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PRELIMINARY
S3C6400 RISC MICROPROCESSOR
GPIO
10-
55
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
EXTERNAL INTERRUPT CONTROL REGISTERS
External Interrupt is consists of 10 groups numbered from 0 to 9. Only external interrupt group 0 is used for wake-
up source in Stop and Sleep mode. And, In idle mode, all interrupts can be wake-up source, the other groups of
external interrupts also can be the sources.
The following table is the list of external interrupt control registers. Group 0 has dedicated pins and each interrupt
in this group can be controlled more detail than the other groups. For that, S3C6400 presents several registers for
group 0 and they have bits for each interrupt signals. In case of the other groups, there are several registers for
these groups, but one register can control 2 or more groups.
Register
Address
R/W
Description
Reset Value
EINT0CON0 0x7F008900
R/W
External
Interrupt 0 Configuration Register 0
0x0
EINT0CON1 0x7F008904
R/W
External
Interrupt 0 Configuration Register 1
0x0
EINT0FLTCON0 0x7F008910 R/W
External
Interrupt 0 Filter Control Register 0
0x0
EINT0FLTCON1 0x7F008914 R/W
External
Interrupt 0 Filter Control Register 1
0x0
EINT0FLTCON2 0x7F008918 R/W
External
Interrupt 0 Filter Control Register 2
0x0
EINT0FLTCON3 0x7F00891C R/W
External
Interrupt 0 Filter Control Register 3
0x0
EINT0MASK 0x7F008920
R/W
External
Interrupt 0 Mask Register
0x0FFFFFFF
EINT0PEND
0x7F008924
R/W
External Interrupt 0 Pending Register
0x0
EINT12CON 0x7F008200
R/W
External
Interrupt 1,2 Configuration Register
0x0
EINT34CON 0x7F008204
R/W
External
Interrupt 3,4 Configuration Register
0x0
EINT56CON 0x7F008208
R/W
External
Interrupt 5,6 Configuration Register
0x0
EINT78CON 0x7F00820C
R/W
External
Interrupt 7,8 Configuration Register
0x0
EINT9CON 0x7F008210
R/W
External
Interrupt 9 Configuration Register
0x0
EINT12FLTCON 0x7F008220 R/W
External
Interrupt 1,2 Filter Control Register
0x0
EINT34FLTCON 0x7F008224 R/W
External
Interrupt 3,4 Filter Control Register
0x0
EINT56FLTCON 0x7F008228 R/W
External
Interrupt 5,6 Filter Control Register
0x0
EINT78FLTCON 0x7F00822C R/W
External
Interrupt 7,8 Filter Control Register
0x0
EINT9FLTCON 0x7F008230
R/W
External
Interrupt 9 Filter Control Register
0x0
EINT12MASK 0x7F008240
R/W
External
Interrupt 1,2 Mask Register
0x00FF7FFF
EINT34MASK 0x7F008244
R/W
External
Interrupt 3,4 Mask Register
0x3FFF03FF
EINT56MASK 0x7F008248
R/W
External
Interrupt 5,6 Mask Register
0x03FF007F
EINT78MASK 0x7F00824C
R/W
External
Interrupt 7,8 Mask Register
0x7FFFFFFF
EINT9MASK 0x7F008250
R/W
External
Interrupt 9 Mask Register
0x000001FF
EINT12PEND 0x7F008260
R/W
External
Interrupt 1,2 Pending Register
0x0
EINT34PEND 0x7F008264
R/W
External
Interrupt 3,4 Pending Register
0x0
EINT56PEND 0x7F008268
R/W
External
Interrupt 5,6 Pending Register
0x0
EINT78PEND 0x7F00826C
R/W
External
Interrupt 7,8 Pending Register
0x0