Samsung S3C2451X User Manual page 295

S3C2451X RISC MICROPROCESSOR
EXTINTn (External Interrupt Control Register n) (Continued)
EXTINT2
FLTEN23
EINT23
FLTEN22
EINT22
FLTEN21
EINT21
FLTEN20
EINT20
FLTEN19
EINT19
FLTEN18
EINT18
Bit
[31] Filter enable for EINT23
0 = Filter Enable
[30:28] Setting the signaling method of the EINT23.
000 = Low level
01x = Falling edge triggered
11x = Both edge triggered
[27] Filter Enable for EINT22
0 = Filter Enable
[26:24] Setting the signaling method of the EINT22.
000 = Low level
01x = Falling edge triggered
11x = Both edge triggered
[23] Filter Enable for EINT21
0 = Filter Enable
[22:20] Setting the signaling method of the EINT21.
000 = Low level
01x = Falling edge triggered
11x = Both edge triggered
[19] Filter Enable for EINT20
0 = Filter Enable
[18:16] Setting the signaling method of the EINT20.
000 = Low level
01x = Falling edge triggered
11x = Both edge triggered
[15] Filter enable for EINT19
0 = Filter Enable
[14:12] Setting the signaling method of the EINT19.
000 = Low level
01x = Falling edge triggered
11x = Both edge triggered
[11] Filter enable for EINT18
0 = Filter Enable
[10:8] Setting the signaling method of the EINT18.
000 = Low level
01x = Falling edge triggered
11x = Both edge triggered
Description
1= Filter Disable
001 = High level
10x = Rising edge triggered
1= Filter Disable
001 = High level
10x = Rising edge triggered
1= Filter Disable
001 = High level
10x = Rising edge triggered
1= Filter Disable
001 = High level
10x = Rising edge triggered
1= Filter Disable
001 = High level
10x = Rising edge triggered
1= Filter Disable
001 = High level
10x = Rising edge triggered
I/O PORTS
Reset Value
0
000
0
000
0
000
0
000
0
000
0
000
11-39