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| HD6433832S Datasheet, PDF (264/560 Pages) Renesas Technology Corp – single-chip microcomputers | |||
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Block Diagram
Figure 10.7 shows a block diagram of SCI3.
SCK3
External
clock
Clock
Baud rate
generator
BRC
Transmit/receive
control
TXD
RXD
TSR
RSR
Internal clock
(Ï /64, Ï/16, Ï/4, Ï)
BRR
SMR
SCR3
SSR
TDR
RDR
Notation:
RSR: Receive shift register
RDR: Receive data register
TSR: Transmit shift register
TDR: Transmit data register
SMR: Serial mode register
SCR3: Serial control register 3
SSR: Serial status register
BRR: Bit rate register
BRC: Bit rate counter
Figure 10.7 SCI3 Block Diagram
Interrupt
requests
(TEI, TXI,
RXI, ERI)
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