SH7760 Datasheet, PDF (728/1345 Pages) Renesas Technology Corp – SuperHTM RISC engine

MAT flag
MDE flag
MDT flag
Hardware
S SLAVE ADDRESS A
DATA1
A
DATA2
A
DATA3
AP
I²C bus
Write data1
Write data2
Write data3
Set FSB
[Legend]
(1)
(2)
Clear MAT and MDE
S: Start condition
P: Stop condition
A: Acknowledge
(3)
(4)
Clear MDT
(6)
(5)
(10)
(9)
Clear MDE and MDT
(7) (8)
Software
Figure 19.13 Operational Example of Three-byte Data Transmission
An example of transmission of data exceeding three bytes is as follows:
MDE flag
MDT flag
Hardware
DATA3
A
DATA4
A
DATA5
AP
Write data4
Write data5
Set FSB
(11)
(10)
(13)
(14)
(17)
(18)
(15)
I²C bus
Software
(9)
Clear MDE and MDT
[Legend]
S: Start condition
P: Stop condition
A: Acknowledge
(12)
Clear MDE and MDT
(16)
Clear MDE and MDT
Figure 19.14 Operation Example of Four or More Byte Data Transmission
19.7.2 Restriction 2
For the STOP operation in I²C master mode, there is a timing restriction on FSB setting.
Rev. 1.0, 02/03, page 678 of 1294