S3C84E5/C84E9/P84E9CONTROL REGISTER

P2CONL — Port 2 Control Register (Low Byte)

EBH Set 1, Bank 0

Bit Identifier

Reset Value

Read/Write Addressing Mode

.7–.6

.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

P2.3/INT3

 

0

0

 

Input mode with pull-up; falling edge interrupt (INT3)

 

 

 

 

 

 

0

1

 

Input mode; falling edge interrupt (INT3)

 

 

 

 

 

 

1

0

 

Input mode; rising edge interrupt (INT3)

 

 

 

 

 

 

1

1

 

Push-pull output mode

 

 

 

 

 

.5–.4

P2.2/INT2

 

 

 

 

 

 

 

0

0

 

Input mode with pull-up; falling edge interrupt (INT2)

 

 

 

 

 

 

0

1

 

Input mode; falling edge interrupt (INT2)

 

 

 

 

 

 

1

0

 

Input mode; rising edge interrupt (INT2)

 

 

 

 

 

 

1

1

 

Push-pull output mode

 

 

 

 

 

.3–.2

P2.1/INT1

 

 

 

 

 

 

 

0

0

 

Input mode with pull-up; falling edge interrupt (INT1)

 

 

 

 

 

 

0

1

 

Input mode; falling edge interrupt (INT1)

 

 

 

 

 

 

1

0

 

Input mode; rising edge interrupt (INT1)

 

 

 

 

 

 

1

1

 

Push-pull output mode

 

 

 

 

 

.1–.0

P2.0/INT0

 

 

 

 

 

 

 

0

0

 

Input mode with pull-up; falling edge interrupt (INT0)

 

 

 

 

 

 

0

1

 

Input mode; falling edge interrupt (INT0)

 

 

 

 

 

 

1

0

 

Input mode; rising edge interrupt (INT0)

 

 

 

 

 

 

1

1

 

Push-pull output mode

 

 

 

 

 

4-19

Page 88
Image 88
Samsung S3C84E5 P2CONL Port 2 Control Register Low Byte EBH Set 1, Bank, P2.3/INT3, P2.2/INT2, P2.1/INT1, P2.0/INT0