S3C825A Datasheet, PDF (86/346 Pages) Samsung semiconductor – 8-BIT CMOS MICROCONTROLLERS

CONTROL REGISTERS
S3C825A/P825A
P2INT — Port 2 Interrupt Control Register
E3H
Set 1, Bank 1
Bit Identifier
RESET Value
Read/Write
Addressing Mode
.7
.6
.5
.4
.3
.2
.1
.0
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Register addressing mode only
.7
Port 2 Interrupt Request Pending Bit (P2.7/INT3)
0 No interrupt request pending
0 Clear pending bit (when write)
1 Interrupt request is pending
.6
Interrupt Control Settings (P2.7/INT3)
0 Disable interrupt on P2.7
1 Enable interrupt at falling edge on P2.7
.5
Port 2 Interrupt Request Pending Bit (P2.6/INT2)
0 No interrupt request pending
0 Clear pending bit (when write)
1 Interrupt request is pending
.4
Interrupt Control Settings (P2.6/INT2)
0 Disable interrupt on P2.6
1 Enable interrupt at falling edge on P2.6
.3
Port 2 Interrupt Request Pending Bit (P2.5/INT1)
0 No interrupt request pending
0 Clear pending bit (when write)
1 Interrupt request is pending
.2
Interrupt Control Settings (P2.5/INT1)
0 Disable interrupt on P2.5
1 Enable interrupt at falling edge on P2.5
.1
Port 2 Interrupt Request Pending Bit (P2.4/INT0)
0 No interrupt request pending
0 Clear pending bit (when write)
1 Interrupt request is pending
.0
Interrupt Control Settings (P2.4/INT0)
0 Disable interrupt on P2.4
1 Enable interrupt at falling edge on P2.4
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