Samsung S3C2440A User Manual

Page 268

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I/O PORTS

S3C2440A RISC MICROPROCESSOR

9-22

PORT J CONTROL REGISTERS(GPJCON, GPJDAT)

Register Address

R/W

Description

Reset

Value

GPJCON

0x560000d0

R/W

Configures the pins of port J

0x0

GPJDAT

0x560000d4

R/W

The data register for port J

Undef.

GPJUP

0x560000d8

R/W

pull-up disable register for port J

0x0000

Reserved 0x560000dc - -

-

GPJCON Bit

Description

GPJ12

[25:24]

00 = Input

01 = Output

10 = CAMRESET

11 = Reserved

GPJ11

[23:22]

00 = Input

01 = Output

10 = CAMCLKOUT

11 = Reserved

GPJ10

[21:20]

00 = Input

01 = Output

10 = CAMHREF

11 = Reserved

GPJ9

[19:18]

00 = Input

01 = Output

10 = CAMVSYNC

11 = Reserved

GPJ8

[17:16]

00 = Input

01 = Output

10 = CAMPCLK

11 = Reserved

GPJ7

[15:14]

00 = Input

01 = Output

10 = CAMDATA[7]

11 = Reserved

GPJ6

[13:12]

00 = Input

01 = Output

10 = CAMDATA[6]

11 = Reserved

GPJ5

[11:10]

00 = Input

01 = Output

10 = CAMDATA[5]

11 = Reserved

GPJ4

[9:8]

00 = Input

01 = Output

10 = CAMDATA[4]

11 = Reserved

GPJ3

[7:6]

00 = Input

01 = Output

10 = CAMDATA[3]

11 = Reserved

GPJ2

[5:4]

00 = Input

01 = Output

10 = CAMDATA[2]

11 = Reserved

GPJ1

[3:2]

00 = Input

01 = Output

10 = CAMDATA[1]

11 = Reserved

GPJ0

[1:0]

00 = Input

01 = Output

10 = CAMDATA[0]

11 = Reserved

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