 2004 Microchip Technology Inc.

DS21909B-page 21

MCP9800/1/2/3

FIGURE 5-5:

Receive 2-byte data from previously set pointer.

S = START Condition

P = STOP Condition

SDA

A

C

K

100

1

A

Pointer

00

0

0

P

A

C

K

S

2

A

1

A

0

1

P

0

123

4

5

6

7

8

1

2

345

67

8

SCLK

00

Address Byte

MCP980X

MCP980X

W

Note:

User can continue to receive 2-byte data indefinitely from a previously set register pointer.

A

C

K

10

0

1

A

MSB Data

A

C

K

N

A

K

S

P

2

A

1

A

0

D

7

D

6

D

5

D

4

D

3

D

2

D

1

D

0

12

3

4

567

8

1

2

345

6

7

8

12

3

4

567

8

Address Byte

LSB Data

R

D

15

D

14

D

13

D

12

D

11

D

10

D

9

D

8

MCP980X

Master

Master

A

C

K

1

001

A

MSB Data

A

C

K

N

A

K

S

P

2

A

1

A

0

D

7

D

6

D

5

D

4

D

3

D

2

D

1

D

0

123

45

6

7

8

1

2

345

6

7

8

12

3

4

567

8

Address Byte

LSB Data

R

D

15

D

14

D

13

D

12

D

11

D

10

D

9

D

8

MCP980X

Master

Master

Register Pointer Setting for Continuous Reception

Receive 2-byte Data

Receive Another 2-byte Data