Figure 16.1 Block Diagram Of Sci_1 - Renesas H8S/2158 User Manual

RDR
RxD1
RSR
TxD1
SCK1
Legend:
RSR : Receive shift register
RDR : Receive data register
TSR : Transmit shift register
TDR : Transmit data register
SMR : Serial mode register
Section 16 Serial Communication Interface (SCI, IrDA, and CRC)
Module data bus
TDR
TSR
Transmission/
reception control
Parity generation
Parity check
SCR
SSR
SCMR : Smart card mode register
BRR

Figure 16.1 Block Diagram of SCI_1

SCMR BRR
SSR
SCR
Baud rate
generator
SMR
Clock
External clock
: Serial control register
: Serial status register
: Bit rate register
Rev. 3.00 Jan 25, 2006 page 389 of 872
φ
φ/4
φ/16
φ/64
TEI
TXI
RXI
ERI
REJ09B0286-0300