R01UH0822EJ0100 Rev.1.00
Page 630 of 1041
Jul 31, 2019
RX13T Group
23. Serial Communications Interface (SCIg, SCIh)
23.2.27
Status Register (STR)
Address(es): SCI12.STR 0008 B327h
b7
b6
b5
b4
b3
b2
b1
b0
—
—
AEDF
BCDF PIBDF CF1MF CF0MF BFDF
Value after reset:
0
0
0
0
0
0
0
0
Bit
Symbol
Bit Name
Description
R/W
b0
Break Field Low Width
Detection Flag
[Setting conditions]
Detection of the low width for a Break Field
Completion of the output of the low width for a Break Field
Underflow of the timer
[Clearing condition]
Writing 1 to the BFDCL bit in STCR
R
b1
Control Field 0 Match
Flag
[Setting condition]
A match between the value received in Control Field 0 and the set value.
[Clearing condition]
Writing 1 to the CF0MCL bit in STCR
R
b2
Control Field 1 Match
Flag
[Setting condition]
A match between the data received in Control Field 1 and the set values.
[Clearing condition]
Writing 1 to the CF1MCL bit in STCR
R
b3
Priority Interrupt Bit
Detection Flag
[Setting condition]
Detection of the priority interrupt bit
[Clearing condition]
Writing 1 to the PIBDCL bit in STCR
R
b4
Bus Collision Detected
Flag
[Setting condition]
Detection of the bus collision
[Clearing condition]
Writing 1 to the BCDCL bit in STCR
R
b5
Valid Edge Detection
Flag
[Setting condition]
Detection of a valid edge
[Clearing condition]
Writing 1 to the AEDCL bit in STCR
R
b7, b6
—
Reserved
These bits are read as 0. The write value should be 0.
R