Samsung S3C9454B User Manual page 144

S3C9454B/F9454B I/O PORTS
Port 2 Control Register (Low Byte)
EBH, R/W
MSB .7 .6 .5 .4 .3 .2 .1 .0 LSB
[.7-.6] Port 2, P2.3 Configuration Bits
0 0 = Schmitt trigger input; pull-up enable
0 1 = Schmitt trigger input
1 0 = Push-pull output
1 1 = Open-drain output
[.5-.4] Port 2, P2.2 Configuration Bits
0 0 = Schmitt trigger input; pull-up enable
0 1 = Schmitt trigger input
1 0 = Push-pull output
1 1 = Open-drain output
[.3-.2] Port 2, P2.1 Configuration Bits
0 0 = Schmitt trigger input; pull-up enable
0 1 = Schmitt trigger input
1 0 = Push-pull output
1 1 = Open-drain output
[.1-.0] Port 2, P2.0 Configuration Bits
0 0 = Schmitt trigger input; pull-up enable
0 1 = Schmitt trigger input
1 0 = Push-pull output
1 1 = T0 match output
Figure 9-10. Port 2 Control Register (P2CONL, Low Byte)
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