Samsung S3C9444 User Manual page 127

8-bit cmos microcontrollers
Table of Contents

Advertisement

I/O PORTS
9-4
Port 0 Control Register (Low Byte)
MSB
.7
.6
.5
[.7-.6] Not used for S3C9444
[.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 9-3. Port 0 Control Register (P0CONL, Low Byte)
E7H, R/W
.4
.3
.2
.1
S3C9444/F9444_UM_REV1.10
.0
LSB

Advertisement

Table of Contents
loading

This manual is also suitable for:

S3f9444

Table of Contents