R01UH0823EJ0100 Rev.1.00
Page 967 of 1823
Jul 31, 2019
RX23W Group
33. Serial Communications Interface (SCIg, SCIh)
Figure 33.3
Block Diagram of SCIh (SCI12)
Transmit/
receive
block
Extended serial mode control
section
Controller
Timer
RXI interrupt request
TXI interrupt request
TEI interrupt request
ERI interrupt request
SCIX0 interrupt request
SCIX1 interrupt request
SCIX2 interrupt request
SCIX3 interrupt request
RXD12/SSCL12/
SMISO12/RXDX12
TXD12/SSDA12/
SMOSI12/TXDX12/
SIOX12
RTS12#/CTS12#/SS12#
SCK12
Inter
nal pe
riphera
l b
us
TMO0
TMO1
TMR