r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 978

• Manufacturer Part Number: r4f2426
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Section 16 I
Rev. 1.00 Sep. 19, 2008 Page 950 of 1270
REJ09B0466-0100
No
No
No
2
C Bus Interface 2 (IIC2)
Set TRS=0 in ICCRA
Slave transmit mode
Read TDRE in ICSR
Read TEND in ICSR
Clear TEND in ICSR
Dummy read ICDRR
Clear TDRE in ICSR
Clear AAS in ICSR
Write transmit data
Write transmit data
transmission?
TEND=1 ?
Figure 16.16 Sample Flowchart for Slave Transmit Mode
TDRE=1 ?
in ICDRT
in ICDRT
End of
End
Yes
Yes
Yes
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[1] Clear the flag AAS.
[2] Set transmit data for ICDRT (except for the last data).
[3] Wait for ICDRT empty.
[4] Set the last byte of the transmit data.
[5] Wait the transmission end of the last byte.
[6] Clear the flag TEND.
[7] Set slave receive mode.
[8] Dummy read ICDRR to release the SCL line.
[9] Clear the flag TDRE.