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CHAPTER 10 SERIAL INTERFACE FUNCTION
(3)
Transfer direction specification
In addition to the 7-bit address data, the master device sends 1 bit that specifies the transfer direction. When
this transfer direction specification bit has a value of "0", it indicates that the master device is transmitting data
to a slave device. When the transfer direction specification bit has a value of "1", it indicates that the master
device is receiving data from a slave device.
Figure 10-16. Transfer Direction Specification
SCL
1
2
3
4
5
6
7
8
9
SDA
A6
A5
A4
A3
A2
A1
A0
R/W
Transfer direction specification
Note
INTIIC0
Note INTIIC0 is not issued if data other than a local address or extension code is received during slave
device operation.
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