Renesas H8S/2319 series Hardware Manual page 491

Table 12-11 Receive Error Conditions
Receive Error Abbreviation
Overrun error ORER
Framing error FER
Parity error PER
Figure 12-8 shows an example of the operation for reception in asynchronous mode.
Start
1 bit
0 D0
RDRF
FER
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
Data Parity
bit
D1 D7 0/1
RXI interrupt
request
generated
1 frame
Figure 12-8 Example of SCI Receive Operation
(Example with 8-Bit Data, Parity, One Stop Bit)
Stop Start
bit bit
1 0 D0 D1
RDR data read and RDRF
flag cleared to 0 in RXI
interrupt handling routine
Rev. 5.00, 12/03, page 461 of 1088
Data Transfer
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 Parity Stop
bit bit
Idle state
0
D7 0/1
(mark state)
ERI interrupt request
generated by framing
error
1