HD6413008F RENESAS [Renesas Technology Corp], HD6413008F Datasheet - Page 367

• Manufacturer Part Number: HD6413008F
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
• Manufacturer: RENESAS [Renesas Technology Corp]

12.1.2
Figure 12.1 shows a block diagram of the SCI.
RxD
TxD
SCK
Legend:
RSR:
RDR:
TSR:
TDR:
SMR:
SCR:
SSR:
BRR:
SCMR: Smart card mode register
Block Diagram
RDR
RSR
Receive shift register
Receive data register
Transmit shift register
Transmit data register
Serial mode register
Serial control register
Serial status register
Bit rate register
Parity generate
Parity check
TSR
TDR
Module data bus
Figure 12.1 SCI Block Diagram
Transmit/receive
control
SCMR
SCR
SMR
SSR
External clock
Clock
Rev.4.00 Aug. 20, 2007 Page 323 of 638
Baud rate
generator
BRR
12. Serial Communication Interface
T E I
T X I
R X I
E R I
φ
φ/ 4
φ/16
φ/64
REJ09B0395-0400
Internal data bus