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Section 21 IEBus
TM
Controller
Page 1142 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
21.5.5 Slave Transmission
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
Figure 21.12 Flowchart for Slave Transmission