Data Sheet

TCS3404, TCS3414
DIGITAL COLOR SENSORS
TAOS137A − APRIL 2011
12
r
r
Copyright E 2011, TAOS Inc.
The LUMENOLOGY r Company
www.taosinc.com
Wr
7
Data Byte LowSlave AddressS
1
AAA
811 1 8
Command Code
1
PData Byte High A
811
Figure 18. SMBus Write Word Protocol
Wr
7
Data Byte LowSlave AddressS
1
A A
811 1
Command Code
1
PData Byte High A
811
RdSlave AddressS A A
...
7 1
811
1
Figure 19. SMBus Read Word Protocol
Wr
8
Data Byte 1Slave AddressS
1
A A
811 1
Command Code
PData Byte N A
811
Byte Count = N A A
...
7
811
Data Byte 2 A
81
...
Figure 20. SMBus Block Write or I
2
C Write Protocols
NOTE: The I
2
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.
Wr
7
Byte Count = NSlave AddressS
1
A A
811 1
Command Code
PData Byte N A
811
Slave Address A A
...
7
811
Data Byte 2 A
81
...
Data Byte 1 A
81
1
Sr
1
Rd
1
Figure 21. SMBus Block Read or I
2
C Read (Combined Format) Protocols
NOTE: The I
2
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.