Renesas R5S72621 User Manual

 
Section 21   IEBus

TM

 Controller 

Page 1142 of 2108 

 

R01UH0134EJ0400  Rev. 4.00 

 

 Sep 

24, 

2014 

SH7262 Group, SH7264 Group

Figure 21.12 shows the flowchart for slave transmission. 

START

END

[IETB001 to IETB128 setting]

Transmit data

Initial setting

[IETBFL register setting]

Message length bits

[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