S3C84E5/C84E9/P84E9CONTROL REGISTER

P3CONL — Port 3 Control Register (Low Byte)

EFH 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

 

 

 

 

 

P3.3/ADC3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0 Input mode with pull-up

 

 

 

 

 

01 Input mode

10 Push-pull output mode

1 1 Alternative function mode: ADC3 input

.5–.4P3.2/ADC2

0

0 Input mode with pull-up

01 Input mode

10 Push-pull output mode

1 1 Alternative function mode: ADC2 input

.3–.3P3.1/ADC1

0

0 Input mode with pull-up

01 Input mode

10 Push-pull output mode

1 1 Alternative function mode: ADC1 input

.1–.0P3.0/ADC0

0

0 Input mode with pull-up

01 Input mode

10 Push-pull output mode

1 1 Alternative function mode: ADC0 input

4-23

Page 92
Image 92
Samsung S3C84E5 P3CONL Port 3 Control Register Low Byte EFH Set 1, Bank, P3.3/ADC3, 4P3.2/ADC2, 3P3.1/ADC1, 0P3.0/ADC0