Datasheet

 2010 Microchip Technology Inc. DS21909D-page 17
MCP9800/1/2/3
FIGURE 5-3: Timing Diagram for Reading +25.25°C Temperature from the T
A
Register (See
Section 5.3.1 “Ambient Temperature Register (T
A
)”).
SDA
A
C
K
1001
A
T
A
Pointer
0000
A
C
K
S
2
A
1
A
0
12345678 12345678
SCL
0
Address Byte
A
C
K
1001
A
MSB Data
A
C
K
N
A
K
S P
2
A
1
A
0
12345678 12345678 12345678
Address Byte
LSB Data
R
PIC18FXXX
PIC18FXXX
PIC18FXXX
Master
Master
W
SDA
SCL
000
00011
001 01000
000
Note: It is not necessary to
select the Register
Pointer if it was set
from the previous read/
write.
(see Section 4.1.1)