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ADP1660ACBZ-R7 데이터시트(PDF) 17 Page - Analog Devices

부품명 ADP1660ACBZ-R7
상세설명  Dual 750 mA LED Flash Driver with I2C-Compatible Interface
PDF  28 Pages
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ADP1660ACBZ-R7 데이터시트(HTML) 17 Page - Analog Devices

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Data Sheet
ADP1660
Rev. 0 | Page 17 of 28
I2C INTERFACE
The ADP1660 includes an I2C-compatible serial interface for
control of the LED currents, as well as for readback of system
status registers. The I2C chip address is 0x30 (0x60 in write
mode and 0x61 in read mode). Additional I2C addresses are
available on request.
Figure 29 shows the I2C write sequence for a single register.
The subaddress byte selects the register that is written to. The
ADP1660 sends an acknowledgment to the master after the 8-bit
data byte is written. Figure 30 shows the I2C read sequence for a
single register.
For information about the registers and descriptions of all
register bits, see the Register Map section.
SUBADDRESS
CHIP ADDRESS
0
1
1
0
0
0
0
0
0
0
0 = WRITE
0
ADP1660 RECEIVES
DATA
S
T
S
P
MASTER
STOP
Figure 29. I2C Write Sequence for a Single Register
CHIP ADDRESS
0
1
1
0
0 0
0
0
0
1
0
MASTER
STOP
CHIP ADDRESS
S
T
S
T
0 1
1
0
0
0
0
0
1
0
0 = WRITE
1 = READ
S
P
ADP1660 SENDS
DATA
SUBADDRESS
Figure 30. I2C Read Sequence for a Single Register



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