TMP89FW24AFG Datasheet, PDF (355/548 Pages) Toshiba Semiconductor – 8 Bit Microcontroller TLCS-870/C1 Series

TMP89FW24A
(a) Addressing format
8 bits
1 1 to 8 bits 1 1 to 8 bits 1
RA
A
A
S Slave address / C
Data
C
Data
CP
WK
K
K
1
1 or more
(b) Addressing format (with restart)
8 bits
1 1 to 8 bits 1
8 bits
1
RA
S Slave address / C
WK
Data
A
RA
C S Slave address / C
K
WK
1
1 or more
1
1 to 8 bits 1
A
Data
CP
K
1 or more
S : Start condition
R/W : Direction bit
ACK : Acknowledge bit
P : Stop condition
Figure 20-2 Data Format of I²C Bus
20.1.2 Free data format
The free data format is for communication between a master and slave.
In the free data format, the slave address and the direction bit are processed as data.
(a) Free data format
8 bits
1 1 to 8 bits 1 1 to 8 bits 1
A
A
A
S
Data
C
Data
C
Data
CP
K
K
K
1
1 or more
S : Start condition
R/W : Direction bit
ACK : Acknowledge bit
P : Stop condition
Figure 20-3 Free Data Format
RA002
Page 339
2012/5/18