HD6432621 Hitachi, HD6432621 Datasheet - Page 477
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HD6432621
Manufacturer Part Number
HD6432621
Description
(HD64F262x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432621.pdf
(1069 pages)
- Current page: 477 of 1069
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Bit 4—Framing Error (FER): Indicates that a framing error occurred during reception in
asynchronous mode, causing abnormal termination.
Bit 4
FER
0
1
Notes: *1 The FER flag is not affected and retains its previous state when the RE bit in SCR is
Bit 3—Parity Error (PER): Indicates that a parity error occurred during reception using parity
addition in asynchronous mode, causing abnormal termination.
Bit 3
PER
0
1
Notes: *1 The PER flag is not affected and retains its previous state when the RE bit in SCR is
*2 In 2-stop-bit mode, only the first stop bit is checked for a value of 0; the second stop bit
*2 If a parity error occurs, the receive data is transferred to RDR but the RDRF flag is not
cleared to 0.
is not checked. If a framing error occurs, the receive data is transferred to RDR but the
RDRF flag is not set. Also, subsequent serial reception cannot be continued while the
FER flag is set to 1. In clocked synchronous mode, serial transmission cannot be
continued, either.
cleared to 0.
set. Also, subsequent serial reception cannot be continued while the PER flag is set to
1. In clocked synchronous mode, serial transmission cannot be continued, either.
Description
[Clearing condition]
When 0 is written to FER after reading FER = 1
[Setting condition]
When the SCI checks whether the stop bit at the end of the receive data when
reception ends, and the stop bit is 0 *
Description
[Clearing condition]
When 0 is written to PER after reading PER = 1
[Setting condition]
When, in reception, the number of 1 bits in the receive data plus the parity bit does not
match the parity setting (even or odd) specified by the O/E bit in SMR*
2
2
(Initial value)*
(Initial value)*
433
1
1
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