CONTROL REGISTERSS3C9228/P9228

P0CON – Port 0 Control Register

EBH

Bit Identifier

RESET Value

Read/Write

.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

P0.3/BUZ/INT Configuration Bits

 

 

 

 

 

 

 

 

 

 

 

0 0

Schmitt trigger input

 

 

 

 

 

01 Push-pull output

10 N-channel open-drain output

1

1 Alternative function (BUZ output)

.5-.4

P0.2/INT Configuration Bits

 

0

0

Schmitt trigger input

 

 

 

 

 

0

1

Push-pull output

 

 

 

 

 

1

0

N-channel open-drain output

 

 

 

 

 

1

1

Not available

 

 

 

 

.3-.2

P0.1/T1CLK/INT Configuration Bits

 

0

0

Schmitt trigger input (T1CLK input)

 

 

 

 

 

0

1

Push-pull output

 

 

 

 

 

1

0

N-channel open-drain output

 

 

 

 

 

1

1

Not available

 

 

 

 

.1-.0

P0.0/TAOUT/INT Configuration Bits

 

0

0

Schmitt trigger input

 

 

 

 

 

0

1

Push-pull output

 

 

 

 

 

1

0

N-channel open-drain output

 

 

 

 

 

1

1

Alternative function (TAOUT output)

 

 

 

 

4-14

Page 66
Image 66
Samsung S3C9228/P9228 P0CON Port 0 Control Register, Ebh, P0.2/INT Configuration Bits, P0.1/T1CLK/INT Configuration Bits