Cirrus Logic AN366 - Manual (Page 27)

AN366
AN366REV2 27
CLEAR DRDY in INTERRUPT STATUS
SDI = 0x80
0x57 0x800000 Write DRDY Interrupt in Status 0
SDO = 0xFF 0xFF 0xFFFFFF (Page 0, Register 23)
READ IRMS, VRMS PAVG
(See Figure 19.)
Channel 1
SPI = 0x06
0xFFFFFF Read I1RMS
SPO = 0xFF 0x999357 (Page 16 Register 6)
SPI = 0x07 0xFFFFFF Read V1RMS
SPO = 0xFF 0x998956 (Page 16 Register 7)
SPI = 0x05 0xFFFFFF Read P1AVG
SPO = 0xFF 0x2E0DC1 (Page 16 Register 5)
SPI = 0x14 0xFFFFFF Read S1
SPO = 0xFF 0x2E0DB8 (Page 16 Register 20)
SPI = 0x0E 0xFFFFFF Read Q1AVG
SPO = 0xFF 0x001226 (Page 16 Register 14)
SPI = 0x15 0xFFFFFF Read PF1
SPO = 0xFF 0x7FFFFF (Page 16 Register 21)
SPI = 0x13 0xFFFFFF Read V1PEAK
SPO = 0xFF 0x6C9FCE (Page 16 Register 19)
SPI = 0x12 0xFFFFFF Read I1PEAK
SPO = 0xFF 0x6CA12A (Page 16 Register 18)
Channel 2
SPI = 0x0C
0xFFFFFF Read I2RMS
SPO = 0xFF 0x9993FE (Page 16 Register 12)
SPI = 0x0D 0xFFFFFF Read V2RMS
SPO = 0xFF 0x9989D4 (Page 16 Register 13)
SPI = 0x0B 0xFFFFFF Read P2AVG
SPO = 0xFF 0x2E0E17 (Page 16 Register 11)
SPI = 0x18 0xFFFFFF Read S2
SPO = 0xFF 0x2E0E10 (Page 16 Register 24)
SPI = 0x10 0xFFFFFF Read Q2AVG
SPO = 0xFF 0x00122C (Page 16 Register 16)
SPI = 0x19 0xFFFFFF Read PF2
SPO = 0xFF 0x7FFFFF (Page 16 Register 25)
SPI = 0x17 0xFFFFFF Read V2PEAK
SPO = 0xFF 0x935EC4 (Page 16 Register 23)
SPI = 0x16 0xFFFFFF Read I2PEAK
SPO = 0xFF 0x6CA002 (Page 16 Register 22)
Total
SPI = 0x1D
0xFFFFFF Read PSUM
SPO = 0xFF 0x5C1BD6 (Page 16 Register 29)
SPI = 0x1E 0xFFFFFF Read SSUM
SPO = 0xFF 0x5C1BBE (Page 16 Register 30)
SPI = 0x1F 0xFFFFFF Read QSUM
SPO = 0xFF 0x0024DE (Page 16 Register 31)
SPI = 0x1B 0xFFFFFF Read T
SPO = 0xFF 0x000000 (Page 16 Register 27)
SPI = 0x31 0xFFFFFF Read Epsilon
SPO = 0xFF 0x019943 (Page 16 Register 49)
READ IRMS,
VRMS, PAVG
CLEAR
DRDY
14
12 13
15