Datasheet
ADS1212, 1213
25
SBAS064A
FIGURE 19. Serial Interface Timing (Using CS), Slave Mode.
t
21
DRDY
CS
SCLK
SDIO
t
37
t
23
t
24
IN7IN0IN1IN0IN1IN7 INM
t
24
t
19
Write Register Data
t
20
SDIO
IN7OUT0OUT1IN0IN1IN7 OUTM
Read Register Data Using SDIO
SDIO
IN7IN0IN1IN7
SDOUT
OUT0OUT1OUTM
Read Register Data Using SDOUT
DRDY
CS
SCLK
SDIO
OUT0OUT1OUTM
Continuous Read of Data Output Register using SDIO
Continuous Read of Data Output Register using SDOUT
t
20
t
16
SDOUT
OUT0OUT1OUTM
FIGURE 20. SDIO Input to Output Transition Timing.
FIGURE 21. DRDY Rise and Fall Time.
t
31
t
32
DRDY
OUT M OUT0
OUT MSB OUT0
t
26
t
16
t
22
t
24
t
38
t
19
SDIO is an input SDIO is an output
t
28
t
21
IN7
IN7 IN6
t
23
t
18
t
29
t
20
t
30
t
27
t
17
t
25
t
26
IN5 IN2 IN1 IN0
IN0
DRDY
CS
(1)
SDIO
SCLK
SCLK
SDIO
Master
Mode
Slave
Mode
NOTE: (1) CS is optional.