ADP8863ACPZ-R7 datasheet(24/48 Pages) AD

24 / 48 page

ADP8863

Rev. 0 | Page 24 of 48

I2C PROGRAMMING AND DIGITAL CONTROL

The ADP8863 provides full software programmability to facili-

tate its adoption in various product architectures. The I2C 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:

•

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.

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.

ACK

010

1011

R/W

SLAVE TO MASTER

MASTER TO SLAVE

DEVICE ID

FOR WRITE

OPERATION

SELECT REGISTER TO WRITE

8-BIT VALUE TO WRITE IN THE

ADDRESSED REGISTER

Figure 48. I2C Write Sequence

SLAVE TO MASTER

MASTER TO SLAVE

DEVICE ID

FOR WRITE

OPERATION

SELECT REGISTER TO WRITE

8-BIT VALUE TO WRITE IN THE

ADDRESSED REGISTER

R/W

ACK

010

101

RS 0

1010

11 R/W

DEVICE ID

FOR READ

OPERATION

Figure 49. I2C Read Sequence

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