Motorola MVME133A-20
Motorola MVME133A-20
Motorola MVME133A-20
Motorola MVME133A-20
Motorola MVME133A-20
Motorola MVME133A-20
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MVME133A-20

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The Motorola MVME133A-20 is a high-performance single-board MPU module with VMEbus interface, ideal for real-time industrial automation and robotics applications.
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Technical specifications for MVME133A-20

  • Manufacturer:
    Motorola VME
  • Part Number:
    MVME133A-20
  • Product Family:
    Motorola VME
  • Bus configuration:
    Data Transfer Bus (DTB) master or slave, with 32-bit or 24-bit address (A32 or A24) and 32-bit or 16-bit data (D32 or D16) (MVME133A-20).
  • Interrupt handler:
    Any or all onboard interrupts plus up to seven VMEbus interrupts
  • Interrupter:
    Level 3 with status ID of $FF
  • Bus arbitration:
    When MVME133 is system controller, it arbitrates bus requests/grants on level 3 only
  • Operating Temperature:
    0° to 55° C at point of entry of forced air (approximately 150 LFM)
  • Storage Temperature:
    40° to 85° C
  • Relative humidity:
    5%to 90% (noncondensing)
  • Connectors:
    DIN No. 41612C96 male (P1,P2)
  • VMEbus RS-232C:
    DB-25 female (J14)
  • Weight:
    0.5 kg
  • Estimated shipping dimensions:
    2x18.8x26.1cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.
Description
The Motorola MVME133A-20 is a double-high, single-board MPU module designed for VMEbus systems, offering versatile A32/D32 or A24/D32 data and address configurations. Powered by the MC68020 microprocessor, it provides 32-bit data and address handling, along with 1 MB of shared local dynamic RAM accessible from the VMEbus. Four 28-pin JEDEC sockets support ROM, PROM, EPROM, or EEPROM memory expansions up to 256 KB, providing flexible firmware options.

Equipped with robust serial communication interfaces, the MVME133A-20 features a front panel asynchronous DB-25 debug port, dual multiprotocol serial ports supporting RS-485/RS-422A and RS-232C, as well as three 8-bit programmable timers for tick and watchdog functions. The onboard time-of-day clock/calendar (MM58274A) ensures accurate real-time operation for time-sensitive industrial applications.

As a system controller module, the MVME133A-20 provides VMEbus arbitration, interrupter functions with level 3 status ID, and interrupt handling for up to seven VMEbus levels. Front panel indicators and switches, including RUN, HALT, FAIL LEDs, and RESET/ABORT switches, enhance operational monitoring and control, while remote reset capability is supported via edge connector P2.

Ideal for industrial automation, robotics, and other real-time control applications, the MVME133A-20 can be optionally paired with MVME133BUG or MMME133ABUG debug monitor firmware to provide a comprehensive suite of onboard diagnostics, bootstrap loading, and assembly/disassembly tools. Its robust design ensures reliable operation in environments from 0° to 55°C and relative humidity of 5–90% non-condensing.
Alternative Names
MVMEI33A-20 MVME133A-Z0 MVME133A-2O MVME133A20 MVME133A 20 MVME 133A-20
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What processor does the MVME133A-20 use?
It uses the MC68020 32-bit microprocessor.
What memory does the module include?
The MVME133A-20 has 1 MB of shared local dynamic RAM and supports up to 256 KB of ROM/PROM/EPROM/EEPROM via four 28-pin JEDEC sockets.
How many serial ports are available on the MVME133A-20?
It has a front panel DB-25 debug port and dual multiprotocol serial ports (RS-485/RS-422A and RS-232C).
How fast can the MVME133A-20 be shipped?
Orders are typically processed and shipped within 2–3 business days.