LTC3208EUH Linear Technology, LTC3208EUH Datasheet - Page 14

• Manufacturer Part Number: LTC3208EUH
• Description: IC,Laser Diode/LED Driver,CMOS,LLCC,32PIN,PLASTIC
• Manufacturer: Linear Technology

OPERATIO
LTC3208
Write Word Protocol Used By the LTC3208
S = Start Condition, Wr = Write Bit = 0, A = Acknowledge,
P = Stop Condition
**Stop can be delayed until all of the data registers have been written.
14
S SLAVE ADDRESS WR A *SUB-ADDRESS A
1
*The sub-address uses only the fi rst 3 bits, D0, D1 and D2.
7
REGA, RED LED and GREEN LED 4-Bit DAC Data, Register Sub-Address = 001
REGB, BLUE LED and AUXILIARY 4-Bit DAC Data, Register Sub-Address = 010
REGC, MAIN LED 8-Bit DAC Data, Register Sub-Address = 011
REGD, SUB LED 8-Bit DAC Data, Register Sub-Address = 100
U
MAIN D7
GRN D3
AUX D3
SUB D7
1 1
MSB
MSB
MSB
MSB
A7
B7
C7
D7
MAIN D6
GRN D2
AUX D2
SUB D6
8
A6
D6
B6
C6
REGA2
REGB2
1
MAIN D5
GRN D1
AUX D1
SUB D5
DATA BYTE A P**
A5
B5
C5
D5
8
MAIN D4
GRN D0
AUX D0
SUB D4
1
LSB
LSB
A4
B4
C4
D4
1
Sub-Address Byte
BLUE D3
MAIN D3
RED D3
SUB D3
MSB
S7
MSB
MSB
X
X
X
X
X
X
X
X
A3
D3
B3
C3
S6
X
X
X
X
X
X
X
X
BLUE D2
MAIN D2
RED D2
SUB D2
S5
X
X
X
X
X
X
X
X
A2
B2
C2
D2
REGA1
REGB1
S4
X
X
X
X
X
X
X
X
MAIN D1
BLUE D1
RED D1
SUB D1
S3
X
X
X
X
X
X
X
X
D1
A1
B1
C1
S2
0
0
0
0
1
1
1
1
MAIN D0
BLUE D0
RED D0
SUB D0
S1
LSB
LSB
LSB
LSB
0
0
1
1
0
0
1
1
A0
B0
C0
D0
LSB
S0
0
1
0
1
0
1
0
1
REGISTER
NONE
REGD
REGG
REGA
REGB
REGC
REGE
REGF
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