
0xFF 0x000000
(0)
SDI = 0x90
0x1E 0xFFFFFF
Read QSUM
(page 16, register 30)
SDO = 0xFF
0xFF 0x000000
(0)
SDI = 0x90
0x1F 0xFFFFFF
Read SSUM
(page 16, register 31)
SDO = 0xFF
0xFF 0x000000
(0)
READ
IRMS, VRMS,
PAVG, QAVG, PF
START
CONTINUOUS
CONVERT
0xD5
7
9
10
8