SH7265 Datasheet, PDF (1130/2024 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7260 Series

Section 21 IEBus^TM Controller (IEB)
21.5.5 Slave Transmission
Figure 21.12 shows the flowchart for slave transmission.
START
Initial setting
[IETBFL register setting]
Message length bits
[IETB001 to IETB128 setting]
Transmit data
[IECMR register setting]
Slave communications
request command
Transmit start interrupt
Transmit error interrupt
(TXE***)
Transmit start interrupt (TXS)
Interrupt processing
IETSR[TXS] clear
Transmit completion
interrupt
Transmit error interrupt
(TXE***)
Transmit completion interrupt (TXF)
Interrupt processing
IETSR[TXF] clear
Interrupt processing
IETSR[TXE***] clear
END
Figure 21.12 Flowchart for Slave Transmission
Rev. 1.00 Mar. 14, 2008 Page 1094 of 1984
REJ09B0351-0100