HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 486

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 12 Serial Communication Interface (SCI)
Table 12.11 Receive Errors and Conditions for Occurrence
Receive Error
Overrun error
Framing error
Parity error
Figure 12.8 shows an example of the operation for reception in asynchronous mode.
RDRF
FER
Rev.3.00 Mar. 26, 2007 Page 444 of 772
REJ09B0355-0300
1
Start
bit
0
D0
Abbreviation
FER
PER
ORER
Figure 12.8 Example of SCI Operation in Reception
D1
(Example with 8-Bit Data, Parity, One Stop Bit)
1 frame
Data
D7
request generated
Occurrence Condition
When the next data reception is
completed while the RDRF flag
in SSR is set to 1
When the stop bit is 0
When the received data differs
from the parity (even or odd) set
in SMR
RXI interrupt
Parity
bit
0/1
Stop
bit
1
Start
bit
0
RDR data read and RDRF
flag cleared to 0 in RXI
interrupt service routine
D0
D1
Data
Receive data is not
transferred from RSR to
RDR.
Receive data is transferred
from RSR to RDR.
Receive data is transferred
from RSR to RDR.
Data Transfer
D7
Parity
bit
0/1
ERI interrupt request
generated by framing
error
Stop
bit
0
Idle state
(mark state)
1