h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 465

• Manufacturer Part Number: h8s-2646
• 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. 5.00 Sep 22, 2005 page 439 of 1136
Baud rate
generator
BRR
TEI
TXI
RXI
ERI
/4
/16
/64
REJ09B0257-0500
data bus
Internal