External interrupt control register – Samsung S3F401F User Manual

Page 183

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I/O PORTS

S3F401F_UM_REV1.00

8-34

External Interrupt Control Register

EXTINTL (0x054) Access: Read/Write

31 30 29 28 27 26 25 24

P1.15[31:30]

P1.14[29:28]

P1.13[27:26]

P1.12[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

P1.11[23:22]

P1.10[21:20]

P1.9[19:18]

P1.8[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

P1.7[15:14]

P1.6[13:12]

P1.5[11:10]

P1.4[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

P1.3[7:6]

P1.2[5:4]

P1.1[3:2]

P1.0 [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

P1.0

EXTINT 1.0 Edge Selection Field

00 = Falling edge

01 = Rising edge

10 = Both edge

P1.2

EXTINT 1.2 Edge Selection Field

00 = Falling edge

01 = Rising edge

10 = Both edge

P1.3

EXTINT 1.3 Edge Selection Field

00 = Falling edge

01 = Rising edge

10 = Both edge

P1.4

EXTINT 1.4 Edge Selection Field

00 = Falling edge

01 = Rising edge

10 = Both edge

P1.5

EXTINT 1.5 Edge Selection Field

00 = Falling edge

01 = Rising edge

10 = Both edge

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