HD64F3687GHV Datasheet, PDF (321/566 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 16 Serial Communication Interface 3 (SCI3)
External
SCK3 ^clock
Baud rate generator
Clock
BRC
Transmit/receive
control circuit
Internal clock (φ/64, φ/16, φ/4, φ)
BRR
SMR
SCR3
SSR
TXD
TSR
TDR
RXD
RSR
RDR
[Legend]
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 16.1 Block Diagram of SCI3
Interrupt request
(TEI, TXI, RXI, ERI)
Rev. 3.00 Sep. 10, 2007 Page 287 of 528
REJ09B0216-0300