Digital Thermometers and Thermostats
with SPI/3-Wire Interface
CE
tCC
SCLK
I/O*
tCDH
tDC
A0
A1
A7
*I/O IS SDI AND SDO CONNECTED TOGETHER.
WRITE ADDRESS BYTE
Figure 1. Timing Diagram: 3-Wire Read Data Transfer
CE
SCLK
I/O*
tCC
tCDH
tDC
A0
tR
tCL
tCH
A1
A7
*I/O IS SDI AND SDO CONNECTED TOGETHER.
WRITE ADDRESS BYTE
Figure 2. Timing Diagram: 3-Wire Write Data Transfer
tCCZ
tCDD
tCDZ
tCDD
D0
D1
READ DATA BIT
tCWH
tCCH
tF
D0
WRITE DATA
4