Samsung S3F80JB manual P3CON Port 3 Control Register EFH Set1 Bank0

Models: S3F80JB

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S3F80JBCONTROL REGISTERS

P3CON — Port 3 Control Register

EFH Set1 Bank0

Bit Identifier

Reset Value

Read/Write

Addressing Mode

.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

.7 and .6

Package Selection and Alternative Function Select Bits

 

0

0

32 pin package

 

 

 

P3.0: T0PWM/T0CAP/T1CAP/T2CAP, P3.1: REM/T0CK

 

Others

42/44 pin package

 

 

 

P3.0: T0PWM/T0CAP, P3.3: T1CAP/T2CAP

 

 

 

P3.1: REM, P3.2: T0CK

.5

P3.1 Function Selection Bit

0Normal I/O selection

1Alternative function enable (REM/T0CK)

.4 and .3

P3.1 Mode Selection Bits

 

0

0

Schmitt trigger input mode

 

 

 

 

 

0

1

Open- drain output mode

 

1

0

Push pull output mode

 

 

 

 

 

1

1

Schmitt trigger input with pull up resistor.

.2

Function Selection Bit for P3.0 & P3.3

 

0

Normal I/O selection

 

1

Alternative function enable (P3.0: T0PWM/T0CAP, P3.3: T1CAP/T2CAP)

.1 and .0

P3.0 Mode Selection Bits

 

0

0

Schmitt trigger input mode

 

0

1

Open- drain output mode

 

1

0

Push pull output mode

 

1

1

Schmitt trigger input with pull up resistor.

4-31

Page 98
Image 98
Samsung S3F80JB manual P3CON Port 3 Control Register EFH Set1 Bank0