Analog Output:

4 channels, 12 bit resolution

Selectable unipolar or bipolar ranges 0-5V, 0-10V, ±5V, ±10V

100K conversions per second

3mA drive

Digital Input/Output:

24 parallel bits (two 8 bit ports, two 4 bit ports)

64mA sink, 32mA source (ports A and B)

I/O pulled up to 5V

Change of state detect on port C

Type 82C55 PPI mode 0 (1 and 2 optional)

Industry Standard 50 pin header

Timer/Counter: Type 82C54 (3x16 bit)

Software Supported Modes:

I/O Connectors:

Two Industry Standard 50 pin headers