Datasheet

C[1:0]='00' CHx0®
P[1:0]='01' FeaturesON®
® S4='1'
C[1:0]='11' CHx1®
P[1:0]='11' NoUpdates®
C[1:0]='11' CHx1®
P[1:0]='11' NoUpdates®
C[1:0]='11' CHx1®
P[1:0]='11' NoUpdates®
B
AA
B
A
12-Bit
DataCHB1
12-Bit
DataCHA1
12-Bit
DataCHA0
12-Bit
DataCHB0
12-Bit
DataCHA1
Previous12-Bit
DataCHAx
Previous12-Bit
DataCHBx
High-Z
NoConversion,
ReadAccessOnly
NoConversion,
ReadAccessOnly
Conversion
ofBothCHx1
Conversion
ofBothCHx1
Conversion
ofBothCHx0
PreviousConversion
ofBothCHxx
0 sm 0.5 sm 1.0 sm 1.5 sm 2.0 sm 2.5 sm 3.0 sm
1
16
1
16
1
16
1
16
1
16
1
1
CLOCK
CONVST
SDI
M0
M1
RD
CS
SDOA
SDOB
BUSY
® S4Still='1' ® S4 ='1'Still ® S4 ='1'Still
ADS7863
www.ti.com SBAS383E –JUNE 2007–REVISED JANUARY 2011
SPECIAL MODE II (Not ADS7861-Compatible)
The CONVST and RD pins can remain tied together,
but do not need to be issued every 16 CLOCK
For Mode II, a special read mode is available in the
cycles. Output data are presented on both terminals,
ADS7863 where both data results can be read out,
SDOA and SDOB. Figure 36 illustrates the special
triggered by a single RD pulse. To activate this mode,
read mode.
bit S4 in the SDI Register must be set to '1' (see also
the Serial Data Input section).
Figure 36. Special Mode II Timing Diagram (M0 = 0; M1 = 1; S4 = 1)
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Product Folder Link(s): ADS7863