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S3C9454B/F9454B
I/O PORTS
Port 0 Control Register (Low Byte)
E7H, R/W
MSB
.7
.6
.5
.4
.3
.2
.1
.0
LSB
[.7-.6] Port 0, P0.3/ADC3 Configuration Bits
0 0 = Schmitt trigger input
0 1 = Schmitt trigger input; pull-up enable
1 0 = Push-pull output
1 1 = A/D converter input (ADC3); Schmitt trigger input off
[.5-.4] Port 0, P0.2/ADC2 Configuration Bits
0 0 = Schmitt trigger input
0 1 = Schmitt trigger input; pull-up enable
1 0 = Push-pull output
1 1 = A/D converter input (ADC2); Schmitt trigger input off
[.3-.2] Port 0, P0.1/ADC1/INT1 Configuration Bits
0 0 = Schmitt trigger input/falling edge interrupt input
0 1 = Schmitt trigger input; pull-up enable/falling edge interrupt input
1 0 = Push-pull output
1 1 = A/D converter input (ADC1); Schmitt trigger input off
[.1-.0] Port 0, P0.0/ADC0/INT0 Configuration Bits
0 0 = Schmitt trigger input/falling edge interrupt input
0 1 = Schmitt trigger input; pull-up enable/falling edge interrupt input
1 0 = Push-pull output
1 1 = A/D converter input (ADC0); Schmitt trigger input off
Figure 9-4. Port 0 Control Register (P0CONL, Low Byte)
9-5
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