MCP9808 Datasheet, PDF (26/52 Pages) Microchip Technology – ±0.5°C Maximum Accuracy Digital Temperature Sensor

MCP9808
SCL
SDA
12 34 5678
12345678
S
0
0
1
1
AA
21
A
0
W
A
C
K
0
0
0
0
0
1
0
1
A
C
K
Note:
It is not necessary to
select the Register
Pointer if it was set from
the previous read/write.
Address Byte
MCP9808
T_A Pointer
MCP9808
SCL
SDA
1 2 34 5678
1 23 4 56 78
12345678
S
0
0
1
1
A
2
A
1
A
0
A
R
C
K
0
0
0
0
0
0
0
1
A
C
K
1
0
0
1
0
1
0
N
0AP
K
Address Byte
MCP9808
MSB Data
Master
LSB Data
Master
FIGURE 5-5:
Timing Diagram for Reading +25.25°C Temperature from the T_A Register
(see Section 4.0 “Serial Communication”).
DS25095A-page 26
© 2011 Microchip Technology Inc.