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| H83834U Datasheet, PDF (256/497 Pages) Renesas Technology Corp – Single-Chip Microcomputer | |||
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2. Block diagram
Figure 10-2-1 shows a block diagram of SCI1.
ø
PSS
SCK1
SI1
Transmit/receive
control circuit
SCR1
SCSR1
Transfer bit counter
SDRU
SDRL
SO1
Notation:
SCR1: Serial control register 1
SCSR1: Serial control/status register 1
SDRU: Serial data register U
SDRL: Serial data register L
IRRS1: SCI1 interrupt request flag
PSS: Prescaler S
Figure 10-2-1 SCI1 Block Diagram
IRRS1
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