Datasheet

Table Of Contents
Section 17 Serial Communications Interface 3 (SCI3, IrDA)
Rev. 2.00 Jul. 04, 2007 Page 350 of 692
REJ09B0309-0200
Clock
SCK33
BRR3_3
TSR3_3
SPCR2
Transmit/receive
control circuit
Internal data bus
[Legend]
RSR3_3:
RDR3_3:
TSR3_3:
TDR3_3:
SMR3_3:
SCR3_3:
SSR3_3:
BRR3_3:
BRC3_3:
SPCR2:
Receive shift register 3_3
Receive data register 3_3
Transmit shift register 3_3
Transmit data register 3_3
Serial mode register 3_3
Serial control register 3_3
Serial status register 3_3
Bit rate register 3_3
Bit rate counter 3_3
Serial port control register 2
Interrupt request
(TEI33, TXI33, RXI33, ERI33)
Internal clock (φ/64, φ/16, φ
w
/2, φ)
External clock
BRC3_3
Baud rate generator
TXD33
RXD33
SMR3_3
SCR3_3
SSR3_3
TDR3_3
RDR3_3RSR3_3
Figure 17.1 (3) Block Diagram of SCI3_3