Datasheet

Section 15 Serial Communication Interface (SCI)
Rev. 6.00 Mar. 18, 2010 Page 550 of 982
REJ09B0054-0600
RxD0
TxD0
PG1/IRQ7
SCK0
TEI
TXI
RXI
ERI
SCMR
SSR
SCR
SMR
SEMR
BRRRDR
TSRRSR
TDR
TIOCA1
TCLKA
TIOCA2
TPU
External clock
Transmission/
reception control
Baud rate
generator
Module data bus
Bus interface
Parity generation
Internal
data bus
Clock
φ
φ/4
φ/16
φ/64
RSR:
RDR:
TSR:
TDR:
SMR:
Receive shift register
Receive data register
Transmit shift register
Transmit data register
Serial mode register
SCR:
SSR:
SCMR:
BRR:
SEMR:
Serial control register
Serial status register
Smart card mode register
Bit rate register
Serial expansion mode register
Legend:
Parity check
10.667-MHz operation
115.152 kbps
460.606 kbps
16-MHz operation
115.196 kbps
460.784 kbps
720 kbps
Average
transfer rate
generator
C/A
CKE1
SSE
Figure 15.2 Block Diagram of SCI_0 of H8S/2239 Group