NXP Semiconductors MPC8349ECVVAGDB

Overview

MPC8349ECVVAGDB 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 (TSECs), DDR1/DDR2 SDRAM memory controller with ECC support, and integrated security engine supporting AES, DES, SHA, RSA, and RNG. It targets network-attached storage, enterprise routing, and industrial gateway applications requiring high-throughput packet processing and cryptographic acceleration.

For engineers reviewing the MPC8349ECVVAGDB datasheet, MPC8349ECVVAGDB pinout, MPC8349ECVVAGDB application, or MPC8349ECVVAGDB equivalent, this page delivers verified electrical specs (1.3 V core, 2.5 V/1.8 V DDR I/O, 3.3 V PCI/LB), confirmed interface bandwidths (64-bit DDR2 @ 400 MHz, dual PCI @ 66 MHz), validated security engine capabilities (four crypto-channels, AES-256, SHA-256), and real-world use context for embedded networking SoC selection.

Technical Context

The MPC8349ECVVAGDB implements a superscalar e300 core with 32-Kbyte L1 instruction and data caches, dynamic power management, and software compatibility across Power Architecture families. Its coherent system bus interconnects dual TSECs, PCI controllers, DDR/DDR2 memory controller, and security engine - all synchronized to a programmable PLL-derived clock tree.

It supports simultaneous DDR1 (2.5 V SSTL2) and DDR2 (1.8 V SSTL2) interfaces with 32-/64-bit data width, up to 4 Gbyte addressable memory, and on-the-fly ECC correction. The security engine executes IPSec/SSL offload via dedicated AESU, DEU, MDEU, PKEU, and AFEU units across four independent crypto-channels with 256-byte buffer per unit.

Key Specifications

Pinout & Package

Package: 672-pin Thin Ball Grid Array (TBGA), 35 mm × 35 mm, 1.0 mm ball pitch, RoHS-compliant, lead-free finish.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8349ECVVAGDB, MPC8347ECVVAGDB trades dual-TSEC capability and peak frequency for lower cost and power, while MPC8377ECVVAGDB extends performance and I/O with SATA and higher crypto throughput - both share identical pinout and software compatibility, simplifying migration paths within the PowerQUICC II Pro family.

Availability

MPC8349ECVVAGDB is available at Aetrix Electronics and suitable for network-attached storage, enterprise branch routing, and industrial IoT gateway applications requiring stable component supply, long-term lifecycle support, and traceable sourcing for production programs.

Supply support for MPC8349ECVVAGDB 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) designed high-performance Power Architecture-based processors for networking, automotive, and industrial markets before its 2015 acquisition.

The MPC8349ECVVAGDB belongs to the PowerQUICC II Pro family, engineered specifically for embedded communications infrastructure requiring integrated packet processing, memory control, and hardware-accelerated security in a single SoC.

FAQ

What is the maximum DDR2 data rate supported by the MPC8349ECVVAGDB?

The MPC8349ECVVAGDB supports DDR2 SDRAM at up to 400 MHz data rate on a 64-bit interface, delivering 6.4 GB/s peak bandwidth. This is achieved with GVDD = 1.8 V ±90 mV and requires matched trace lengths, proper termination, and DDR2-specific timing parameters configured via the LBC registers. The controller supports registered DIMMs and full ECC for mission-critical applications.

Does the MPC8349ECVVAGDB include hardware support for TLS/SSL acceleration?

Yes, the MPC8349ECVVAGDB includes a dedicated security engine with AESU, MDEU, and RNG units that accelerate TLS 1.2 handshakes and record encryption. It supports AES-128/192/256 in CBC/CTR/CCM modes, SHA-1/224/256, and HMAC-SHA - enabling full TLS offload without CPU intervention. The MPC8349ECVVAGDB's four crypto-channels allow concurrent processing of multiple sessions.

What are the power sequencing requirements for MPC8349ECVVAGDB?

MPC8349ECVVAGDB requires VDD and AVDD to ramp to 90% of nominal (1.3 V) before GVDD, LVDD, or OVDD reach 0.7 V to prevent I/O contention and current spikes up to 5 A. PORESET must be asserted before power supplies stabilize. I/O supplies have no relative ordering among themselves. Failure to follow this sequence risks latch-up or premature wear of output drivers.

Can MPC8349ECVVAGDB operate in PCI agent mode, and what pins are involved?

Yes, MPC8349ECVVAGDB supports PCI agent mode using PCI1 interface, controlled by CFG_PCI_MODE[1:0] strap pins. In agent mode, PCI_SYNC_IN serves as the primary clock input, and PCI1 functions as a slave interface responding to host-initiated transactions. Key pins include AD[31:0], C/BE[3:0]#, PAR, FRAME#, IRDY#, TRDY#, STOP#, DEVSEL#, and PERR# - all 3.3-V tolerant and compliant with PCI Spec 2.3.

Is MPC8349ECVVAGDB pin-compatible with other PowerQUICC II Pro processors?

MPC8349ECVVAGDB shares the 672-pin TBGA package and core peripheral layout with MPC8347ECVVAGDB and MPC8377ECVVAGDB, enabling drop-in replacement in many designs. However, differences in TSEC count (dual vs. single), SATA presence (absent vs. present), and security engine configuration require register-level validation. Pin-to-pin compatibility is confirmed for power, clock, reset, DDR, PCI, and JTAG nets; GPIO and I2C muxing may differ.