P3Con Port 3 Control Register - Samsung S3F80JB User Manual

S3F80JB
P3CON
— Port 3 Control Register
Bit Identifier
Reset Value
Read/Write
Addressing Mode
.7 and .6
.5
.4 and .3
.2
.1 and .0
.7 .6
0 0
R/W R/W
Register addressing mode only
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
P3.1 Function Selection Bit
0 Normal I/O selection
1 Alternative function enable (REM/T0CK)
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.
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)
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.
.5 .4 .3
0 0
R/W R/W R/W
CONTROL REGISTERS
EFH Set1 Bank0
.2 .1
0 0 0
R/W R/W
.0
0
R/W
4-31