Description
The Emerson / Motorola MVME162 is a double-high VME module equipped with an MC68LC040 or optional MC68040 microprocessor. (The MC68040 microprocessor has a floating-point coprocessor; the MC68LC040 does not.) The MVME162 has 1MB, 4MB, or 8MB of parity-protected DRAM; 512KB SRAM (with battery backup); a TOD clock (with battery backup); an optional LAN Ethernet transceiver interface with DMA, two serial ports (EIA-232-D and EIA-232-D/EIA-530); six tick timers with watchdog timer(s); optional SCSI bus interface with DMA; VMEbus interface (local bus to VMEbus/VMEbus to local bus, with A16/A24/A32, D8/D16/D32 bus widths and a VMEbus system controller). Configuration: • 25 MHz MC68040 Microprocessor with Floating-Point Coprocessor • 4 MB DRAM • 128 KB SRAM • (2) IndustryPack Ports • (1) BIOS Chips • Ethernet Transceiver Interface • SCSI Bus Interface with 32-Bit Local Bus Burst DMA
Features • Choice of processors: • 25 MHz or 32 MHz MC68040 enhanced 32-bitmicroprocessor with 8KB of cache, and MMUand FPU • 25 MHz MC68LC040 enhanced 32-bitmicroprocessor with 8KB of cache and MMU • Optional VMEchip2 A32/D64 VMEbusmaster/slave interface with system controllerfunction • High-performance DMA, supports VMEbus D64and local bus memory burst cycles • 4, 8, 16, or 32MB of shared DRAM, parity orerror checking and correction (ECC); expandableto 64MB via expansion mezzanines • 128KB of SRAM with battery backup • Flash memory for on-board monitor/debugger foruser-specified requirements (1MB on MVME162-2xx/3xx models, 2MB on 7xx/8xx models) • 8K x 8 NVRAM and time-of-day clock withbattery backup • Four serial communication ports, configured asEIA-232-D DTE • Two IndustryPack ports • Six 32-bit timers (four without VMEbus) andwatchdog timer • Optional SCSI bus interface with 32-bit local busburst DMA • Optional Ethernet transceiver interface with 32-bitlocal bus DMA • Four 32-pin JEDEC sockets for EPROM and Flash(models MVME162-2xx/3xx only; 7xx/8xxmodels* have only two JEDEC sockets) • Four-level requester, seven-level interrupter, andseven-level interrupt handler for VMEbus • Remote Reset/Abort/Status control functions • On-board debugger and diagnostic firmware
IndustryPack Interface A key feature of the MVME162 is the IndustryPackinterface. IndustryPack modules provide a wide variety ofconnectivity to “real-world” I/O. Expansion isaccomplished by means of a mezzanine board mounted tothe MVME162. Up to two single-wide IndustryPackmodules can be installed on the MVME162LX and stilloccupy only one VME slot. VMEbus Interface VMEbus interface functionality is provided by theMotorola-designed VMEchip2 ASIC. In addition tocontrolling the system’s VMEbus functions, theVMEchip2 includes a local bus to/from VMEbus DMAcontroller, VME board support features, as well as globalcontrol and status register (GCSR) for interprocessorcommunications. The MVME162LX also providessupport for the VME D64 specification within theVMEbus interface, further enhancing system performance.For deeply embedded applications, versions of theMVME162LX are available without the VMEbusinterface. These versions have power and groundconnections through the P1 VMEbus connector.
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