S3C8075 Datasheet, PDF (120/208 Pages) Samsung semiconductor – SAM87 family of 8-bit single-chip CMOS microcontrollers, 272-byte general purpose register area, 16-Kbyte internal program memory

S3C8075/P8075
I/O PORTS
MSB .7
Port 4 Interrupt Enable Register (P4INT)
E8H, Set 1, Bank 0, R/W
.6
.5
.4
.3
.2
.1
.0 LSB
P4.0/INT4
P4.1/INT5
P4.2/INT6
P4.3/INT7
P4.4/INT8
P4.5/INT9
P4.6/INT10
P4.7/INT11
Port 4 interrupt control setting:
0 = Disable interrupt at P4.n pin
1 = Enable interrupt at P4.n pin
Figure 9-10. Port 4 Interrupt Enable Register(P4INT)
MSB .7
Port 4 Interrupt Pending Register (P4PND)
E7H, Set 1, Bank 0, R/W
.6
.5
.4
.3
.2
.1
.0 LSB
P4.0/INT4
P4.1/INT5
P4.2/INT6
P4.3/INT7
P4.4/INT8
P4.5/INT9
P4.6/INT10
P4.7/INT11
Port 4 interrupt request pending bits:
0 = Interrupt request is not pending
1 = Interrupt request is pending
Figure 9-11. Port 4 Interrupt Pending Register (P4PND)
9-9