h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 497

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

13.1.2
Figure 13-1 shows a block diagram of the SCI.
SCK
RxD
TxD
Legend:
RSR:
RDR:
TSR:
TDR:
SMR:
SCR:
SSR:
SCMR:
BRR:
Receive shift register
Receive data register
Transmit shift register
Transmit data register
Serial mode register
Serial control register
Serial status register
Smart card mode register
Bit rate register
Block Diagram
RDR
RSR
Parity generation
Parity check
TDR
TSR
Figure 13-1 Block Diagram of SCI
Module data bus
reception control
Transmission/
SCMR
SMR
SCR
SSR
Section 13 Serial Communication Interface (SCI)
External clock
Clock
Rev. 6.00 Feb 22, 2005 page 437 of 1484
Baud rate
generator
BRR
TEI
TXI
RXI
ERI
φ
φ/4
φ/16
φ/64
REJ09B0103-0600
data bus
Internal