HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 668

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 14 Serial Communication Interface (SCI)
Table 14.11 Receive Error Conditions
Receive Error
Overrun error
Framing error
Parity error
Figure 14.8 shows an example of the operation for reception in asynchronous mode.
Rev.6.00 Sep. 27, 2007 Page 638 of 1268
REJ09B0220-0600
RDRF
FER
1
Start
bit
0
D0
Abbreviation
ORER
FER
PER
Figure 14.8 Example of SCI Receive Operation
(Example with 8-Bit Data, Parity, One Stop Bit)
D1
1 frame
Data
D7
Condition
completed while the RDRF flag
in SSR is set to 1
from the parity (even or odd) set
in SMR
When the next data reception is
When the stop bit is 0
When the received data differs
RXI interrupt
request
generated
Parity
bit
0/1
Stop
bit
1
Start
bit
0
RDR data read and RDRF
flag cleared to 0 in RXI
interrupt handling routine
D0
D1
Data
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
D7
Parity
bit
ERI interrupt request
generated by framing
error
0/1
Stop
bit
0
Idle state
(mark state)
1