Datasheet

Section 16 I

C Bus Interface 2 (IIC2)

Rev. 2.00 Sep. 23, 2005 Page 294 of 444

REJ09B0068-0200

Bit Bit Name

Initial

Value R/W Description

0 ADZ 0 R/W General Call Address Recognition Flag

This bit is valid in I

C bus format slave receive mode.

[Setting condition]

• When the general call address is detected in slave

receive mode

[Clearing condition]

• When 0 is written in ADZ after reading ADZ=1

16.3.6 Slave Address Register (SAR)

SAR selects the communication format and sets the slave address. When the chip is in slave mode

with the I

C bus format, if the upper 7 bits of SAR match the upper 7 bits of the first frame

received after a start condition, the chip operates as the slave device.

Bit Bit Name

Initial

Value R/W Description

7 to 1 SVA6 to

SVA0

All 0 R/W Slave Address 6 to 0

These bits set a unique address, differing from the

addresses of other slave devices connected to the I

bus.

0 FS 0 R/W Format Select

0: I

C bus format is selected.

1: Clocked synchronous serial format is selected.