Chapter 7
I/O Port
Port 1 VII - 37
7.5 Port 1
The following table shows the special functions of Port 1.
Table:7.5.1 Port 1
7.5.1 Setup of Port 1
Table:7.5.2 P10 Function Selection
Table:7.5.3 P11 Function Selection
Pin Special function
P10 AN0 IRQ0A KEY0A
P11 AN1 IRQ1A KEY1A
P12 AN2 IRQ4C KEY2A
P13 AN3 IRQ5C KEY3A
P14 AN4 IRQ4A KEY4A
P15 AN5 IRQ5A KEY5A
P16 AN6 IRQ6A KEY6A
P17 AN7 KEY7A -
Setup Function
Register ANEN0 IRQIEN IRQISEL0 KEYIEN KEYSEL
Bit name ANEN00 IRQI0EN IRQ0SEL KEYI0EN KEY0SEL
1----AN0
0
100-IRQ0A
0-
1 0 KEY0A
0-P10
Setup Function
Register ANEN0 IRQIEN IRQISEL0 KEYIEN KEYSEL
Bit name ANEN01 IRQI1EN IRQ1SEL KEYI1EN KEY1SEL
1----AN1
0
100-IRQ1A
0-
1 0 KEY1A
0-P11