Renesas R5S72621 User Manual

 

Section 21   IEBus

TM

 Controller 

R01UH0134EJ0400  Rev. 4.00  

 

Page 1141 of 2108 

Sep 24, 2014 

 

 

 
SH7262 Group, SH7264 Group 

Figure 21.11 shows the flowchart for master reception. 

START

END

[IEMCR register setting]

Broadcast/normal selection

Retransfer counts 

Control bits

Initial setting

[IESA1, IESA2 register setting]

Slave address

[IECMR register setting]

Master communications 

request command

Receive start interrupt

Receive error interrupt
(RXE***)

Receive start interrupt (RXS)

Interrupt processing

IERSR[RXS] clear

Receive completion 

interrupt

Receive error interrupt
(RXE***)

Receive completion interrupt (RXF)

Interrupt processing

IERSR[RXF] clear
Receive data read

(IERB001 to IERB128)

IERSR[RXBSY] clear

Interrupt processing

IETSR[TXE***] clear 

IERSR[RXE***] clear