h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 390

• Manufacturer Part Number: h8s-2649
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 13 Serial Communication Interface (SCI)
• Break detection: Break can be detected by reading the RxD pin level directly in the case of a
Clocked Synchronous mode
• Data length: 8 bits
• Receive error detection: Overrun errors detected
Smart Card Interface
• Automatic transmission of error signal (parity error) in receive mode
• Error signal detection and automatic data retransmission in transmit mode
• Direct convention and inverse convention both supported
Rev. 2.00 Dec. 05, 2005 Page 352 of 724
REJ09B0200-0200
framing error
RxD
TxD
SCK
[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
RDR
RSR
Figure 13.1 Block Diagram of SCI
Parity generation
Parity check
TDR
TSR
Module data bus
reception control
Transmission/
SCMR
SMR
SSR
SCR
External clock
Clock
Baud rate
generator
BRR
TEI
TXI
RXI
ERI
/4
/16
/64
data bus
Internal