Panasonic MN103001G/F01K User Manual
Page 333
Serial Interface
13-31
Serial n status register (n=1,2)
Register symbol: SCnSTR
Address:
x'3400081C (n=1), x'3400082C (n=2)
Purpose:
This register indicates the status of serial interface n.
Bit No.
7
6
5
4
3
2
1
0
Bit
SCn
SCn
SCn
SCn
–
–
SCn
SCn
name
TXF
RXF
TBF
RBF
PEF
OEF
Reset
0
0
0
0
0
0
0
0
Access
R
R
R
R
R
R
R
R
Bit No.
Bit name
Description
0
SCnOEF
Overrun error indication
0: No error
1: Overrun error occurred
1
SCnPEF
Parity error indication
0: No error
1: Parity error occurred
3 to 2
—
"0" is returned when these bits are read.
4
SCnRBF
Reception buffer status indication
0: Reception buffer empty
1: Data exists in the reception buffer
5
SCnTBF
Transmission buffer status indication
0: Transmission buffer empty
1: Data exists in the transmission buffer
6
SCnRXF
Reception status indication
0: Waiting for reception
1: Reception in progress
7
SCnTXF
Transmission status indication
0: Ready for transmission
1: Transmission in progress