h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 483

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Table 15.11 Receive Errors and Conditions for Occurrence
Figure 15.8 shows an example of the operation for reception in asynchronous mode.
Receive Error
Overrun error
Framing error
Parity error
RDRF
FER
1
Start
bit
0
D0
Abbreviation
ORER
FER
PER
Figure 15.8 Example of SCI Operation in Reception
D1
(Example with 8-Bit Data, Parity, One Stop Bit)
1 frame
Data
D7
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
request
generated
Parity
bit
0/1
Section 15 Serial Communication Interface (SCI, IrDA)
Stop
bit
1
Start
bit
0
RDR data read and RDRF
flag cleared to 0 in RXI
interrupt handling routine
D0
Rev. 4.00 Jun 06, 2006 page 429 of 1004
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
REJ09B0301-0400
Stop
bit
0
Idle state
(mark state)
1