Samsung S3F401F - Manual (Page 151)

I/O PORTS S3F401F_UM_REV1.00
8-2
2. S3F401F PORT CONFIGURATION OVERVIEW
All three port groups have the identical function as shown in Table 8-1:
Table 8-1. S3F401F Port Configuration Overview
Port Group Configuration Options
General push-pull/open-drain I/O port with pull-up resistor assigned by software control:
The P0.0 to P0.8 can be used alternately as timer function pins.
The P0.8 can be used alternately as ADC trigger function pins.
The P0.9 to P0.11 can be used alternately as encoder function pins.
Port 0.x
The P0.12 to P0.18 can be used alternately as inverter motor function pins.
General push-pull/open-drain I/O port with pull-up resistor assigned by software control:
The P1.0 to P1.30 can be used alternately as external interrupt function pins.
The P1.0 to P1.3 can be used alternately as UART function pins.
The P1.4 to P1.12 can be used alternately as timer function pins.
The P1.13 to P1.20 can be used alternately as SSP function pins.
The P1.21 to P1.23 can be used alternately as encoder function pins.
Port 1.x
The P1.24 to P0.30 can be used alternately as inverter motor function pins.
General push-pull/open-drain I/O port with pull-up resistor assigned by software control: Port 2.x
The P2.0 to P2.14 can be used alternately as ADC input function pins.