Datasheet

MCP9843/98243
DS22153C-page 28 © 2009 Microchip Technology Inc.
FIGURE 5-7: Timing Diagram for Reading +25.25°C Temperature from the T
A
Register (See
Section 4.0 “Serial Communication”).
SDA
A
C
K
0011
A
T
A
Pointer
0000
A
C
K
S
2
A
1
A
0
12345678 12345678
SCL
0
Address Byte
A
C
K
0011
A
MSB Data
A
C
K
N
A
K
S P
2
A
1
A
0
12345678 12345678 12345678
Address Byte
LSB Data
R
MCP9843/98243
MCP9843/98243
MCP9843/98243
Master
Master
W
SDA
SCL
101
00000
001 10010
100
Note: It is not necessary to
select the register
pointer if it was set from
the previous read/write.