Figure 14.1 Block Diagram Of Sci3 - Renesas H8/36912 Series User Manual

16-bit single-chip microcomputer
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TXD
RXD
[Legend]
RSR:
RDR:
TSR:
TDR:
SMR:
SCR3:
SSR:
BRR:
BRC:
SPMR:
Rev. 1.00, 11/03, page 188 of 376
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External
SCK3
clock
Clock
Transmit/receive
control circuit
Noise
filter circuit
Receive shift register
Receive data register
Transmit shift register
Transmit data register
Serial mode register
Serial control register 3
Serial status register
Bit rate register
Bit rate counter
Sampling mode register

Figure 14.1 Block Diagram of SCI3

Internal clock ( /64, /16, /4, )
Baud rate
generator
BRC
TSR
RSR
BRR
SMR
SCR3
SSR
SPMR
TDR
RDR
Interrupt request
(TEI, TXI, RXI, ERI)

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