Samsung S3C8275X User Manual page 79

8-bit cmos microcontrollers
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S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X
EXTICONH
Bit Identifier
Reset Value
Read/Write
Addressing Mode
.7–.6
.5–.4
.3–.2
.1–.0
External Interrupt Control Register (High Byte)
.7
.6
0
0
R/W
R/W
Register addressing mode only
P1.7 External Interrupt (INT7) Configuration Bits
0
0
Disable interrupt
0
1
Enable interrupt by falling edge
1
0
Enable interrupt by rising edge
1
1
Enable interrupt by both falling and rising edge
P1.6 External Interrupt (INT6) Configuration Bits
0
0
Disable interrupt
0
1
Enable interrupt by falling edge
1
0
Enable interrupt by rising edge
1
1
Enable interrupt by both falling and rising edge
P1.5 External Interrupt (INT5) Configuration Bits
0
0
Disable interrupt
0
1
Enable interrupt by falling edge
1
0
Enable interrupt by rising edge
1
1
Enable interrupt by both falling and rising edge
P1.4 External Interrupt (INT4) Configuration Bits
0
0
Disable interrupt
0
1
Enable interrupt by falling edge
1
0
Enable interrupt by rising edge
1
1
Enable interrupt by both falling and rising edge
.5
.4
0
0
R/W
R/W
R/W
CONTROL REGISTER
F8H
Set 1, Bank 0
.3
.2
.1
0
0
0
R/W
R/W
.0
0
R/W
4-9

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