S3C84E5/C84E9/P84E9CONTROL REGISTER

P4CONL — Port 4 Control Register (Low Byte)

F1H 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

 

 

 

 

 

P4.3/TBPWM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0 Input mode with pull-up

 

 

 

 

 

01 Input mode

10 Push-pull output mode

1 1 Alternative function mode: TBPWM output

.5–.4

P4.2/INT10

 

0

0

Input mode with pull-up; falling edge interrupt (INT10)

 

 

 

 

 

0

1

Input mode; falling edge interrupt (INT10)

 

 

 

 

 

1

0

Input mode; rising edge interrupt (INT10)

 

 

 

 

 

1

1

Push-pull output mode

 

 

 

 

.3–.2

P4.1/INT9

 

 

0

0

Input mode with pull-up; falling edge interrupt (INT9)

 

 

 

 

 

0

1

Input mode; falling edge interrupt (INT9)

 

 

 

 

 

1

0

Input mode; rising edge interrupt (INT9)

 

 

 

 

 

1

1

Push-pull output mode

 

 

 

 

.1–.0

P4.0/INT8

 

 

0

0

Input mode with pull-up; falling edge interrupt (INT8)

 

 

 

 

 

0

1

Input mode; falling edge interrupt (INT8)

 

 

 

 

 

1

0

Input mode; rising edge interrupt (INT8)

 

 

 

 

 

1

1

Push-pull output mode

 

 

 

 

4-25

Page 94
Image 94
Samsung S3C84E5 P4CONL Port 4 Control Register Low Byte F1H Set 1, Bank, P4.3/TBPWM, P4.2/INT10, P4.1/INT9, P4.0/INT8