Datasheet

AD7654
Rev. B | Page 23 of 28
CS
SCLK
SDOUT
CH A
D15
BUSY
SDIN
INVSCLK = 0
t
42
t
43
t
44
t
38
t
39
t
23
t
40
t
41
X
123 3031323334
EXT/INT = 1
CH B D0CH B D1
CH A
D13
CH A
D14
XCHA
D14
XCHA
D15
XCHA
D13
XCHA
D14
XCHB
D0
XCHB
D1
YCHA
D14
YCHA
D15
RD = 0 A/B = 1
EOC
03057-032
XCHA
D15
Figure 32. Slave Serial Data Timing for Reading (Read After Convert)
CNVST
SDOUT
SCLK
X
CHAD15
123 3132
t
3
t
42
t
43
t
44
t
38
t
39
t
23
BUSY
IN
V
SCLK = 0
CS
EXT/INT = 1
CHBD0
CHBD1
CHAD13
CHAD14
RD = 0
EOC
t
10
t
11
t
13
t
12
A
/
B=1
03057-033
Figure 33. Slave Serial Data Timing for Reading (Read Previous Conversion During Convert)