TCS3404 TAOS [TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS], TCS3404 Datasheet - Page 12

• Manufacturer Part Number: TCS3404
• Description: DIGITAL COLOR SENSORS
• Manufacturer: TAOS [TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS]

TCS3404, TCS3414
DIGITAL COLOR SENSORS
TAOS137A − APRIL 2011
NOTE: The I
NOTE: The I
12
Copyright E 2011, TAOS Inc.
1
S
1
S
1
S
Slave Address
Slave Address
Slave Address
1
S
Stop condition. See the Command Register on page 13 for additional information regarding the Block Read/Write protocol.
a Stop Condition. See the Command Register on page 13 for additional information regarding the Block Read/Write protocol.
Slave Address
2
2
C write protocol does not use the Byte Count packet, and the Master will continue sending Data Bytes until the Master initiates a
C read protocol does not use the Byte Count packet, and the Master will continue receiving Data Bytes until the Master initiates
7
7
7
7
Figure 21. SMBus Block Read or I
Wr
Wr
Wr
1
1
1
Wr
A
A
A
1
1
1
1
Figure 20. SMBus Block Write or I
A
1
Command Code
Command Code
Command Code
Figure 18. SMBus Write Word Protocol
Figure 19. SMBus Read Word Protocol
Command Code
Data Byte 1
8
8
8
r
8
8
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A
A
A
1
1
1
A
1
Sr
1
S
1
2
A
1
C Read (Combined Format) Protocols
Byte Count = N
Slave Address
Slave Address
Data Byte Low
Data Byte 2
Data Byte 2
8
7
7
2
8
C Write Protocols
8
8
Rd
Rd
A
1
1
1
A
A
1
1
r
1
A
1
A
1
A
...
...
Data Byte 1
Byte Count = N
Data Byte Low
Data Byte High
8
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Data Byte High
8
8
8
Data Byte N
Data Byte N
8
8
8
A
1
1
A
...
1
A
1
A
...
1
P
...
A
A
A
1
1
1
1
1
1
1
1
P
P
P