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| HD6433802H Datasheet, PDF (262/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer | |||
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RDR
RDR
RXD32 pin
RSR (reception in progress)
RDRF = 0
RXD32 pin
RSRâ (reception completed, transfer)
RDRF â 1
(RXI request when RIE = 1)
Figure 10.2 (a) RDRF Setting and RXI Interrupt
TDR (next transmit data)
TDR
TXD32 pin
TSR (transmission in progress)
TDRE = 0
TXD32 pin
TSRâ (transmission completed, transfer)
TDRE â 1
(TXI request when TIE = 1)
Figure 10.2 (b) TDRE Setting and TXI Interrupt
TDR
TDR
TXD32 pin
TSR (transmission in progress)
TEND = 0
TXD32 pin
TSR (reception completed)
TEND â 1
(TEI request when TEIE = 1)
Figure 10.2 (c) TEND Setting and TEI Interrupt
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