r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1156

• Manufacturer Part Number: r5s77631ay266bgv
• Description: Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
• Manufacturer: Renesas Electronics Corporation.

Section 27 Serial Communication Interface with FIFO (SCIF)
27.3.13 Line Status Register (SCLSR)
Notes: 1. Only 0 can be written, to clear the flag.
Rev. 1.00 Oct. 01, 2007 Page 1090 of 1956
REJ09B0256-0100
Initial value:
Bit
15 to 1
0
R/W:
BIt:
2. The ORER flag is not affected and retains its previous state when the RE bit in SCSCR
3. The receive data prior to the overrun error is retained in SCFRDR, and the data
Note: * Only 0 can be written, to clear the flag.
Bit Name
—
ORER
is cleared to 0.
received subsequently is lost. Serial reception cannot be continued while the ORER flag
is set to 1.
15

R
0
14

R
0
13

R
0
Initial
Value
All 0
0
12

R
0
11

R
0
R/W
R
R/W*
10

R
0
1
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
Overrun Error
Indicates that an overrun error occurred during
reception, causing abnormal termination.
0: Reception in progress, or reception has ended
[Clearing conditions]
•
•
1: An overrun error occurred during reception*
[Setting condition]
•
normally*

R
0
9
Power-on reset or manual reset
When 0 is written to ORER after reading ORER = 1
When the next serial reception is completed while
SCFRDR receives 64-byte data (SCFRDR is full)

R
8
0
2

R
7
0

R
6
0

R
5
0

R
4
0

R
3
0

R
2
0
3

R
1
0
ORER
R/W*
0
0