Preliminary
I/O PORTS
S3C2451X RISC MICROPROCESSOR
11-38
EXTINTn (External Interrupt Control Register n) (Continued)
EXTINT1 Bit
Description
FLTEN15
[31]
Filter enable for EINT15
0 = Filter Enable
1= Filter Disable
EINT15
[30:28]
Setting the signaling method of the EINT15.
000 = Low level 001 = High level 01x = Falling edge triggered
10x = Rising edge triggered 11x = Both edge triggered
FLTEN14
[27]
Filter enable for EINT14
0 = Filter Enable
1= Filter Disable
EINT14
[26:24]
Setting the signaling method of the EINT14.
000 = Low level 001 = High level 01x = Falling edge triggered
10x = Rising edge triggered 11x = Both edge triggered
FLTEN13
[23]
Filter enable for EINT13
0 = Filter Enable
1= Filter Disable
EINT13
[22:20]
Setting the signaling method of the EINT13.
000 = Low level 001 = High level 01x = Falling edge triggered
10x = Rising edge triggered 11x = Both edge triggered
FLTEN12
[19]
Filter enable for EINT12
0 = Filter Enable
1= Filter Disable
EINT12
[18:16]
Setting the signaling method of the EINT12.
000 = Low level 001 = High level 01x = Falling edge triggered
10x = Rising edge triggered 11x = Both edge triggered
FLTEN11
[15]
Filter enable for EINT11
0 = Filter Enable
1= Filter Disable
EINT11
[14:12]
Setting the signaling method of the EINT11.
000 = Low level 001 = High level 01x = Falling edge triggered
10x = Rising edge triggered 11x = Both edge triggered
FLTEN10
[11]
Filter enable for EINT10
0 = Filter Enable
1= Filter Disable
EINT10
[10:8]
Setting the signaling method of the EINT10.
000 = Low level 001 = High level 01x = Falling edge triggered
10x = Rising edge triggered 11x = Both edge triggered
FLTEN9
[7]
Filter enable for EINT9
0 = Filter Enable
1= Filter Disable
EINT9
[6:4]
Setting the signaling method of the EINT9.
000 = Low level 001 = High level 01x = Falling edge triggered
10x = Rising edge triggered 11x = Both edge triggered
FLTEN8
[3]
Filter enable for EINT8
0 = Filter Enable
1= Filter Disable
EINT8
[2:0]
Setting the signaling method of the EINT8.
000 = Low level 001 = High level 01x = Falling edge triggered
10x = Rising edge triggered 11x = Both edge triggered