Microchip Technology MCP9800DM-DL2 Data Sheet
2010 Microchip Technology Inc.
DS21909D-page 19
MCP9800/1/2/3
FIGURE 5-4:
Timing Diagram for Writing and Reading from the Configuration Register (See
).
SDA
A
C
K
1
0
0
1
A
CONFIG Pointer
0
0
0
0
A
C
K
S
2
A
1
1
A
0
0
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
SCL
0
Address Byte
A
C
K
1
0
0
1
A
Data
N
A
K
S
P
2
A
1
1
A
0
0
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Address Byte
R
PIC18FXXX
PIC18FXXX
PIC18FXXX
W
SDA
SCL
0
0
1
0
1
1
0
0
0
0
0
• Reading the CONFIG Register.
• Writing to the CONFIG Register to change the resolution to 0.0625°C <0110 0000>b.
SDA
A
C
K
1
0
0
1
A
0
0
0
0
A
C
K
S
2
A
1
1
A
0
0
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
SCL
0
Address Byte
W
PIC18FXXX
PIC18FXXX
MSB Data
A
C
K
P
1
2
3
4
5
6
7
8
1
CONFIG Pointer
PIC18FXXX
0
0
1
0
1
1
0
0
0
0
0
Note:
It is not necessary to
select the Register
Pointer if it was set
from the previous read/
write
(see Section
select the Register
Pointer if it was set
from the previous read/
write
(see Section