NXP Semiconductors MPC8313VRAFF

Overview

MPC8313VRAFF from NXP Semiconductors (formerly Freescale) is a PowerQUICC II Pro communications processor featuring an e300c3 Power Architecture core operating at 333 MHz, dual three-speed 10/100/1000 Mbps Ethernet controllers with RGMII/SGMII/MII support, DDR1/DDR2 memory controller (up to 333 MHz), integrated USB 2.0 dual-role controller with on-chip PHY, and 32-bit PCI interface - deployed as main CPU or I/O processor in industrial controllers, network access servers, and intelligent NICs.

For engineers reviewing the MPC8313VRAFF datasheet, MPC8313VRAFF pinout, MPC8313VRAFF application, or MPC8313VRAFF equivalent, key selection considerations include its 333 MHz e300c3 core performance, dual eTSEC timing and packet acceleration capabilities, DDR1/DDR2 voltage-flexible memory interface (1.8 V / 2.5 V), PCI 2.3 compliance at 66 MHz, and USB 2.0 host/device/OTG operation via ULPI or internal PHY.

Technical Context

The MPC8313VRAFF implements a superscalar e300c3 core with 16 KB instruction and 16 KB data caches, FPU, and two integer units, coupled with a high-bandwidth crossbar interconnect linking peripherals including dual eTSECs, DDR/DDR2 controller, PCI, USB 2.0, and security-accelerated I/O. Its clocking architecture uses multiple PLLs - APLL for core, SPLL for SerDes, and USB PLL - each with independent power domains and lock times ≤100 µs.

It supports full hardware TCP/IP offload (IPv4/IPv6 header recognition, checksum generation/verification), IEEE 1588 timestamping, VLAN/MPLS/PPPoE header parsing, and eight transmit/receive physical queues per eTSEC. The DDR controller supports 16-/32-bit bus widths, up to two banks, auto-refresh, and CKE-based power management - compatible with both DDR1 (2.5 V) and DDR2 (1.8 V) SDRAM devices.

Key Specifications

Pinout & Package

Package: PBGA-620 (35 mm × 35 mm, 1.0 mm pitch, RoHS-compliant).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8315EVRAGD and MPC8377ERVAA, the MPC8313VRAFF offers the lowest BOM cost and power envelope (typical 820 mW core + I/O) while retaining full dual-Gigabit Ethernet, DDR2, PCI, and USB functionality - making it ideal for price-sensitive, thermally constrained embedded networking roles where security acceleration or PCIe is unnecessary.

Availability

MPC8313VRAFF is available at Aetrix Electronics and suitable for industrial controllers, network access servers, and intelligent NICs requiring stable component supply across extended product lifecycles.

Supply support for MPC8313VRAFF 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

NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT applications.

The MPC8313VRAFF belongs to the PowerQUICC II Pro family - designed specifically for cost-effective, low-power communications processing in printing, imaging, and industrial networking equipment where integration, thermal efficiency, and long-term availability are critical.

FAQ

What is the maximum DDR2 data rate supported by the MPC8313VRAFF?

The MPC8313VRAFF DDR2 interface supports up to 333 MHz clock frequency, enabling 666 MT/s effective data rate on a 32-bit bus. This matches JEDEC DDR2-667 specifications and is validated for 1.8 V operation with 8 pF load capacitance and 22 Ω series termination - confirmed in Section 1.4 and Table 5 of the MPC8313EEC Rev. 4 datasheet. The MPC8313VRAFF achieves this using programmable read/write leveling and on-the-fly CKE-based power management.

Does the MPC8313VRAFF include a hardware security engine?

No, the MPC8313VRAFF does not include a security engine. As explicitly stated in the block diagram footnote ("Note: The MPC8313 does not include a security engine") and confirmed in Section 1.3 of the MPC8313EEC Rev. 4 datasheet, only the MPC8315E and higher variants integrate SEC 2.2. The MPC8313VRAFF relies on software-based cryptography or external accelerators for DES, AES, SHA-1, or MD-5 operations.

What are the required power sequencing constraints for the MPC8313VRAFF?

The MPC8313VRAFF requires core voltage (VDD = 1.0 V) to reach ≥90% of nominal value before any I/O supply (GVDD, NVDD, LVDDA) exceeds 0.7 V, and PORESET must remain asserted until ≥32 SYS_CLK_IN or PCI_SYNC_IN cycles after both supplies stabilize - per Figure 3 and Section 2.2 of the MPC8313EEC Rev. 4 datasheet. Violating this risks bus contention and excessive current draw during power ramp-up.

Can the MPC8313VRAFF operate in PCI agent mode with a 66 MHz PCI clock?

Yes, the MPC8313VRAFF supports PCI agent mode at 66 MHz, as specified in Section 1.5 and Table 8 of the MPC8313EEC Rev. 4 datasheet. It complies with PCI Specification Revision 2.3, supports 3.3 V signaling only, and includes on-chip arbitration for up to three external masters. The MPC8313VRAFF also supports PME detection in agent mode and wake-up from PCI events.

What Ethernet PHY interfaces are supported by the MPC8313VRAFF eTSECs?

The MPC8313VRAFF dual eTSECs support RGMII, SGMII, MII, RMII, and RTBI physical layer interfaces - as documented in Section 1.7 of the MPC8313EEC Rev. 4 datasheet. Each eTSEC can be independently configured: one may use RGMII for Gigabit copper links while the other uses SGMII for fiber or backplane connections, with full IEEE 802.3 compliance and Wake-on-Magic Packet™ support.