MPC8347ECVRADDB - PowerQUICC II Pro 266MHz SoC, 620-HBGA | NXP
MPN: MPC8347ECVRADDB ⚠ Last Time BuyMPC8347ECVRADDB Overview
A PowerQUICC processor is a specialized communications system-on-chip (SoC) that combines a PowerPC host CPU with dedicated communications peripherals. The PowerQUICC II Pro architecture belongs to the broader hierarchy of PowerPC embedded processors (PowerPC -> Power Architecture -> RISC CPU -> embedded processor). It evolved from the earlier PowerQUICC II line by integrating more on-chip memory and I/O while maintaining software compatibility. This SoC class is widely used in networking and telecom equipment where deterministic protocol processing is required alongside general-purpose control code.
Key features include the e300 core with 32 KB L1 instruction cache and 32 KB L1 data cache, dual DDR1/DDR2 memory controllers supporting up to 333 MHz, dual 10/100/1000 Ethernet controllers with TCP/IP acceleration, two USB 2.0 hosts (with on-chip PHYs), a 32-bit PCI interface operating at 33/66 MHz, integrated security engine (SEC 2.0) for DES/3DES/AES/SHA/RSA, and four DMA channels. The integrated peripherals eliminate the need for companion bridge chips in typical routing, switching, and NAS designs.
The MPC8347E architecture implements the classic PowerQUICC dual-core concept in a unified manner: the e300 handles the host operating system (typically Linux or VxWorks), while the QUICC Engine communication module offloads protocol processing. This separation enables wire-speed routing performance without CPU intervention. The 620-HBGA package exposes the full peripheral set plus 16 general-purpose timers, two I2C controllers, an SPI controller, and GPIO lines for system management.
Typical applications include industrial routers and gateways, network attached storage (NAS) controllers, telecom line cards, secure VPN appliances, factory automation controllers, and printing/imaging equipment. The industrial temperature grade (-40C to +105C) makes the part well suited for outdoor enclosures and factory floor deployment where commercial-grade parts would be unreliable.
When designing with the MPC8347ECVRADDB, ensure the JTAG chain is correctly configured and that the 1.0V core / 1.8V DDR / 3.3V I/O rails are decoupled per NXP application note AN3544. The 620-HBGA (29x29 mm) requires at least a 6-layer PCB with controlled-impedance routing for DDR2 and Gigabit Ethernet signals. NXP supplies the U-Boot firmware and Linux BSP to shorten time-to-market.
This page consolidates distributor stock indicators, drop-in same-package alternatives, parametric comparison, and practical PCB design notes that complement the manufacturer hardware specifications document. It is intended for hardware engineers evaluating the MPC8347E family for new designs or supporting legacy production.
Drop-in alternatives for MPC8347ECVRADDB — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MPC8347ECVRADDB (same form factor and footprint) — differing in Ethernet, USB, Core Architecture, Memory Controller, Operating Temperature.
No drop-in alternatives available for this product.
Request AlternativesMPC8347ECVRADDB Maximum Ratings & Electrical Characteristics
| Core Architecture | PowerPC e300 (32-bit) |
| Core Frequency | 266 MHz |
| Instruction Set | Power Architecture 32-bit |
| L1 Cache (Instruction) | 32 KB |
| L1 Cache (Data) | 32 KB |
| Memory Controller | DDR1/DDR2, up to 333 MHz |
| Ethernet | Dual 10/100/1000 Mbps MAC |
| PCI Interface | 32-bit, 33/66 MHz |
| USB | 2x USB 2.0 Host with on-chip PHY |
| Security Engine | SEC 2.0 (DES/3DES/AES/SHA/RSA) |
| DMA Channels | 4 |
| Operating Temperature | -40C to +105C (Industrial) |
| Package | 620-HBGA Hi-CTE (29x29 mm) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lifecycle Status | Last Time Buy (EOL announced) |
MPC8347ECVRADDB 620-hbga hi-cte (29x29 mm) Pin Configuration Guide
Pin configuration for MPC8347ECVRADDB (620-hbga hi-cte (29x29 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MPC8347ECVRADDB.
Refer to the datasheet for full pin configuration.
Typical Applications
MPC8347ECVRADDB is suitable for 6 applications: Industrial Router and Gateway, Network Attached Storage (NAS) Controller, Telecom Line Card and Access Equipment, Secure VPN and IPsec Appliance, Factory Automation Controller, Printing and Imaging Equipment.
Industrial Router and Gateway
The MPC8347ECVRADDB is a strong fit for industrial routers and protocol-conversion gateways. Its 266 MHz e300 core provides the headroom for routing tables up to ~50k entries while the dual Gigabit Ethernet MACs enable WAN/LAN separation without external switch chips. The integrated PCI interface allows connection to a wireless or DSL modem card, and the SEC 2.0 engine handles IPsec/SSL acceleration for VPN tunnels at line rate. The industrial -40C to +105C temperature range eliminates the need for active heating in outdoor enclosures, and NXP's long-term Linux BSP support keeps the firmware maintainable for 10+ year product lifecycles.
Recommended
Network Attached Storage (NAS) Controller
In NAS appliances, the MPC8347ECVRADDB serves as the main controller driving SATA disks via an external PCI SATA controller and presenting files over SMB/NFS via the dual Gigabit Ethernet ports. The 266 MHz core delivers ~80 MB/s sustained throughput on Samba benchmarks, sufficient for small-office NAS products. The DDR2 memory controller supports up to 1 GB of RAM for file system caching, and the integrated USB 2.0 ports provide additional storage expansion. The SEC 2.0 engine accelerates SMB3 signing, an increasingly common requirement in enterprise NAS deployments.
Recommended
Telecom Line Card and Access Equipment
The MPC8347ECVRADDB targets telecom line cards where deterministic protocol processing is required. The QUICC Engine offloads TDM, HDLC, and ATM processing, while the e300 core handles OAM/P and control plane code. The dual Ethernet MACs provide network-side and switch-side connectivity, and the PCI interface connects to DSP or framer ASICs. The industrial temperature grade allows deployment in unconditioned outdoor cabinets, and the long NXP product lifecycle (with Last Time Buy now in effect) means existing designs can continue production via franchised inventory.
Recommended
Secure VPN and IPsec Appliance
The integrated SEC 2.0 security engine is the key differentiator for VPN appliance designs. It offloads DES, 3DES, AES, SHA-1/2, and RSA operations, allowing the MPC8347ECVRADDB to sustain ~200 Mbps of IPsec throughput while leaving the e300 core free for routing and management. The industrial temperature grade suits hardened appliances, and the dual Gigabit Ethernet ports allow WAN/LAN segmentation without an external switch. Combined with NXP's IPsec/Linux stack, this enables a compact fanless VPN appliance with 100+ concurrent tunnels.
Recommended
Factory Automation Controller
In factory automation, the MPC8347ECVRADDB serves as a deterministic controller with EtherCAT or PROFINET real-time Ethernet connectivity (via external PHY and protocol stack). The e300 core runs the PLC logic at fixed cycle times, while the integrated peripherals (UART, I2C, SPI) connect to sensors and motor drives. The -40C to +105C temperature rating allows placement inside cabinets on the factory floor, and the long NXP lifecycle (now in LTB) provides migration runway via franchised inventory or QorIQ successor parts.
Recommended
Printing and Imaging Equipment
Multi-function printers and high-end imaging equipment benefit from the MPC8347ECVRADDB's combination of Gigabit Ethernet (for network connectivity), USB 2.0 hosts (for direct-print and scan-to-USB), and PCI (for the scanner/print engine ASICs). The SEC engine supports encrypted print job storage, an increasingly common compliance requirement in enterprise environments. The industrial temperature range covers the warm environment inside printer enclosures, and the Linux BSP provides a familiar development environment for OEMs already familiar with embedded Linux.
Recommended
Recommended Products Summary
Engineering reference data for MPC8347ECVRADDB — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MPC8347CVRADDB | MPC8347ECVRAGDB | MPC8347CVBADDB | MPC8347EZUAJDB | MPC8343VRADDB |
|---|---|---|---|---|---|---|
| Package | 620-HBGA Hi-CTE (29x29 mm) | 620-HBGA (29x29 mm) - same | 620-HBGA (29x29 mm) - same | 620-HBGA (29x29 mm) - same | 620-HBGA (29x29 mm) - same | 620-HBGA (29x29 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Architecture | PowerPC e300, 266 MHz | PowerPC e300, 266 MHz | PowerPC e300, 266 MHz | PowerPC e300, 266 MHz | PowerPC e300, lower speed grade | PowerPC e300, 266 MHz |
| Security Engine | SEC 2.0 (DES/3DES/AES/SHA/RSA) | None | SEC 2.0 | None | SEC 2.0 | SEC 2.0 |
| Operating Temperature | -40C to +105C (Industrial) | Commercial | Industrial | 0C to +85C (Commercial) | Industrial | Industrial |
| Memory Controller | DDR1/DDR2, 333 MHz | DDR1/DDR2, 333 MHz | DDR1/DDR2, 333 MHz | DDR1/DDR2, 333 MHz | DDR1/DDR2, 333 MHz | DDR1/DDR2, slightly lower rate |
| Ethernet | Dual 10/100/1000 MAC | Dual 10/100/1000 MAC | Dual 10/100/1000 MAC | Dual 10/100/1000 MAC | Dual 10/100/1000 MAC | Reduced Ethernet configuration |
| Lifecycle Status | Last Time Buy | Last Time Buy | Last Time Buy | Last Time Buy | Last Time Buy | Last Time Buy |
Key Differentiators
- Integrated SEC 2.0 security engine for cryptographic acceleration (vs MPC8347CVRADDB)
- Industrial temperature range for outdoor and factory deployments (vs MPC8347CVBADDB)
- Full peripheral set in same package as reduced-feature siblings (vs MPC8343VRADDB)
Design Notes
The 620-HBGA Hi-CTE package requires a minimum 6-layer PCB stackup with continuous GND and PWR planes adjacent to the outer signal layers. Use laser-drilled 0.1 mm micro-vias for BGA fanout with a 0.4 mm via-pitch escape pattern (dog-bone or via-in-pad). Place 0.1 uF X7R decoupling caps within 3 mm of every power pin group, and add bulk 10 uF tantalum or ceramic caps at each supply rail entry point. Follow NXP application note AN3544 for the reference stackup and routing rules.
Estimated: at 266 MHz core clock and full peripheral utilization, the MPC8347ECVRADDB dissipates approximately 2.5 W to 3.5 W. The 620-HBGA Hi-CTE package has a theta-JA around 15 C/W on a 6-layer JEDEC test board, yielding a junction-to-ambient rise of roughly 40C to 50C above ambient. In a sealed industrial enclosure without forced airflow, derate the operating temperature ceiling by 10C or attach a small clip-on heatsink to the package lid.
Three common pitfalls: (1) Forgetting the 32.768 kHz reference oscillator required for the QUICC Engine timers - without it, TDM and Ethernet time-stamping will be inaccurate. (2) Mixing DDR2 signal lengths - the MPC8347E DDR controller requires matched clock, DQS, and DQ routing within 25 ps. (3) Failing to configure the JTAG chain - the e300 core's BDI2000 or CodeWarrior TAP must be properly cascaded with any secondary JTAG devices for production boundary-scan to pass.
The MPC8347ECVRADDB requires three independent rails: 1.0V (core, up to 3 A peak), 1.8V (DDR2 termination and PLL, up to 1 A), and 3.3V (I/O and USB PHY, up to 1.5 A). Use a 4-phase or 3-phase buck regulator for the 1.0V core rail with ceramic output capacitors placed directly at the BGA power balls. Sequence the rails per NXP's power sequencing requirements - 3.3V must ramp before 1.8V, which must ramp before 1.0V, to avoid latch-up.
Compliance Information
RoHS and REACH compliant per NXP product page. AEC-Q100 not applicable - this is an industrial networking MPU, not an automotive-qualified part. Lead-free (Pb-free) BGA solder balls support 245C peak reflow per IPC/JEDEC J-STD-020. Halogen-free status not explicitly stated in the verified web data - request CMDR report from NXP for confirmation.
