8155 PPI

8155 PPI

1. Features

1.1. 2 programmable 8 bit i/o port

1.2. 1 programmable 6 bit i/o port

1.3. 1 programmable 14 bit cpunter and timer

2. Description

3. Block Diagram

4. Modes

4.1. Input

4.2. Output

4.3. Timer

5. Contain RAM i/o port and timer

6. Command Word Format