Address Register (Iadr) - Fujitsu F2MC-16LX Hardware Manual

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CHAPTER 22 I C INTERFACE

22.2.4 Address Register (IADR)

This section describes the configuration and functions of the address register (IADR).
I Address register (IADR)
The diagram below shows the bit configuration of the address register (IADR).
Address register
Address: 00008B
[Bit 14 to 8] A6 to A0
These bits are 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.
434
15 14
H
- A6
Read/write
(-) (R/W)(R/W) (R/W)(R/W)(R/W)(R/W)(R/W)
Initial value
(-) (X)
13 12 11 10 9
A5 A4 A3 A2 A1
(X) (X) (X) (X) (X)
8 Bit number
A0 IADR
(X)