S3C84E5/C84E9/P84E9CONTROL REGISTER

P0CONL — Port 0 Control Register (Low Byte)

E7H 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

1

1

1

1

R/W

 

R/W

R/W

R/W

R/W

R/W

R/W

R/W

Register addressing mode only

 

 

 

 

 

P0.3/T1CK1 Configuration Bits

 

 

 

 

 

 

 

 

 

 

0

0 Input mode with pull-up; T1CK1 input

 

 

 

01 Input mode; T1CK1 input

1X Push-pull output mode

.5–.4

P0.2/T1CAP1 Configuration Bits

 

0

0

Input mode with pull-up; T1CAP1 input

 

 

 

 

 

0

1

Input mode; T1CAP1 input

 

 

 

 

 

1

X

Push-pull output mode

 

 

 

 

.3–.2

P0.1/XTout Configuration Bits

 

0

0

Input mode with pull-up

 

 

 

 

 

0

1

Input mode

 

 

 

 

 

1

0

Push-pull output mode

 

 

 

 

 

1

1

Alternative function mode: Sub oscillator output (XTout)

 

 

 

 

.1–.0

P0.0/XTin Configuration Bits

 

0

0

Input mode with pull-up

 

 

 

 

 

0

1

Input mode

 

 

 

 

 

1

0

Push-pull output mode

 

 

 

 

 

1

1

Alternative function mode: Sub oscillator input (XTin)

 

 

 

 

4-15

Page 84
Image 84
Samsung S3C84E5 user manual P0CONL Port 0 Control Register Low Byte E7H Set 1, Bank, P0.3/T1CK1 Configuration Bits