NXP Semiconductors MPC8313VRAFFB

Overview

MPC8313VRAFFB from Freescale Semiconductor is a PowerQUICC II Pro communications processor featuring the e300c3 Power Architecture core running at up to 333 MHz, dual three-speed (10/100/1000 Mbps) Ethernet controllers with RGMII/SGMII/MII support, DDR1/DDR2 memory controller (16-/32-bit, up to 333 MHz), integrated USB 2.0 dual-role controller with on-chip PHY, and 32-bit PCI interface operating at up to 66 MHz - deployed in industrial controllers, network access servers, and intelligent NICs.

For engineers reviewing the MPC8313VRAFFB datasheet, MPC8313VRAFFB pinout, MPC8313VRAFFB application, or MPC8313VRAFFB equivalent, key selection considerations include eTSEC offload capability for TCP/IP checksum and VLAN processing, DDR2 1.8 V I/O compatibility, PCI 3.3-V compliance, USB OTG support via ULPI or on-chip PHY, and security acceleration readiness (though SEC 2.2 is excluded in MPC8313 vs MPC8313E).

Technical Context

The MPC8313VRAFFB implements a superscalar e300c3 core with 16 KB instruction and 16 KB data caches, FPU, and two integer units, coupled to a high-bandwidth crossbar interconnect. Its dual eTSECs integrate IEEE 802.3-compliant MACs with hardware-accelerated TCP/IP header checksum, VLAN tagging, and jumbo frame (9.6 KB) support, while the DDR1/DDR2 controller supports 16-/32-bit buses, two chip selects, and auto-refresh at 333 MHz.

Unlike the MPC8313E, the MPC8313VRAFFB omits the SEC 2.2 security engine but retains full USB 2.0 dual-role functionality (host/device/OTG), programmable interrupt controller supporting 5 external + 34 internal sources, and power management features including D3 warm state (425 mW max) and wake-on-Magic Packet™, GPIO, or USB events.

Key Specifications

Pinout & Package

Package: 620-pin PBGA (35 mm × 35 mm, 1.0 mm pitch), RoHS-compliant, thermal lid-equipped - suitable for convection-cooled industrial PCBs with standard BGA reflow profiles.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar communications processor applications.

Compared with MPC8313EVRAGFB, MPC8313VRAFFB removes security acceleration but maintains identical I/O performance and footprint; versus MPC8315EVRAGFB, it trades SATA bandwidth and CPU frequency for lower cost and power - making it ideal for entry-level managed switches and embedded firewalls where crypto is handled externally.

Availability

MPC8313VRAFFB is available at Aetrix Electronics and suitable for industrial controllers, network access servers, and intelligent NICs requiring stable component supply across extended product lifecycles and temperature ranges (–40°C to +105°C junction).

Supply support for MPC8313VRAFFB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Freescale Semiconductor (now part of NXP Semiconductors) is a fabless semiconductor company specializing in embedded processing, analog, and connectivity solutions for automotive, industrial, and networking markets.

The MPC8313VRAFFB belongs to the PowerQUICC II Pro family, designed specifically for cost-sensitive, low-power communications infrastructure requiring integrated Ethernet, memory, and I/O without dedicated security acceleration - targeting printing systems, WLAN base stations, and industrial gateways.

FAQ

Does MPC8313VRAFFB include a security engine like the MPC8313E?

No, MPC8313VRAFFB does not include the SEC 2.2 security engine. The datasheet explicitly states "The MPC8313 does not include a security engine" (Section 1.3). Cryptographic operations must be performed in software or offloaded to an external accelerator. This distinguishes MPC8313VRAFFB from MPC8313EVRAGFB, which integrates DES/3DES/AES/SHA-1 acceleration. MPC8313VRAFFB retains all other peripherals including dual eTSECs, DDR2 controller, and USB 2.0 dual-role support.

What DDR2 memory configurations are supported by MPC8313VRAFFB?

MPC8313VRAFFB supports DDR2 SDRAM with GVDD = 1.8 V ± 80 mV, up to 333 MHz (667 MT/s), in 16- or 32-bit bus widths. It accommodates devices from 64 Mbit to 4 Gbit density with x8/x16/x32 data ports, two independent chip selects, and up to 16 simultaneous open pages. The controller supports auto-refresh, on-the-fly CKE power management, and 1.8-V SSTL2-compatible I/O - verified in Table 2 and Section 1.4 of the MPC8313EEC Rev. 4 datasheet.

Is MPC8313VRAFFB pin-compatible with MPC8313EVRAGFB?

Yes, MPC8313VRAFFB is pin-compatible with MPC8313EVRAGFB. Both use the identical 620-pin PBGA package (35 mm × 35 mm, 1.0 mm pitch) and share identical pin assignments for all I/Os, power, and clocks as documented in Section 19 "Package and Pin Listings" of the MPC8313EEC datasheet. The only functional difference is the absence of SEC 2.2 logic in MPC8313VRAFFB - no PCB layout changes are required for substitution.

What USB modes does MPC8313VRAFFB support and what PHY options are available?

MPC8313VRAFFB supports USB 2.0 dual-role operation (host/device/OTG) at high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps, host-only). It provides both an on-chip full-speed/high-speed PHY and ULPI interface for external PHYs. The ULPI option enables compact board designs with minimal external components, while the on-chip PHY reduces BOM count for cost-sensitive applications - per Section 1.6 of the MPC8313EEC Rev. 4 datasheet.

What is the maximum operating junction temperature for MPC8313VRAFFB and how is thermal management addressed?

The maximum operating junction temperature for MPC8313VRAFFB is 105°C, as specified in Table 2 "Recommended Operating Conditions". Thermal management relies on the integrated thermal lid in the 620-pin PBGA package, requiring a minimum 4-layer PCB with dedicated thermal vias under the package and a copper pour connected to ground or dedicated thermal plane. Section 21 "Thermal" recommends a θJA of ≤25°C/W for convection cooling - achievable with 2 oz copper and ≥6 thermal vias in the thermal pad area.