TCS3404 Datasheet, PDF (11/40 Pages) TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS – DIGITAL COLOR SENSORS

TCS3404, TCS3414
DIGITAL COLOR SENSORS
1
7
S Slave Address
11
Wr A
X
8
Data Byte
11
AP
X
A Acknowledge (this bit position may be 0 for an ACK or 1 for a NACK)
P Stop Condition
Rd Read (bit value of 1)
S Start Condition
Sr Repeated Start Condition
Wr Write (bit value of 0)
X Shown under a field indicates that that field is required to have a value of X
... Continuation of protocol
Master-to-Slave
Slave-to-Master
Figure 13. SMBus and I²C Packet Protocol Element Key
TAOS137A − APRIL 2011
1
7
S Slave Address
11
Wr A
8
Data Byte
11
AP
Figure 14. SMBus Send Byte Protocol
1
7
11
S Slave Address Rd A
8
Data Byte
11
AP
1
Figure 15. SMBus Receive Byte Protocol
1
7
11
8
1
S Slave Address Wr A Command Code A
8
Data Byte
Figure 16. SMBus Write Byte Protocol
11
AP
1
7
S Slave Address
11
Wr A
8
Command Code
11
7
A S Slave Address
11
Rd A
Figure 17. SMBus Read Byte Protocol
8
Data Byte Low
11
AP
1
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r
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11