HD6417641 RENESAS [Renesas Technology Corp], HD6417641 Datasheet - Page 554

• Manufacturer Part Number: HD6417641
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 16 I
Rev. 4.00 Sep. 14, 2005 Page 504 of 982
REJ09B0023-0400
No
No
No
2
C Bus Interface 2 (IIC2)
Set TRS in ICCR1 to 0
Dummy-read ICDRR
Slave transmit mode
Read TDRE in ICSR
Read TEND in ICSR
Clear TEND in ICSR
Clear TDRE in ICSR
Clear AAS in ICSR
Write transmit data
Write transmit data
TEND=1 ?
TDRE=1 ?
in ICDRT
in ICDRT
Figure 16.20 Sample Flowchart for Slave Transmit Mode
byte?
End
Last
Yes
Yes
Yes
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[1] Clear the AAS flag.
[2] Set transmit data for ICDRT (except for the last byte).
[3] Wait for ICDRT empty.
[4] Set the last byte of transmit data.
[5] Wait for the last byte to be transmitted.
[6] Clear the TEND flag .
[7] Set slave receive mode.
[8] Dummy-read ICDRR to release the SCL line.
[9] Clear the TDRE flag.