MPC823VR81B2T

Overview

The MPC823VR81B2T is a mobile computing microprocessor featuring an embedded PowerPC core and a communication processor module. It operates at 75 MHz with 99 MIPS performance, utilizing a 2K instruction cache and 1K data cache. The device integrates seven serial channels including USB, I2C, SPI, and two SCCs, alongside a video/LCD controller and PCMCIA interface. Packaged in a 256-pin BGA, it supports low-power modes and 3.3V operation.

Feature Summary

• Dual-processor architecture combining a general-purpose RISC integer processor with a specialized scalar RISC communication processor for parallel execution of imaging and communication tasks.
• Integrated communication processor module providing hardware multiply-accumulate capabilities and twelve serial DMA channels to offload peripheral management from the main core.
• Comprehensive connectivity suite including a dedicated high-speed USB channel, multiple serial controllers, and a versatile LCD/video controller supporting various display formats.

Applications

• Low-power portable electronic products
• Image capture devices
• Personal communication systems

Procurement Notes

Verify component authenticity through authorized NXP distributors or certified suppliers. Confirm package integrity and pin alignment prior to assembly. Review the official datasheet for specific handling requirements and soldering profiles to ensure reliable integration into target designs.

Selection Notes

Select this component for applications requiring efficient power management alongside robust communication processing. The dual-core design allows simultaneous operation of the PowerPC core and communication module, optimizing system throughput while minimizing energy consumption in portable environments.

Part Context

This microprocessor belongs to the Motorola/Freescale embedded PowerPC family, designed for mobile computing. It combines standard PowerPC architecture with specialized peripherals for imaging and serial communications, targeting the portable electronics market with high integration and low power characteristics.

Replacement Considerations

Consult official documentation for compatible substitutes. Verify functional equivalence regarding pinout, voltage levels, and software compatibility before transitioning to alternative part numbers within the same product family.

FAQ

How does the communication processor module enhance system efficiency?

It handles peripheral tasks like imaging and communication via its own RISC core and DMA channels, freeing the main PowerPC core for complex processing.

What memory interfaces are supported by the MPC823?

It supports glueless interfaces to DRAM, SRAM, EPROM, Flash EPROM, and SDRAM with up to eight programmable memory banks.