M0053-01

1

7

1

1

8

1

1

S

S

Slave Address

Wr

A

DataByte

A

P

StartCondition

Sr

RepeatedStartCondition

Rd

Read(BitValue=1)

Wr

Write(BitValue=0)

A

Acknowledge(ACK=0andNACK=1)

P

StopCondition

PE

PacketError

Master-to-Slave Transmission

Slave-to-Master Transmission

CDCE706

Figure 6. Generic Programming Sequence

Byte-Write Programming Sequence

1

7

1

1

8

1

8

1

1

S

Slave Address

Wr

A

CommandCode

A

Data Byte

A

P

Figure 7. Byte-Write Protocol

Byte-Read Programming Sequence

1

7

1

1

8

1

1

7

1

1

S

Slave Address

Wr

A

CommandCode

A

S

Slave Address

Rd

A

8

1

1

Data Byte

A/NA

P

Acknowledge/Not Acknowledge

Figure 8. Byte-Read Protocol

1

7

1

1

8

1

8

1

S

Slave Address

Wr

A

CommandCode

A

Byte Count N

A

8

1

8

1

8

1

1

Data Byte 0

A

Data Byte 1

A

- - - - -

Data Byte N – 1

A

P

(1)

Data Byte 0 is reserved for revision code and vendor identification. However, this byte is used for internal test. Do not write into it other

than 0000 0001.

Figure 9. Block-Write Protocol

Copyright © 2005–2008, Texas Instruments Incorporated

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