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Serial n interrupt mode register (n = 1, 2)
Register symbol: SCnICR
Address:
x'34000814 (n = 1), x'34000824 (n = 2)
Purpose:
This register selects the sources for transmission interrupts and reception interrupts for
serial interface n.
Bit No.
7
6
Bit
SCn
–
name
DMD
Reset
0
0
Access
R/W
R
R/W R/W
Bit No.
Bit name
0
SCnRI
1
—
2
SCnRES
3
—
4
SCnTI
5
Reserved
6
—
7
SCnDMD
5
4
3
2
1
SCn
SCn
–
–
–
TI
RES
0
0
0
0
0
R
R/W
R
Description
Reception interrupt factor selection
0: Reception end
1: Reception end with error
"0" is returned when this bit is read.
Reception error interrupt factor selection
0: Interrupt request when an overrun or parity error occurs
1: Interrupt request when a parity error occurs
"0" is returned when this bit is read.
Transmission interrupt factor selection
0: Transmission end
1: Transmission buffer empty
Setting "1" is prohibited.
"0" is returned when this bit is read.
Data output retained during external clock transmission (valid only in clock
synchronous mode)
0: Set data pin "H" at end of transmission
1: Maintain data pin at end of transmission
0
SCn
RI
0
R/W
Serial Interface
13-29
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