The MVME172PA-644SE allows VME embedded controller users to achieve the price-performance value of RISC architectures while maintaining MC68000 object code compatibility. By combining the MC68060 superscalar performance with a wide range of optional features and the IndustryPack interface, OEMs can select the exact product for their application rather than paying for unwanted features.
The inclusion of the new “Petra” application-specific integrated circuit (ASIC), which replaces functions formerly implemented in the IP2 chip, MC2 chip, and MCECC chip, improves the performance of the memory subsystem. Memory configuration switches enable the customer to tailor memory size for applications requiring smaller memory configurations.
The MVME172PA-644SE allows VME embedded controller users to achieve the price-performance value of RISC architectures while maintaining MC68000 object code compatibility. By combining the MC68060 superscalar performance with a wide range of optional features and the IndustryPack interface, OEMs can select the exact product for their application rather than paying for unwanted features.
The inclusion of the new “Petra” application-specific integrated circuit (ASIC), which replaces functions formerly implemented in the IP2 chip, MC2 chip, and MCECC chip, improves the performance of the memory subsystem. Memory configuration switches enable the customer to tailor memory size for applications requiring smaller memory configurations.
Core Hardware Specifications
Choice of processors: 60 MHz MC68060 enhanced 32-bit microprocessor with 16KB of cache, and MMU and FPU; or 64 MHz MC68LC060 enhanced 32-bit microprocessor with 16KB of cache and MMU
VMEbus Interface: A32/D64 VMEbus master/slave interface with system controller function
Memory:
16MB of configurable SDRAM
512KB of SRAM with battery backup
2MB Flash memory for on-board monitor/debugger or user-installed firmware
8K x 8 NVRAM and time-of-day clock with battery backup
One 32-pin JEDEC socket for EPROM
Serial Communication: Two serial communication ports, console port as EIA-232-D DCE and second port user configurable for EIA-232-D/EIA-422 (V.36) DTE/DCE
IndustryPack® Ports: Four 16- or two 32-bit IndustryPack® ports with one DMA channel per port
Timers: Six 32-bit timers, one watchdog timer
Optional Interfaces: SCSI and Ethernet interfaces
Special Function: Four-slot IndustryPack logic interface for embedded monitoring and control applications
Key Component Details
1. Microprocessor Options
The MVME172PA-644SE features the superscalar MC68060 microprocessor which achieves superb integer and floating point performance from its RISC hybrid architecture. The object code compatibility of the MC68060 with earlier generations allows a significant performance increase while preserving software investment. For cost-sensitive applications where floating point performance is not required, the optional MC68LC060 can be ordered.
2. VMEbus Interface
VMEbus interface functionality is provided by the VMEchip2 ASIC designed by Motorola. In addition to controlling the system’s VMEbus functions, the VMEchip2 includes a local bus to/from VMEbus DMA controller, VME board support features, as well as global control and status register (GCSR) for interprocessor communications. The MVME172P4 also provides support for the VME D64 specification within the VMEbus interface, further enhancing system performance.
3. Transition Module
An optional MVME712M transition module is available to support the use of standard I/O connections for the MVME172P4 series. This module takes the I/O connections for the peripherals on board the MVME172P4 series from the P2 connection of the module to a transition module that has industry-standard connections.
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