HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 447

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

12.1.2
Figure 12.1 shows a block diagram of the SCI.
RxD
TxD
SCK
Legend:
SCMR
RSR
RDR
TSR
TDR
SMR
SCR
SSR
BRR
: Smart Card mode register
: Receive shift register
: Receive data register
: Transmit shift register
: Transmit data register
: Serial mode register
: Serial control register
: Serial status register
: Bit rate register
Block Diagram
RDR
RSR
Parity generation
Figure 12.1 Block Diagram of SCI
Parity check
TDR
TSR
Module data bus
reception control
Transmission/
Section 12 Serial Communication Interface (SCI)
SCMR
SCR
SMR
SSR
External clock
Rev.3.00 Mar. 26, 2007 Page 405 of 772
Clock
Baud rate
generator
BRR
TEI
TXI
RXI
ERI
REJ09B0355-0300
/4
/16
/64
data bus
Internal