Cirrus-logic AN366 Bedienungsanleitung PDF herunterladen (Seite 26)

AN366

26 AN366REV2

START CONTINUOUS CONVERSION

(See Figure 18.)

SDI = 0xD5 Send Continuous Conversion Command

Figure 18. Conversion Window

WAIT FOR TSETTLE TIME

Wait for Tsettle time.

CLEAR DRDY in INTERRUPT STATUS

SDI = 0x80 0x57 0x800000 Write DRDY Interrupt in Status 0

SDO = 0xFF 0xFF 0xFFFFFF (Page 0, Register 23)

DRDY SET?

SDI = 0x80 0x18 0xFFFFFF Read Status 1 for DRDY Interrupt (Not Set).

SDO = 0xFF 0xFF 0x4XXXXX (Page 0, Register 24)

SDI = 0x80 0x18 0xFFFFFF Read Status 1 for DRDY Interrupt (Set).

SDO = 0xFF 0xFF 0xCXXXXX (Page 0, Register 24)

WAIT 2 SEC

Tsettle = 2000ms

START

CONTINUOUS

CONVERSION

0xD5

CLEAR DRDY

DRDY

SET?

YES

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Cirrus-logic AN366 Bedienungsanleitung Seite 26