ams Datasheet

Page 17

[v1-00] 2016-Apr-05

Document Feedback

TSL2580, TSL2581 − Principles Of Operation

Figure 23:

SMBus Read Word Protocol

Figure 24:

SMBus Block Write or I²C Write Protocols

Note(s):

1. The I²C write protocol does not use the Byte Count packet, and the Master will continue sending Data Bytes until the Master initiates

a Stop condition. See Command Register for additional information regarding the Block Read/Write protocol.

Figure 25:

SMBus Block Read or I²C Read (Combined Format) Protocols

Note(s):

1. The I²C read protocol does not use the Byte Count packet, and the Master will continue receiving Data Bytes until the Master initiates

a Stop Condition. See Command Register for additional information regarding the Block Read/Write protocol.

Wr

7

Data Byte Low

Slave Address

S

1

A

A

8

11

1

Command Code

1

P

Data Byte High

A

8

11

Rd

Slave Address

S

A

A

...

7

1

81

1

1

Wr

8

Data Byte 1

Slave Address

S

1

A

A

8

11

1

Command Code

P

Data Byte N

A

8

11

Byte Count = N

A

A

...

7

81

1

Data Byte 2

A

81

...

Wr

7

Byte Count = N

Slave Address

S

1

A

A

8

11

1

Command Code

P

Data Byte N

A

8

11

Slave Address

A

A

...

7

81

1

Data Byte 2

A

81

...

Data Byte 1

A

81

1

Sr

1

Rd

1