Motorola MVME162 Embedded Controller User Manual

Functions

MVME162 features include:

-32 MHz MC68040 enhanced 32-bit microprocessor with 8KB cache, MMU and FPU

-Optional 25 MHz MC68040 32-bit microprocessor with 8KB cache, MMU and FPU

-Optional 25 MHz MC68LC040 Enhanced 32-bit Microprocessor with 8KB Cache and MMU

-A32/D64 VMEbus master/slave interface with system controller functionality

-High performance DMA support for VMEbus D64 and local bus memory burst cycles

-4. 8 or 16MB of shared DRAM

-512KB SRAM with battery backup

1MB of flash memory for on-board monitor/debugger or user-installed firmware

-8K x 8 NVRAM and clock with battery backup

-Two serial communication ports, console port as EIA-232-D DTE, second port user configurable for EIA-232-D/EIA-422 (V.36) DTE/DCE

Four 16- or 32-bit IndustryPack® ports, one DMA channel per port

Six 32-bit timers (four without VMEbus) and watchdog timer

-Optional SCSI bus interface with 32-bit local bus burst DMA

-Optional Ethernet transceiver interface with 32-bit local bus DMA

-One 32-pin PLCC EPROM socket

-Four-stage requester, seven-stage interruptor and seven-stage interrupt handler for VMEbus

-Remote RESET/ABORT/STATUS control functions

-On-board debugger and diagnostic firmware

Microprocessor Options

The MVME162 provides scalability by allowing many types of MPU options. Features such as clock speed and floating point capability can be specified by the user.

VMEbus-Interface

The VMEbus-Interface ASIC includes a local bus to and from the VMEbus-DMA controller,

VME board support functions, and global control and status registers (GCSRs) for microprocessor communication.

The device also supports the VME D64 specification, further improving system performance.

IndustriPack Interface

A key feature of the MVME162 is the IndustriPack logical interface. This interface provides a 32-bit data path for IndustriPack modules that

The IndustriPack module provides a variety of connections to ‘real world’ applications, such as I/O, control, interfaces, and other functions.

The IndustriPack modules provide a variety of connections to ‘real-world’ applications such as I/O, control, interface, analogue and digital functions.

The MVME162 can be fitted with up to four single-width or two double-width IndustriPack modules, but still occupies only one VME slot. As I/O requirements change, new IndustriPack modules can be installed, saving the customer's overall investment.

Memory Expansion

The MVME162 is supplied with 4MB of on-board DRAM, these versions can be expanded to 16MB using customer installable memory modules.

Conversion Modules

Optional MVME712 series conversion modules are available to support the MVME162 series using standard I/O connections.

These modules connect the I/O connections of MVME162 Series on-board peripherals from the module's P2 connection to a conversion module with industry-standard connections.

Cooling Requirements

The Motorola MVME162 embedded controller is specified, designed, and

tested to operate at 0° to

55°C (32° to 131°F), forced-air cooling rates can typically be achieved

through the use of a 100 CFM axial fan. Temperature qualification is performed on the

standard Motorola VME System 3000 chassis. Twenty-five watt load boards

were inserted into two plug-in slots, one on each side, adjacent to the board below

tested to simulate a high power density system configuration. The collection of

three axial fans, each rated at 100 CFM, placed directly under the VME

card mounting bracket. Intake air temperature was measured between the fan

assembly and the card cage, where the incoming airflow was first encountered by the

controller during testing. When the controller is subjected to

ambient temperature changes. Critical, high-power case temperatures

density ICs are monitored to ensure that component suppliers do not exceed specifications.

While the exact air flow required for cooling depends on the

ambient air temperature and the type, number, and location of boards and

other heat sources, adequate cooling can usually be achieved with 10 CFM

and 490 LFM flowing through the controller. Less airflow is required to cool the

controller in environments with lower maximum ambient. Lower than more

favourable thermal conditions to operate the controller

Reliable operation above 55°C with increased airflow.

It is important to note that in addition to the blower's rated CFM, several factors

Determine the actual volume and velocity of air flowing through the controller.