Motorola PRPMC800A/IH5 manual Table B-1. Thermally Significant Components, Thermal Validation

Models: PRPMC800A/IH5 PrPMC800/800ET Processor PMC Module

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B Thermal Validation

The preferred measurement location for a component may be junction, case, or air as specified in the table. Junction temperature refers to the temperature measured by an on-chip thermal device. Case temperature refers to the temperature at the top, center surface of the component. Air temperature refers to the ambient temperature near the component.

Table B-1. Thermally Significant Components

Component

General Description

Maximum

Measuremen

Location

 

Allowable

t Location

 

 

Temperature

(Junction,

 

 

(Degrees C)

Case or Air)

 

 

 

 

U2

MPC750, 450MHz

104

Case

 

MPC7410, 450MHz

104

Case

 

MPC7410 (N), 400MHz

104

Case

 

 

 

 

U5

Harrier ASIC

104

Case

 

 

 

 

U6, U15

Cache SRAM

145

Case

 

 

 

 

U7-U10, U20-U24

SDRAM

85

Ambient

 

 

 

 

U1

Clock Chip

85

Ambient

 

 

 

 

U25, U26

Flash

85

Ambient

 

 

 

 

U4

Ethernet

85

Case

 

 

 

 

U3

RS232 Transceiver

85

Ambient

 

 

 

 

U14

Programmable Logic Device (PLD)

125

Case

 

 

 

 

U16, U17, U19

SROM

85

Ambient

 

 

 

 

Q2

2.5V Power Supply

130

Case

 

 

 

 

Q1

V_PCORE Power Supply

130

Case

 

 

 

 

60PrPMC800/800ET Processor PMC Module Installation and Use (PrPMC800A/IH5)

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Motorola PRPMC800A/IH5 manual Table B-1. Thermally Significant Components, Thermal Validation

PRPMC800A/IH5, PrPMC800/800ET Processor PMC Module specifications

The Motorola PrPMC800/800ET Processor PMC Module, specifically the PRPMC800A/IH5 variant, represents a significant advancement in embedded processing technology. Often utilized in telecommunications, aerospace, and defense applications, this PMC module is designed to provide robust performance in demanding environments, making it suitable for high-speed data processing and communication tasks.

At the core of the PrPMC800 module is the PowerPC 750 architecture, known for its efficiency and power management capabilities. This 32-bit RISC processor is clocked at speeds reaching up to 800 MHz, allowing it to handle complex computations and multitasking scenarios effectively. The processor architecture supports a variety of software environments, including real-time operating systems and VxWorks, which enhances its adaptability across diverse applications.

One of the standout features of the PRPMC800A/IH5 module is its memory capacity. The module supports up to 1 GB of SDRAM, offering ample space for processing large datasets and executing multiple applications simultaneously. Furthermore, the integrated PCI bus facilitates high-speed connectivity with other modules and components in the system, ensuring rapid data transfer rates essential for real-time processing tasks.

An important characteristic of the PrPMC800 module is its thermal and environmental resilience. Designed with military-grade standards, it operates reliably in extreme conditions, including high temperatures and vibrations. This makes it particularly suitable for rugged applications where standard commercial-grade processors may fail.

The module also incorporates advanced I/O capabilities, featuring dual Gigabit Ethernet ports which enhance networking performance. Additional serial ports and interrupt handling further improve the module's versatility, allowing it to interface seamlessly with various peripheral devices and systems.

In summary, the Motorola PrPMC800/800ET Processor PMC Module, represented by the PRPMC800A/IH5 model, is an exemplary solution for applications requiring high performance, reliability, and adaptability. With its powerful PowerPC architecture, generous memory capacity, robust I/O capabilities, and proven ruggedness, this processor module stands out as a preferred choice for engineers and developers working in critical industries.