MPC857DSLVR50B

The MPC857DSLVR50B is a single-core, 32-bit microprocessor based on the MPC8xx PowerPC architecture, running at 50 MHz. Designed for embedded controller and communications applications, it combines processor core features, on-chip peripherals and network interfaces to support compact, integrated system designs.

Its architecture and peripheral set make it suitable for networking and controller use cases where integrated Ethernet, DRAM support and communications processing are required, while maintaining RoHS compliance and consumer-grade qualification.

Key Features

• Core  Embedded single-issue 32-bit MPC8xx core with thirty-two 32-bit general-purpose registers and branch prediction with conditional prefetch.
• Cache and MMU  4 KB instruction cache and 4 KB data cache (set-associative); cache coherency maintained on 128-bit (4-word) cache blocks. MMUs include a 32-entry TLB with fully associative instruction and data TLBs.
• Communications Coprocessor (CPM)  On-chip communications processing support for handling serial and protocol offload tasks.
• Memory Controller  Integrated DRAM controller for system memory interfacing.
• Ethernet Interfaces  Dual Ethernet capability: one 10 Mbps interface and one 10/100 Mbps interface for networking and connectivity tasks.
• Peripheral Interfaces  I²C interface plus a range of communications peripherals provided by the CPM.
• Power and I/O  3.3 V I/O voltage to match common embedded system power domains.
• Package and Mounting  357-pin PBGA (25 × 25 mm) in a surface-mount package for high-density board designs.
• Operating Range  Rated for operation from 0°C to 105°C, suitable for consumer-grade embedded environments.
• Compliance  RoHS compliant and listed with consumer qualification.

Typical Applications

• Network Controllers  Use the dual Ethernet interfaces and communications coprocessor to implement packet processing, routing assistance or gateway functions.
• Embedded Communications Systems  Ideal for compact communications appliances that require integrated DRAM support and CPM-based serial/protocol handling.
• Industrial and Consumer Controllers  Single-core processing with on-chip peripherals supports control logic, I²C sensor interfacing and system supervision in embedded devices.

Unique Advantages

• Integrated Communications Processing: On-chip CPM reduces external peripheral requirements for serial and protocol tasks, simplifying system design.
• Balanced Memory Subsystem: Built-in DRAM controller plus cache and MMU features provide efficient program and data handling for embedded workloads.
• Dual Ethernet Connectivity: One 10 Mbps and one 10/100 Mbps interface enable flexible network topologies and mixed-speed deployments.
• Compact, Surface-Mount PBGA Package: 357-pin 25 × 25 mm PBGA supports high-density PCB layouts while delivering the necessary I/O count.
• Documented Family Architecture: Part of the MPC862/857T/857DSL PowerQUICC family with technical documentation covering electrical characteristics, thermal design and peripheral behavior to aid development.

Why Choose MPC857DSLVR50B?

The MPC857DSLVR50B offers a compact, single-chip solution for embedded networking and controller applications that need integrated communications resources, DRAM support and dual Ethernet connectivity. Its MPC8xx core, combined with cache and MMU features, provides predictable 32-bit processing for control and protocol tasks while keeping board-level integration straightforward.

This device is well suited for design teams targeting consumer-grade embedded systems requiring a documented processor family and RoHS compliance, delivering a balance of integration and proven PowerPC-based architecture for reliable product implementation.

Request a quote or submit an inquiry to receive pricing and availability details for the MPC857DSLVR50B and to discuss how it fits your next embedded design.