TCS3404, TCS3414
DIGITAL COLOR SENSORS
TAOS137A − APRIL 2011
1
7
1
1
8
1
8
1
8
1
1
S
Slave Address
Wr
A
Command Code
A
Data Byte Low
A
Data Byte High
A
P
Figure 18. SMBus Write Word Protocol
1
7
1
1
8
1
1
7
1
1
8
1
...
S
Slave Address
Wr
A
Command Code
A
S
Slave Address
Rd
A
Data Byte Low
A
8
1
1
Data Byte High
A
P
1
Figure 19. SMBus Read Word Protocol
1
7
1
1
8
1
8
1
8
1
...
S
Slave Address
Wr
A
Command Code
A
Byte Count = N
A
Data Byte 1
A
8
1
8
1
1
...
Data Byte 2
A
Data Byte N
A
P
2
Figure 20. SMBus Block Write or I C Write Protocols
2
NOTE: The I C 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 the Command Register on page 13 for additional information regarding the Block Read/Write protocol.
1
7
1
1
8
1
1
7
1
1
8
1
...
S
Slave Address
Wr
A
Command Code
A
Sr Slave Address Rd
A
Byte Count = N
A
8
1
8
1
8
1
1
...
Data Byte 1
A
Data Byte 2
A
Data Byte N
A
1
P
2
Figure 21. SMBus Block Read or I C Read (Combined Format) Protocols
2
NOTE: The I C 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 the Command Register on page 13 for additional information regarding the Block Read/Write protocol.
Copyright E 2011, TAOS Inc.
The LUMENOLOGY r Company
r
r
12
www.taosinc.com
TAOS [ TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS ]
