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| HD6473887 Datasheet, PDF (270/523 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer | |||
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2. Block Diagram
Figure 10-1 shows a block diagram of SCI1.
ø
øW/4
SCK1
PSS
Transmit/receive
control circuit
SCR1
SCSR1
Transfer bit counter
SI1
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: Serial 1 interrupt request flag
PSS: Prescaler S
Figure 10-1 SCI1 Block Diagram
IRRS1
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