HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 629

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

14.1.2
Figure 14.1 shows a block diagram of the SCI.
Legend:
SCMR: Smart card mode register
RSR:
RDR:
TSR:
TDR:
SMR: Serial mode register
SCR:
SSR:
BRR:
SCK
RxD
TxD
Receive shift register
Receive data register
Transmit shift register
Transmit data register
Serial control register
Serial status register
Bit rate register
Block Diagram
RDR
RSR
Parity generation
Parity check
Figure 14.1 Block Diagram of SCI
TDR
TSR
Module data bus
reception control
Transmission/
SCMR
SMR
SCR
SSR
Section 14 Serial Communication Interface (SCI)
External clock
Rev.6.00 Sep. 27, 2007 Page 599 of 1268
Clock
Baud rate
generator
BRR
TEI
TXI
RXI
ERI
φ
φ/4
φ/16
φ/64
REJ09B0220-0600
data bus
Internal