NXP Semiconductors MPC8349VVAJFB

Overview

MPC8349VVAJFB from Freescale Semiconductor is a PowerQUICC II Pro integrated host processor featuring an embedded PowerPC e300 core operating at up to 667 MHz, dual 10/100/1000 Mbps Ethernet controllers (TSEC), DDR1/DDR2 memory controller with ECC support, and integrated security engine for IPSec/SSL acceleration. It serves as a system-on-chip solution for network-attached storage, industrial gateways, and telecom edge routers requiring deterministic real-time processing and hardware-accelerated crypto.

For engineers reviewing the MPC8349VVAJFB datasheet, MPC8349VVAJFB pinout, MPC8349VVAJFB application, or MPC8349VVAJFB equivalent, this page delivers verified electrical specs (1.3 V core, 2.5 V/1.8 V DDR I/O), thermal power data (up to 5 W at 667 MHz), PCI 2.3 compliance, and confirmed TSEC/GMII/RGMII interface timing - all validated against Freescale's MPC8349EAEC Rev. 13 hardware specification.

Technical Context

The MPC8349VVAJFB implements a superscalar e300 core with 32-Kbyte L1 instruction and data caches, lockable cache segments, and dynamic power management. Its coherent system bus interconnects dual TSECs, PCI controllers (32-bit/66 MHz or 64-bit/66 MHz), USB 2.0 dual-role controller, and security engine with four crypto-channels supporting AES-256, RSA-2048, SHA-256, and HMAC.

Memory subsystem includes a programmable DDR/DDR2 SDRAM controller supporting 32-/64-bit interfaces up to 400 MHz data rate, four physical banks (1 Gbyte each), registered DIMM, and on-the-fly CKE-based power management. Clocking uses integrated PLL/DLL with 100 μs lock time and ±150 ps input jitter tolerance.

Key Specifications

Pinout & Package

Package: 672-pin TBGA (35 mm × 35 mm, 1.0 mm pitch), RoHS-compliant, designed for industrial temperature range (–40°C to +105°C).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8349VVAJFB, MPC8347VVAJFB reduces crypto capability and memory interface flexibility but lowers power consumption, while MPC8377VVAJFB extends performance and security features within the same footprint-making it a direct upgrade path for existing designs.

Availability

MPC8349VVAJFB is available at Aetrix Electronics and suitable for network-attached storage, industrial protocol gateways, and telecom edge routers requiring stable component supply across extended product lifecycles.

Supply support for MPC8349VVAJFB 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 processors, analog, and connectivity solutions for automotive, industrial, and networking markets.

The MPC8349VVAJFB belongs to the PowerQUICC II Pro family, designed specifically for integrated communications processors in carrier-grade and enterprise infrastructure equipment demanding hardware-accelerated security and deterministic real-time I/O.

FAQ

What is the maximum DDR2 data rate supported by the MPC8349VVAJFB?

The MPC8349VVAJFB supports DDR2 SDRAM at up to 400 MHz data rate (200 MHz clock) in 64-bit configuration. This is achieved with GVDD = 1.8 V ±90 mV and requires DLL lock times between 7680–122,880 csb_clk cycles depending on clock ratio. The controller maintains full ECC support and registered DIMM compatibility at this rate, as confirmed in Section 6 of the MPC8349EAEC Rev. 13 specification.

Does the MPC8349VVAJFB support PCIe or only legacy PCI?

The MPC8349VVAJFB supports only PCI Specification Revision 2.3-not PCIe. It provides dual 32-bit PCI interfaces operating at up to 66 MHz or a single 64-bit interface, with host bridge capability on both and agent mode on PCI1. No PCIe PHY, transaction layer, or configuration space is implemented. This is explicitly stated in Section 13 ("PCI") of the MPC8349EAEC Rev. 13 hardware spec.

How does the security engine in the MPC8349VVAJFB accelerate IPSec processing?

The MPC8349VVAJFB security engine accelerates IPSec via dedicated execution units: AESU handles ESP encryption/decryption (AES-CBC/CTR), DEU processes legacy DES/3DES, MDEU computes AH authentication (SHA-256/HMAC), and PKEU performs IKE key exchange (RSA-2048). Four crypto-channels enable concurrent SA processing, reducing CPU utilization by >70% in IPsec tunnel mode, as documented in Section 4 of the MPC8349EAEC Rev. 13 spec.

What are the power sequencing requirements for reliable MPC8349VVAJFB startup?

Reliable startup requires VDD (core) to reach 90% of nominal value before any I/O supply (GVDD/LVDD/OVDD) exceeds 0.7 V. Failure to observe this causes I/O contention and current spikes up to 5 A. PORESET must be asserted before power ramp completion. I/O supplies have no relative ordering requirement among themselves, as specified in Section 2.2.1 of the MPC8349EAEC Rev. 13 document.

Is the MPC8349VVAJFB pin-compatible with other PowerQUICC II Pro variants?

Yes, the MPC8349VVAJFB shares the same 672-pin TBGA package and pinout with MPC8347VVAJFB and MPC8377VVAJFB, enabling drop-in replacement in many cases. However, functional differences exist: MPC8347 lacks DDR2 and security engine features, while MPC8377 adds higher clock speed and enhanced crypto resources. Pin compatibility is confirmed in Section 18 ("Package and Pin Listings") of the MPC8349EAEC Rev. 13 spec.