MCP9800/1/2/3

DS21909B-page 20

 2004 Microchip Technology Inc.

FIGURE 5-4:

Receive 1-byte data from previously set pointer.

S = START Condition

P = STOP Condition

SDA

A

C

K

10

0

1

A

Pointer

00

00

P

A

C

K

S

2

A

1

A

0

1

P

0

1

2

3

4

567

8

12

34

5

6

7

8

SCLK

00

Address Byte

A

C

K

10

0

1

A

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

1

2

3

4

567

8

12

3

4

567

8

Address Byte

Data

R

MCP980X

MCP980X

MCP980X

Master

W

A

C

K

100

1

A

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

4

5

6

7

8

12

3

4

567

8

Address Byte

Data

R

MCP980X

Master

Note:

User can continue to receive 1-byte data indefinitely from a previously set register pointer.

SDA

SCLK

SDA

SCLK

Register Pointer Setting for Continuous Reception

Receive 1-byte Data

Receive Another 1-byte Data