DAC8718 Datasheet, PDF (15/60 Pages) Texas Instruments – Octal, 16-Bit, Low-Power, High-Voltage Output, Serial Input DIGITAL-TO-ANALOG CONVERTER

DAC8718
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TIMING DIAGRAMS (continued)
SBAS467A – MAY 2009 – REVISED DECEMBER 2009
Case 6: Readback for Standalone mode.
t₈
CS
SCLK
SDI
Hi-Z
SDO
Low
LDAC
t₄
t₇
Internal Register Updated
t₁
t₂
t₃
BIT 23 (= 1)
t₅
t₆
BIT 22
BIT 0
Input Word Specifies Register to be Read
BIT 23 (= 1) BIT 22
BIT 1
BIT 0
t₁₃
Hi-Z
NOP Command (write ‘1’ to NOP bit)
t₁₁
Hi-Z
BIT 23
BIT 22
BIT 1
BIT 0
Data from the Selected Register
= Don’t Care
Bit 23 = MSB
Bit 0 = LSB
Figure 4. SPI Timing for Readback Operation in Standalone Mode
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