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An366 – Cirrus Logic AN366 User Manual

Page 26

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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

11

12

CLEAR DRDY

DRDY

SET?

NO

YES

13

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