
MAX31722/MAX31723
Digital Thermometers and Thermostats
with SPI/3-Wire Interface
4
Figure 1. Timing Diagram: 3-Wire Read Data Transfer
Figure 2. Timing Diagram: 3-Wire Write Data Transfer
CE
WRITE ADDRESS BYTE
*I/O IS SDI AND SDO CONNECTED TOGETHER.
READ DATA BIT
t
CC
t
DC
A0 A1 A7 D0 D1
t
CDH
t
CDD
t
CCZ
t
CDZ
t
CDD
SCLK
I/O*
CE
*I/O IS SDI AND SDO CONNECTED TOGETHER.
SCLK
I/O*
t
CC
t
CL
t
R
t
F
t
CCH
t
CWH
t
DC
t
CDH
t
CH
WRITE ADDRESS BYTE WRITE DATA
A0 A1 A7 D0
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