Datasheet

AD7643
Rev. 0 | Page 25 of 28
SCLK
S
DOUT
D17 D16 D1
D0
D15
X17 X16 X15 X1 X0 Y17 Y16
BUSY
SDIN
INVSCLK = 0
X17 X16
X
123 1617181920
EXT/INT = 1
CS
RD = 0
t
33
t
16
t
34
t
31
t
32
t
35
t
36
t
37
06024-039
Figure 39. Slave Serial Data Timing for Reading (Read After Convert)
S
DOUT
SCLK
D1
D0
X
D17 D16 D15
1
2
3
17 18
BUSY
EXT/INT = 1 INVSCLK = 0
CNVST
CS
RD = 0
t
16
t
31
t
32
t
35
t
3
t
36
t
37
4
D2
16
0
6024-040
Figure 40. Slave Serial Data Timing for Reading (Read Previous Conversion During Convert)