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CHAPTER 27 I
C INTERFACE (ONLY MB90485 SERIES)
27.3.4 Address Register (IADR)
This section describes the configuration and functions of the address register (IADR).
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Address register (IADR)
The diagram below shows the bit configuration of the address register (IADR).
[bit15] Unused
This bit is unused.
[bit14 to bit8] A6 to A0
These bits are a slave address bit and used as a register to specify the slave address. In
slave mode, received address data is compared with the data in the DAR register. If the data
matches, the device transmits an acknowledge signal to the master.
570
Address register
15
Address: 00008B
H
-
Read/Write
(-) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
Initial value
(-)
14
13
12
11
10
A6
A5
A4
A3
A2
(X)
(X)
(X)
(X)
(X)
9
8
Bit number
A1
A0
IADR
(X)
(X)
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