DAC8571IDGKRG4 Datasheet, PDF (15/31 Pages) Texas Instruments – 16-BIT, LOW POWER, VOLTAGE OUTPUT

DAC8571
www.ti.com
SLAS373A – DECEMBER 2002 – REVISED JULY 2003
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
DAC8571 Acknowledges
Master
Stop or Repeated Start⁽¹⁾⁽²⁾
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
(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.
Standard/Fast Mode Write Sequence-Power Down Input
Transmitter MSB
6
5
4
3
2
1
LSB Comment
Master
Start
Begin sequence
Master
1
0
0
1
1
A0
0
R/W Write addressing (LSB=0)
DAC8571
DAC8571 Acknowledges
Master
0
0
Load 1 Load 0
0
Brcsel
0
PD0 Control byte (PD0=1)
DAC8571
DAC8571 Acknowledges
Master
PD1
PD2 PD3
0
0
0
0
0
Writing dataword, high byte
DAC8571
DAC8571 Acknowledges
Master
0
0
0
0
0
0
0
0
Writing dataword, low byte
DAC8571
DAC8571 Acknowledges
Master
Stop or Repeated Start⁽¹⁾⁽²⁾
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.
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