HD6433682 ETC, HD6433682 Datasheet - Page 275

• Manufacturer Part Number: HD6433682
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series
• Manufacturer: ETC

SCK 3
TXD
RXD
Legend:
RSR:
RDR:
TSR:
TDR:
SMR:
SCR3:
SSR:
BRR:
BRC:
Clock
External
clock
Receive shift register
Receive data register
Transmit shift register
Transmit data register
Serial mode register
Serial control register 3
Serial status register
Bit rate register
Bit rate counter
Baud rate generator
Transmit/receive
control circuit
Figure 16.1 Block Diagram of SCI3
RSR
TSR
BRC
Internal clock (ø/64, ø/16, ø/4, ø)
SCR3
SMR
BRR
RDR
SSR
TDR
Rev. 3.00, 05/03, page 245 of 472
Interrupt request
(TEI, TXI, RXI, ERI)