4.1 Digital I/O Cell Control PinsΒΆ
IE |
OE |
Input/Output Control |
0 |
0 |
Input & Output Disable |
0 |
1 |
Output Enabled |
1 |
0 |
Input Enabled |
1 |
1 |
Disallowed |
CS |
Input Type |
0 |
CMOS Buffer |
1 |
Schmitt Trigger |
PU |
PD |
Resistive Pulling |
0 |
0 |
Normal CMOS |
0 |
1 |
Pull Down |
1 |
0 |
Pull Up |
1 |
1 |
Normal CMOS |
SL |
Output Slew Rate |
0 |
Fast |
1 |
Slow |
PDRV1 |
PDRV0 |
Output drive strength |
0 |
0 |
4mA |
0 |
1 |
8mA |
1 |
0 |
12mA |
1 |
1 |
16mA |