DAC8571IDGKRG4 Datasheet, PDF (13/31 Pages) Texas Instruments – 16-BIT, LOW POWER, VOLTAGE OUTPUT

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THEORY OF OPERATION (continued)
DAC8571
SLAS373A – DECEMBER 2002 – REVISED JULY 2003
Data Output
by Transmitter
Data Output
by Receiver
SCL From
Master
S
START
Condition
Not Acknowledge
Acknowledge
1
2
8
Figure 30. Acknowledge on the I²C Bus
9
Clock Pulse for
Acknowledgement
Recognize START or
REPEATED START
Condition
SDA
MSB
Address
Generate ACKNOWLEDGE
Signal
Acknowledgement
Signal From Slave
Recognize STOP or
REPEATED START
Condition
P
Sr
SCL
S
or
Sr
1
2
START or
Repeated START
Condition
R/W
7
8
9
ACK
1
2
Clock Line Held Low While
Interrupts are Serviced
Figure 31. Bus Protocol
3-8
9
Sr
ACK
or
P
STOP or
Repeated START
Condition
13