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- Peripheral_Interface_Adapter abstract "The Peripheral Interface Adapter (PIA) is a peripheral integrated circuit providing parallel I/O interfacing capability for microprocessor systems. Common PIAs include the Motorola MC6820 and MC6821, and the MOS Technology MCS6520, all of which are functionally identical but have slightly different electrical characteristics. The PIA is most commonly packaged in a 40 pin DIP package.The PIA is designed for glueless connection to the Motorola 6800 style bus, and provides 20 I/O lines, which are organised into 2 8-bit bidirectional ports (or 16 general-purpose I/O lines) and 4 control lines (for handshaking and interrupt generation). The directions for all 16 general lines (PA0-7, PB0-7) can be programmed independently. The control lines can be programmed to generate interrupts, automatically generate handshaking signals for devices on the I/O ports, or output a plain high or low signal.It was used in Atari 800 family of computers (to provide four joystick ports to the machine). It was also used in the Apple I to interface the ASCII keyboard and the display.".
- Peripheral_Interface_Adapter thumbnail Motorola_MC6820L_MC6821L.jpg?width=300.
- Peripheral_Interface_Adapter wikiPageID "1478660".
- Peripheral_Interface_Adapter wikiPageRevisionID "548696481".
- Peripheral_Interface_Adapter hasPhotoCollection Peripheral_Interface_Adapter.
- Peripheral_Interface_Adapter subject O_Chips.
- Peripheral_Interface_Adapter comment "The Peripheral Interface Adapter (PIA) is a peripheral integrated circuit providing parallel I/O interfacing capability for microprocessor systems. Common PIAs include the Motorola MC6820 and MC6821, and the MOS Technology MCS6520, all of which are functionally identical but have slightly different electrical characteristics.".
- Peripheral_Interface_Adapter label "MOS 6520".
- Peripheral_Interface_Adapter label "MOS Technology 6520".
- Peripheral_Interface_Adapter label "Peripheral Interface Adapter".
- Peripheral_Interface_Adapter sameAs MOS_Technology_6520.
- Peripheral_Interface_Adapter sameAs MOS_6520.
- Peripheral_Interface_Adapter sameAs m.054q3g.
- Peripheral_Interface_Adapter sameAs Q1400010.
- Peripheral_Interface_Adapter sameAs Q1400010.
- Peripheral_Interface_Adapter wasDerivedFrom Peripheral_Interface_Adapter?oldid=548696481.
- Peripheral_Interface_Adapter depiction Motorola_MC6820L_MC6821L.jpg.
- Peripheral_Interface_Adapter isPrimaryTopicOf Peripheral_Interface_Adapter.
