S3C84E5/C84E9/P84E9CONTROL REGISTER

P1CONL — Port 1 Control Register (Low Byte)

E9H 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

 

 

 

 

 

P1.3/BZOUT Configuration Bits

 

 

 

 

 

 

 

 

 

 

 

 

0

0 Input mode with pull-up

 

 

 

 

 

01 Input mode

10 Push-pull output mode

1 1 Alternative function mode: BZOUT output

.5–.4

P1.2/T1OUT0 Configuration Bits

 

0

0

Input mode with pull-up

 

 

 

 

 

0

1

Input mode

 

 

 

 

 

1

0

Push-pull output mode

 

 

 

 

 

1

1

Alternative function mode: T1OUT0 output

 

 

 

 

.3–.2

P1.1/T1CK0 Configuration Bits

 

0

0

Input mode with pull-up; T1CK0 input

 

 

 

 

 

0

1

Input mode; T1CK0 input

 

 

 

 

 

1

X

Push-pull output mode

 

 

 

 

.1–.0

P1.0/TAOUT Configuration Bits

 

0

0

Input mode with pull-up

 

 

 

 

 

0

1

Input mode

 

 

 

 

 

1

0

Push-pull output mode

 

 

 

 

 

1

1

Alternative function mode: TAOUT output

 

 

 

 

4-17

Page 86
Image 86
Samsung S3C84E5 user manual P1CONL Port 1 Control Register Low Byte E9H Set 1, Bank, P1.3/BZOUT Configuration Bits