DAC8571 Datasheet, PDF (16/28 Pages) Texas Instruments – 16-BIT, LOW POWER, VOLTAGE OUTPUT, I2C INTERFACE DIGITAL-TO-ANALOG CONVERTER

DAC8571
SLAS373A – DECEMBER 2002 – REVISED JULY 2003
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THEORY OF OPERATION (continued)
Table 1. Master Transmitter Writing to Slave Receiver (DAC8571)
Standard/Fast Mode Write Sequence - Data Input
Transmitter MSB
6
5
4
3
2
1
Master
Start
Master
1
0
0
1
1
A0
0
DAC8571
DAC8571 Acknowledges
Master
0
0
Load 1 Load 0
0
Brcsel
0
DAC8571
DAC8571 Acknowledges
Master
D15
D14 D13
D12
D11
D10
D9
DAC8571
DAC8571 Acknowledges
Master
D7
D6
D5
D4
D3
D2
D1
DAC8571
Master
DAC8571 Acknowledges
Stop or Repeated Start ^{(1) (2)}
Standard/Fast Mode Write Sequence-Power Down Input
Transmitter MSB
6
5
4
3
2
1
Master
Start
Master
1
0
0
1
1
A0
0
DAC8571
DAC8571 Acknowledges
Master
0
0
Load 1 Load 0
0
Brcsel
0
DAC8571
DAC8571 Acknowledges
Master
PD1
PD2 PD3
0
0
0
0
DAC8571
DAC8571 Acknowledges
Master
0
0
0
0
0
0
0
DAC8571
Master
DAC8571 Acknowledges
Stop or Repeated Start ^{(3) (4)}
LSB
R/W
Comment
Begin sequence
Write addressing (LSB=0)
PD0 Control byte (PD0=0)
D8
Writing dataword, high byte
D0
Writing dataword, low byte
Done
LSB
R/W
Comment
Begin sequence
Write addressing (LSB=0)
PD0 Control byte (PD0=1)
0
Writing dataword, high byte
0
Writing dataword, low byte
Done
(1) _{High byte, low byte sequence can repeat.}
(2) _{Use repeated start to secure bus operation and loop back to the stage of write addressing for next Write.}
(3) _{High byte, low byte sequence can repeat.}
(4) _{Use repeated start to secure bus operation and loop back to the stage of write addressing for next Write.}
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