Samsung S3F401F - Manual (Page 181)

I/O PORTS S3F401F_UM_REV1.00
8-32
External Interrupt Control Register EXTINTH (0x050) Access: Read/Write
31 30 29 28 27 26 25 24
– – P1.30[29:28] P1.29[27:26] P1.28[25:24]
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
23 22 21 20 19 18 17 16
P1.27[23:22] P1.26[21:20] P1.25[19:18] P1.24[17:16]
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
15 14 13 12 11 10 9 8
P1.23[15:14] P1.22[13:12] P1.21[11:10] P1.20[9:8]
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
7 6 5 4 3 2 1 0
P1.19[7:6] P1.18[5:4] P1.17[3:2] P1.16[1:0]
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
W: Write R: Read -0: 0 After reset -1: 1 After reset -U: Undefined after reset
P1.16 EXTINT 1.16 Edge Selection Field
00 = Falling edge
01 = Rising edge
10 = Both edge
P1.17 EXTINT 1.17 Edge Selection Field
00 = Falling edge
01 = Rising edge
10 = Both edge
P1.18 EXTINT 1.18 Edge Selection Field
00 = Falling edge
01 = Rising edge
10 = Both edge
P1.19 EXTINT 1.19 Edge Selection Field
00 = Falling edge
01 = Rising edge
10 = Both edge
P1.20 EXTINT 1.20 Edge Selection Field
00 = Falling edge
01 = Rising edge
10 = Both edge