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ADP8863
I 2 C PROGRAMMING AND DIGITAL CONTROL
The ADP8863 provides full software programmability to facili-
tate its adoption in various product architectures. The I 2 C address
is 0101011x (x = 0 during write, x = 1 during read). Therefore,
the write address is 0x56 and the read address is 0x57.
Note the following general behavior of registers:
Table 8 to Table 84 provide register and bit descriptions. The
reset value for all bits in the bit map tables is all 0s, except in
Table 10 (see Table 10 for its unique reset value). Wherever the
acronym N/A appears in the tables, it means not applicable.
?
?
?
All registers are set to their default values during reset or
after a UVLO event.
All registers are read/write unless otherwise specified.
Unused bits are read as zero.
B7
B0
B7
B0
B7
B0
ST
0
1
0
1
0
1
1
R/W ACK
REGISTER ADDRESS
ACK
REGISTER VALUE
ACK
ST
DEVICE ID
FOR WRITE
SELECT REGISTER TO WRITE
8-BIT VALUE TO WRITE IN THE
ADDRESSED REGISTER
OPERATION
SLAVE TO MASTER
MASTER TO SLAVE
Figure 49. I 2 C Write Sequence
B7
B0
B7
B0
B7
B0
B7
B0
ST 0
1
0
1
0
1
1 R/W ACK
REGISTER ADDRESS
ACK RS 0
1
0
1
0
1
1 R/W ACK
REGISTER VALUE
ACK ST
DEVICE ID
FOR WRITE
OPERATION
SELECT REGISTER TO WRITE
DEVICE ID
FOR READ
OPERATION
8-BIT VALUE TO WRITE IN THE
ADDRESSED REGISTER
SLAVE TO MASTER
MASTER TO SLAVE
Figure 50. I 2 C Read Sequence
Rev. A | Page 24 of 52
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