HD6433682 ETC, HD6433682 Datasheet - Page 343

• Manufacturer Part Number: HD6433682
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series
• Manufacturer: ETC

No
No
No
Clear TRS in ICCR1 to 0
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
TEND=1 ?
TDRE=1 ?
in ICDRT
in ICDRT
Figure 17.19 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 data).
[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.
Rev. 3.00, 05/03, page 313 of 472