Cirrus-logic AN366 Manual do Utilizador descarregar pdf (Página 45)

AN366

SEND AC OFFSET CALIBRATION

(See Figure 41.)

SDI = 0xF6 Write AC Offset Calibration – All Channels

SDO =0xFF

Figure 41. Calibration Window

DRDY SET?

SDI = 0x80 0x17 0xFFFFFFRead INT STATUS DRDY (page 0, register 23)

SDO =0xFF 0xFF 0x4XXXXX (DRDY not Set)

SDI = 0x80 0x17 0xFFFFFFRead INT STATUS DRDY (page 0, register 23)

SDO =0xFF 0xFF 0xCXXXXX (DRDY Set)

SEND AC

OFFSET

CALIBRATION

0xF6

DRDY

SET ?

YES

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Cirrus-logic AN366 Manual do Utilizador Página 45