TCN75A_1 Datasheet, PDF (17/40 Pages) Microchip Technology – 2-Wire Serial Temperature Sensor

TCN75A
SCL
SDA
1 2 34 5678
12345678
S1
0
0
1
A
2
A
1
A
0
W
A
C
K
0
0
0
0
0
0
0
0
A
C
K
Address Byte
TCN75A
T_A Pointer
TCN75A
Note:
It is not necessary to
select the Register
Pointer if it was set
from the previous read/
write.
(see Section 4.1.1)
SCL
SDA
1 2 34 5678
12345678
12345678
S
1
0
0
1
A
2
A
1
A
0
A
R
C
K
0
0
0
1
1
0
01
A
C
K
0
1
0
0
0
0
0
N
0
A
K
P
Address Byte
TCN75A
MSB Data
Master
LSB Data
Master
FIGURE 5-3:
Timing Diagram for Reading +25.25°C Temperature from the T_A Register (See
Section 4.0 “Serial Communication”).
 2010 Microchip Technology Inc.
DS21935D-page 17