EVAL-AD1940EB View Datasheet(PDF) - Analog Devices

Part Name

Description

MFG CO.

EVAL-AD1940EB

SigmaDSP Multichannel 28-Bit Audio Processor

Analog Devices 

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CLATCH

CCLK

CDATA

MSB

AD1940/AD1941

BYTE 0

LSB

BYTE 1

BYTE 2

Figure 11. SPI Write Format (Single Write Mode)

BYTE 3

CLATCH

CCLK

CDATA

COUT

BYTE 0

BYTE 1

BYTE 2

HI-Z

DATA

Figure 12. SPI Read Format (Single Read Mode)

DATA

DATA

HI-Z

SCK

SDA

0

START BY

MASTER

0

0

0

0

0

ADR

SEL

R/W

ACK. BY

FRAME 1

AD1941

CHIP ADDRESS BYTE 1

FRAME 2

SUBADDRESS BYTE 1

SCK

(CONTINUED)

SDA

(CONTINUED)

FRAME 3

SUBADDRESS BYTE 2

ACK. BY

AD1941

Figure 13. AD1941 I2C Write Format

FRAME 4

DATA BYTE 1

ACK. BY

AD1941

ACK. BY STOP BY

AD1941 MASTER

Rev. A | Page 17 of 36

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