MCP9800 View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

MCP9800

2-Wire High-Accuracy Temperature Sensor

Microchip Technology 

MCP9800/1/2/3

SCL

SDA

1 2 34 5678

12345678

Note:

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

PIC18FXXX

TA Pointer

PIC18FXXX

It is not necessary to

select the Register

Pointer if it was set

from the previous read/

write.

(see Section 4.1.1)

SCL

1 2 34 5678

12345678

12345678

SDA

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

0AP

K

Address Byte

MSB Data

PIC18FXXX

Master

LSB Data

Master

FIGURE 5-3:

Timing Diagram for Reading +25.25°C Temperature from the TA Register (See

Section 5.3.1 “Ambient Temperature Register (TA)”).

 2010 Microchip Technology Inc.

DS21909D-page 17

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