R01UH0822EJ0100 Rev.1.00
Page 585 of 1041
Jul 31, 2019
RX13T Group
23. Serial Communications Interface (SCIg, SCIh)
Table 23.3
Functions of SCI Channels
Figure 23.1
Block Diagram of SCIg (SCI1 and SCI5)
Item
SCI1
SCI5
SCI12
Asynchronous mode
Available
Available
Available
Clock synchronous mode
Available
Available
Available
Smart card interface mode
Available
Available
Available
Simple I
2
C mode
Available
Available
Available
Simple SPI mode
Available
Available
Available
Extended serial mode
Not available
Not available
Available
MTU clock input
Available
Available
Available
Bu
s
in
te
rf
ac
e
External clock
SCKn
PCLK
PCLK/4
PCLK/16
PCLK/64
RTSn#/
CTSn#/
SSn#
RXDn/
SSCLn/
SMISOn
TXDn/
SSDAn/
SMOSIn
In
te
rn
al
p
er
ip
he
ra
l b
us
Clock
Module data bus
RDRH
RDR(L)
TDRH
TDR(L)
Transmission
and reception
control
SCMR
Baud rate
generator
BRR
MDDR
SSR
SCR
SMR
SEMR
SPMR
Parity addition
Parity check
TEI interrupt request
TXI interrupt request
RXI interrupt request
ERI interrupt request
SIMR1
SNFR
SIMR2
SIMR3
SISR
RSR
TSR
RDR:
Receive data register
RDRH:
Receive data register H
RDRL:
Receive data register L
RSR:
Receive shift register
TDR:
Transmit data register
TDRH:
Transmit data register H
TDRL:
Transmit data register L
TSR:
Transmit shift register
SMR:
Serial mode register
SCR:
Serial control register
SSR:
Serial status register
SCMR:
Smart card mode register
BRR:
Bit rate register
MDDR:
Modulation duty register
SEMR:
Serial extended mode register
SNFR:
Noise filter setting register
SIMR1:
I
2
C mode register 1
SIMR2:
I
2
C mode register 2
SIMR3:
I
2
C mode register 3
SISR:
I
2
C status register
SPMR:
SPI mode register
MTIOC1A
MTU
MTIOC2A