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Section 21 IEBus
TM
Controller
R01UH0134EJ0400 Rev. 4.00 Page 1141 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
21.5.4 Master Reception
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
Figure 21.11 Flowchart for Master Reception