| Part Number | MC6821 |
| Manufacturer | Motorola |
| Title | PERIPHERAL INTERFACE ADAPTER |
| Description | MC6821 PERIPHERAL INTERFACE ADAPTER (PIA) The MC6821 Peripheral Interface Adapter provides the universal means of interfacing peripheral equipmen... |
| Features |
upt Input Lines; Two
Usable as Peripheral Control Outputs
• Handshake Control Logic for Input and Output Peripheral Operation • High-Impedance Three-State and Direct Transistor Drive Peripheral Lines • Program Controlled Interrupt and Interrupt Disab... |
| Datasheet |
 MC6821 Datasheet
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