Datasheet

AD9613 Data Sheet
Rev. C | Page 30 of 36
SPI ACCESSIBLE FEATURES
Table 13 provides a brief description of the general features that
are accessible via the SPI. These features are described in detail
in the AN-877 Application Note, Interfacing to High Speed ADCs
via SPI. The AD9613 part-specific features are described in the
Memory Map Register Description section.
Table 13. Features Accessible Using the SPI
Feature Name Description
Mode Allows the user to set either power-down mode or standby mode
Clock Allows the user to access the DCS via the SPI
Offset Allows the user to digitally adjust the converter offset
Test I/O Allows the user to set test modes to have known data on output bits
Output Mode Allows the user to set up outputs
Output Phase Allows the user to set the output clock polarity
Output Delay Allows the user to vary the DCO delay
VREF Allows the user to set the reference voltage
Digital Processing Allows the user to enable the synchronization features
DON’T CARE
DON’T CAREDON’T CARE
DON’T CARE
SDIO
SCLK
CSB
t
S
t
DH
t
CLK
t
DS
t
H
R/W W1 W0 A12 A11 A10 A9 A8 A7
D5 D4 D3 D2 D1 D0
t
LOW
t
HIGH
09637-062
Figure 58. Serial Port Interface Timing Diagram