Datasheet

RESET
(orPowerUp)
BUSY
(C20=C21=0)
WR
DB[15:0]
C
[31:16]
PAR/SER=0
CS
C
[15:0]
InitializationData
Update
C
[31:16]
C
[15:0]
FS
SDI
C[31:0]
InitializationData
C[31:0]
PAR/SER=1
NoContentUpdate
ContentUpdate
ADS8528
ADS8548
ADS8568
SBAS543A AUGUST 2011 REVISED OCTOBER 2011
www.ti.com
If the serial interface is used, the update of the register contents can be performed continuously (combined
read/write access). Optionally, to reduce the data transfer on the SDI line and the electromagnetic interference
(EMI) of the system, the SDI input can be pulled low when a register update is not required. Figure 38 illustrates
the different Configuration Register update options.
Figure 38. Configuration Register Update Options
30 Copyright © 2011, Texas Instruments Incorporated
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