• Thumbnail for MOS Technology 6522
    The MOS Technology 6522 Versatile Interface Adapter (VIA) is an integrated circuit that was designed and manufactured by MOS Technology as an I/O port...
    7 KB (939 words) - 08:48, 28 April 2024
  • Thumbnail for Commodore PET
    in 1977 by Commodore International. A single all-in-one case combines a MOS Technology 6502 microprocessor, Commodore BASIC in read-only memory, keyboard...
    47 KB (5,940 words) - 00:07, 7 August 2024
  • Thumbnail for Vectrex
    4-bit 2114 chips) ROM: 8 KB (one 8-bit 2363 chip) Cartridge ROM: 32 KB MOS 6522 Versatile Interface Adapter (VIA) Sound: General Instrument AY-3-8912 MCU...
    24 KB (3,027 words) - 13:02, 9 July 2024
  • Thumbnail for MOS Technology
    One result was that the newly completed 6522 (VIA) chip was left undocumented for years. Bill Mensch left MOS even before the Commodore takeover, and...
    25 KB (2,850 words) - 16:58, 30 August 2024
  • 8-bit digital bidirectional parallel I/O port. Unlike the more sophisticated 6522 VIA and 6526 CIA, it did not allow the data direction for each I/O line to...
    1 KB (148 words) - 01:53, 20 May 2022
  • Thumbnail for MOS Technology CIA
    6526/8520 Complex Interface Adapter (CIA) was an integrated circuit made by MOS Technology. It served as an I/O port controller for the 6502 family of microprocessors...
    11 KB (1,533 words) - 00:02, 26 April 2024
  • Thumbnail for Commodore 1570
    available. The drive uses the CPU MOS 6502, floppy controller WD1770 or WD1772, I/O controllers 2x MOS Technology 6522 and 1x MOS Technology 6526. "Commodore...
    3 KB (286 words) - 04:13, 19 August 2024
  • Thumbnail for WDC 65C22
    packages. W65C22N: This device is fully compatible with the NMOS 6522 produced by MOS Technology and others, and includes current-limiting resistors on...
    4 KB (445 words) - 21:11, 4 June 2023
  • which combines 20 GPIOs with other general-purpose interfaces (MOS Technology 6522) A PIC microcontroller with 29 remappable GPIOs (Microchip Technology...
    9 KB (1,256 words) - 16:33, 23 August 2024
  • Thumbnail for Commodore 1541
    a flaw in the 6522 VIA interface controller. Initially, Commodore intended to use a hardware shift register (one component of the 6522) to maintain fast...
    28 KB (3,662 words) - 03:58, 19 August 2024
  • Thumbnail for Western Design Center
    manufacture of, MOS Technology 65xx based microprocessors, microcontrollers (µCs), and related support devices. WDC was founded in 1978 by a former MOS Technology...
    6 KB (344 words) - 06:19, 24 August 2024
  • Thumbnail for Commodore 1571
    digitally. The drive uses the MOS 6502 CPU, WD1770 or WD1772 floppy controller, 2x MOS Technology 6522 I/O controllers and 1x MOS Technology 6526. Unlike the...
    15 KB (1,910 words) - 04:10, 19 August 2024
  • Thumbnail for VIC-20
    because it required an 80-column character display which in turn required the MOS Technology 6564 chip. However, the chip could not be used in the TOI since...
    38 KB (4,346 words) - 20:26, 15 August 2024
  • computer: the IWM floppy controller, the Zilog 8530 SCC, and the MOS Technology 6522. The bus also connected the 68000 to the 128 or 512 KiB of main memory...
    13 KB (1,832 words) - 15:53, 9 August 2024
  • Thumbnail for Commodore D9060
    jumper located on the front of the DOS PCB 2 × MOS 6502 microprocessors @ 1 MHz 2 × 6532 RIOT I/O chips 1 × 6522 VIA I/O chip 8 × 2114 SRAM chips 4 KB DOS...
    17 KB (1,877 words) - 07:47, 3 September 2024
  • Thumbnail for BBC Master
    anticipated by one reviewer for the Master 128. Although chips such as the 6522 VIA and 6845 CRTC were retained in the Master series, much of the discrete...
    64 KB (5,420 words) - 06:37, 24 February 2024
  • Thumbnail for AIM-65
    AIM-65 computer is a development computer introduced in 1978 based on the MOS Technology 6502 microprocessor. The AIM-65 is essentially an expanded KIM-1...
    8 KB (848 words) - 03:49, 29 August 2024
  • Products Inc. MasterCard II – Pace electronics. 6850 based serial port with a 6522 user port to drive autodial modems. Simple terminal program included in onboard...
    6 KB (741 words) - 00:56, 8 June 2024
  • include the G65SC816 CPU, ULA, 512 KB of dynamic RAM, 32 KB of static RAM, 6522 VIA, AM2910PC modem, SCN2641CC1N24 UART, and SAA5240 teletext decoder and...
    24 KB (2,445 words) - 01:11, 26 August 2024
  • Thumbnail for BBC Micro
    Model B software need to add the extra RAM and the user/printer MOS Technology 6522 VIA (which many games use for timers) and snip a link, a task that...
    97 KB (9,460 words) - 23:18, 27 August 2024
  • Thumbnail for Commodore CBM-II
    the user port are still present (as they're an internal function of the 6522 chips) but there is no connector for it on the motherboard. A cartridge slot...
    14 KB (1,859 words) - 07:35, 24 February 2024
  • Thumbnail for Intel 8255
    Center WDC 65C21 (equivalent to the Motorola 6820/6821), and the MOS Technology 6522 VIA and 6526 CIA which had considerable additional functionality...
    19 KB (2,593 words) - 23:35, 16 July 2024
  • Thumbnail for General Instrument AY-3-8910
    additional interface adapter such as the MOS Technology 6522 when the chip was used with the much more common MOS Technology 6502 or Zilog Z80 CPUs. Six...
    15 KB (2,092 words) - 02:15, 19 August 2024
  • terminal-like design. Pravetz 8D - 8 bit home computer, based on 6502 and VIA 6522. It used a TV set instead of a computer monitor. Not compatible with Pravetz...
    9 KB (1,087 words) - 20:10, 7 April 2024
  • HGNC:4487 O75388 6520 GPR33 HGNC:4489 Q49SQ1 6521 GPR34 HGNC:4490 Q9UPC5 6522 GPR35 HGNC:4492 Q9HC97 6523 GPR37 HGNC:4494 O15354 6524 GPR37L1 HGNC:14923...
    277 KB (17 words) - 15:46, 9 May 2024
  • Thumbnail for Moux
    Moux (French pronunciation: [muks] ; Occitan: Mos) is a commune in the Aude department in southern France. Corbières AOC Communes of the Aude department...
    2 KB (75 words) - 21:17, 5 July 2024
  • Thumbnail for Chiptune
    Commodore PET has the open-source PetSynth software, which uses the PET's 6522 chip for sound, allows the computer to be played like a piano keyboard, and...
    68 KB (6,114 words) - 15:39, 2 September 2024
  • Thumbnail for Acorn Electron
    port, sideways ROM sockets, and mini-cartridge sockets supported by the 6522 versatile interface adapter (VIA) chip. The Plus 1 itself was released in...
    163 KB (17,759 words) - 21:23, 3 April 2024
  • Thumbnail for Commodore 64 peripherals
    without pictures available: E-LINK Serial to IEEE Interface. (contains 65C02, 6522 and 4 kB ROM) Buscard II Interface. (contains a 6532, 6821 (PIA) and 8 kB...
    80 KB (10,420 words) - 16:06, 11 July 2024
  • Thumbnail for Commodore bus
    VIC-20 computer and the Commodore 1540 and 1541 floppy drives use the MOS Technology 6522 VIA to handle IEC Bus transmissions. The Commodore 64 and 128 computers...
    16 KB (1,240 words) - 03:20, 31 July 2024