MPC857TVR66B

Microprocessors Overview

The MPC857TVR66B is a microprocessor IC belonging to the MPC8xx series, manufactured by Freescale Semiconductor. It features a single 32-bit PowerPC core operating at a clock speed of 66MHz. The device is housed in a 357-pin Plastic Ball Grid Array (PBGA) package with dimensions of 25x25 mm. It supports an I/O voltage of 3.3V and includes integrated DRAM controllers. Key peripheral interfaces include HDLC/SDLC, I2C, IrDA, PCMCIA, SPI, TDM, and UART/USART. The component is designed for surface mount installation and operates within a temperature range of -40°C to 115°C.

Microprocessors Feature Summary

• Integrates a high-performance 32-bit PowerPC processor core optimized for embedded applications.
• Includes a Communications Processor Module (CPM) dedicated to handling serial communication protocols.
• Supports multiple standard interface protocols including Ethernet, SPI, and I2C for versatile connectivity.

Microprocessors Applications

• Network infrastructure equipment
• Industrial control systems
• Telecommunications gateways

Microprocessors Procurement Notes

Verify the manufacturer designation carefully, as the brand was acquired by NXP Semiconductors. Confirm the specific suffix 'VR' corresponds to the required commercial or industrial temperature grade and package variant. Ensure compatibility with existing board layouts regarding the 357-BBGA footprint and 3.3V I/O levels before procurement.

Microprocessors Selection Notes

Select this component when a robust 32-bit RISC architecture with integrated communications processing is required. It is suitable for designs needing reliable serial protocol handling via the CPM without external controllers. Consider the 66MHz performance level against application latency requirements and verify that the PBGA package fits the thermal and mechanical constraints of the target enclosure.

Microprocessors Part Context

This part belongs to the MPC8xx family, which established a baseline for embedded networking processors. It utilizes the classic PowerPC architecture known for deterministic performance. The MPC857 variant specifically targets cost-sensitive applications requiring essential networking features without the complexity of higher-end multi-core processors found in later generations.

Microprocessors Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify cross-compatibility with newer MPC85xx series devices if upgrading, noting architectural differences between MPC8xx and e500 cores.