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SLAVE ADDRESS R/W

A

Ctrl/MS-Byte

A

LS-Byte

A/A

P

”0” (write)

Data Transferred

(n* Words + Acknowledge)

Word = 16 Bit

From Master to DAC5571

From DAC5571 to Master

A = Acknowledge (SDA LOW)

A = Not Acknowledge (SDA HIGH)

S = START Condition

Sr = Repeated START Condition

P = STOP Condition

1

0

0

1

1

0

A0

R/W

MSB

LSB

Factory Preset

Standard- and Fast-Mode:

S

HS-Master Code

R/W

A

Ctrl/MS-Byte

A

LS-Byte

A/A

P

”0” (write)

Data Transferred

(n* Words + Acknowledge)

Word = 16 Bit

High-Speed Mode (HS Mode):

S

A Sr Slave Address

HS Mode Continues

F/S-Mode

HS Mode

F/S Mode

Sr Slave Address

0

0

0

0

1

X

X

R/W

MSB

LSB

HS-Mode Master Code:

0

0

PD1

PD0

D7

D6

D5

D4

MSB

LSB

Ctrl/MS-Byte:

D3

D2

D1

D0

X

X

X

X

MSB

LSB

LS-Byte:

D7 − D0 = Data Bits

’0’ = Write to DAC5571

DAC5571

SLAS405 – DECEMBER 2003

Figure 45. Master Transmitter Addressing DAC5571 as a Slave Receiver With a 7-Bit Address

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