Renesas R5S72624 User Manual

 

Section 21   IEBus

TM

 Controller 

R01UH0134EJ0400  Rev. 4.00  

 

Page 1139 of 2108 

Sep 24, 2014 

 

 

 
SH7262 Group, SH7264 Group 

Figure 21.9 shows the flowchart for master transmission. 

START

END

[IEMCR register setting]

Broadcast/normal selection

Retransfer counts 

Control bits

Initial setting

[IESA1, IESA2 register setting]

Slave address

[IETBFL register setting]

Message length bits

[IETB001 to IETB128 setting]

Transmit data

[IECMR register setting]

Master 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