Datasheet

Case6:ReadbackforStandalonemode.
t
8
t
4
t
1
t
2
t
7
t
6
BIT23(=1) BIT22
InputWordSpecifiesRegistertobeRead
NOPCommand(write ‘1’ toNOPbit)
DatafromtheSelectedRegister
BIT0
BIT23
BIT23(=1)
BIT22
BIT22
BIT1
BIT1
BIT0
BIT0
InternalRegisterUpdated
CS
SCLK
SDI
SDO
LDAC
Low
t
13
t
11
=Don’tCare
Bit23=MSB
Bit0=LSB
Hi-Z Hi-Z Hi-Z
t
3
t
5
DAC8218
www.ti.com SBAS460A –MAY 2009–REVISED DECEMBER 2009
TIMING DIAGRAMS (continued)
Figure 4. SPI Timing for Readback Operation in Standalone Mode
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