MPC8349EVVAJFB
MPC8349EVVAJFB - PowerQUICC II Pro 533MHz e300 MPU | NXP
The NXP MPC8349EVVAJFB is a PowerQUICC II Pro integrated communications processor that pairs an enhanced e300 PowerPC core running at 533 MHz with a 672-pin TBGA (35x35) package, 1 GbE MAC, dual PCI, DDR1/DDR2 memory controller, USB, and an integrated security engine (SEC). It belongs to the MPC83xx PowerQUICC II Pro family of system-on-chip communications processors designed as a next-generation extension of the PowerQUICC II line for networking and embedded applications.
An integrated communications processor (often abbreviated as comms processor or SoC MPU) is a high-integration system-on-chip that combines a CPU core, memory controller, and multiple communications peripherals (Ethernet MAC, PCI, USB, UART, I2C, SPI) on a single die. In the broader taxonomy, the MPC8349E sits at the intersection of microprocessor (MPU), network processor, and embedded SoC: MPU -> communications processor -> PowerQUICC family -> PowerQUICC II Pro -> MPC83xx series -> integrated SoC. This consolidation lets a single chip replace a CPU plus a separate Ethernet controller, security accelerator, and bus bridge.
Key features of the MPC8349EVVAJFB include a 533 MHz e300 core with 32 KB L1 instruction cache and 32 KB L1 data cache, hardware cryptography (SEC 2.0) with random number generator, dual 10/100/1000 Mb Ethernet MACs, two PCI interfaces (one 32-bit/66 MHz, one 32-bit/33 MHz), DDR1/DDR2 SDRAM controller up to 266 MHz, USB 2.0 full/low speed interface, two DUART ports, I2C, SPI, and a local bus controller. The 672-LBGA package is supplied in a tray and operates from 0C to 105C junction temperature with core voltages around 1.14V to 1.26V (per published specifications). It is RoHS compliant and uses a lead-free terminal finish.
Architecturally, the e300 core is a superset of the classic PowerPC 603e with deeper pipelining and improved MMU, while the system interface unit (SIU) and communications engine handle the IO and memory fabric. The integrated SEC 2.0 off-loads bulk cryptography (DES, 3DES, AES, SHA, MD5, RSA) at line rate, which is critical for VPN, SSL/TLS, and IPsec gateways. DDR1/DDR2 support up to 266 MHz data rate allows memory subsystems sized to multi-megabyte packet buffers.
Typical applications include industrial routers and secure gateways, DSLAM and PON line cards, networked printers and multifunction controllers, industrial automation controllers with Ethernet connectivity, IPsec/SSL VPN concentrators, and embedded networking appliances requiring integrated cryptography. The 533 MHz speed grade and dual GbE make it suitable for line-rate VPN termination at modest packet sizes. A specific design consideration is thermal management at high activity; the TBGA-672 package exposes a thermal pad that must be soldered to a sufficient copper pour (typically four-layer PCB with thermal vias) to keep junction temperature inside the 0C-105C operating range.
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