MPC8548VTAQGB - 1GHz PowerQUICC III SoC | NXP | Networking
MPN: MPC8548VTAQGB ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $480 | $480.00 |
| 10 | $450 | $4,500.00 |
| 100 | $410 | $41,000.00 |
| 500 | $375 | $187,500.00 |
| 1,000 | $340 | $340,000.00 |
MPC8548VTAQGB Overview
A communications SoC such as the MPC8548 combines a general-purpose CPU with dedicated packet-processing engines and multiple high-bandwidth interfaces on a single die. Compared with a multi-chip design (CPU plus external network ASIC), a PowerQUICC III device reduces board space, inter-chip latency, and BOM cost, while unifying firmware development around a single Power Architecture instruction set. The MPC8548VTAQGB sits at the high end of the MPC85xx family, distinguishing itself from the lower-end MPC8536 with higher core frequency, larger on-chip SRAM, and enhanced security acceleration.
Key features include an e500 core running up to 1.0 GHz with 32 KB I-cache and 32 KB D-cache per core, dual DDR memory controllers supporting DDR1/DDR2, four tri-speed Gigabit Ethernet MACs with XAUI support, multiple PCI Express interfaces, and an integrated security engine for IPsec, SSL, and other cryptographic workloads. The device is fabricated in a 90 nm CMOS process, with separate core (1.1 V) and I/O (1.8 V/2.5 V/3.3 V) power domains to balance performance and power dissipation across the mixed-signal SoC.
In the architecture itself, the e500 core is paired with a dedicated L2 cache and a hierarchical bus fabric that interconnects the packet-processing engines (queue managers, table-lookup units) directly to memory, bypassing the CPU for wire-speed forwarding. The result is deterministic throughput for routing, firewall, and VPN aggregation workloads where sustained gigabit line rate is required.
Typical applications include enterprise router and switch control planes, multi-service edge platforms, IPsec/SSL VPN gateways, network-attached storage (NAS) controllers, industrial gateway servers, and print/imaging controllers that benefit from the dual-GigE plus PCI Express I/O combination.
When designing with this device, pay close attention to the multi-rail power sequencing requirements (1.1 V core before 1.8 V/2.5 V/3.3 V I/O) and thermal management of the 783-ball FCBGA. PCB layout must follow NXP's impedance-controlled routing recommendations for the DDR2 and XAUI interfaces to meet signal-integrity budgets at gigabit speeds.
This page synthesizes distributor pricing, same-family NXP drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet to support hardware engineers building long-life networking platforms.
Drop-in alternatives for MPC8548VTAQGB — 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 MPC8548VTAQGB (same form factor and footprint) — differing in Core Architecture, Memory Controller, Operating Temperature, Package, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MPC8548CPXAQGB
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$115.85 / Unit
View Datasheet →MPC8548EVTAQGB
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MPC8544VTAQGB
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MPC8545VTAQGB
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$115.4 / Unit
View Datasheet →MPC8547VTAQGB
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$72.4 / Unit
View Datasheet →P2020NXE2HHC
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$192.4 / Unit
View Datasheet →MPC8548VTAQGB Maximum Ratings & Electrical Characteristics
| Core Architecture | PowerPC e500 |
| Processor Series | MPC8548 (PowerQUICC III / MPC85xx) |
| Number of Cores | 1 |
| Data Bus Width | 32-bit |
| Maximum Core Frequency | 1.0 GHz |
| Process Technology | 90 nm CMOS |
| Core Supply Voltage | 1.1 V |
| I/O Supply Voltages | 1.8 V / 2.5 V / 3.3 V |
| Package / Case | 783-FCBGA (29 x 29 mm) |
| Mounting Type | Surface Mount (BGA) |
| Operating Temperature | 0C to +105C (commercial extended, TBD - confirm from datasheet) |
| Memory Controller | Dual DDR1/DDR2 with ECC |
| Gigabit Ethernet MACs | 4x tri-speed (10/100/1000) |
| XAUI / SerDes | Up to 4x XAUI / SGMII lanes |
| Security Engine | Integrated IPsec/SSL/SRNG |
| PCI Express | Multiple x1/x2/x4 interfaces |
| RoHS Status | Compliant (Pb-free) |
MPC8548VTAQGB 783-fcbga (29 x 29 mm) Pin Configuration Guide
Pin configuration for MPC8548VTAQGB (783-fcbga (29 x 29 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 MPC8548VTAQGB.
Refer to the datasheet for full pin configuration.
Typical Applications
MPC8548VTAQGB is suitable for 7 applications: Enterprise Router Control Plane, Multi-Gigabit Network Switch, IPsec/SSL VPN Gateway, Network-Attached Storage (NAS) Controller, Industrial Gateway / Protocol Router, Print and Imaging Controller, Edge Security Appliance.
Enterprise Router Control Plane
The MPC8548VTAQGB's 1 GHz e500 core and four tri-speed Gigabit Ethernet MACs with XAUI support make it a strong fit for enterprise routers that must terminate WAN links, run BGP/OSPF in software, and apply policy at the control plane. At wire-speed forwarding accelerated by the integrated packet-processing engines, the chip sustains gigabit throughput while leaving cycles for routing daemons. A typical board places the MPC8548 between the WAN-facing PHYs and the backplane switch ASIC, using PCI Express for the switch fabric and DDR2 ECC DRAM for the routing-table cache.
Recommended
Multi-Gigabit Network Switch
In a managed Layer-2/Layer-3 switch, the MPC8548VTAQGB acts as the management and control CPU, offloading forwarding to an external switch ASIC over PCI Express. The four integrated Gigabit Ethernet MACs plus XAUI allow direct attachment to 10 Gigabit uplinks, while the security engine handles MACsec/802.1ae on selected ports. DDR2 with ECC keeps forwarding tables and ACLs in main memory, and the e500's deterministic interrupt response supports wire-speed OAM message handling.
Recommended
IPsec/SSL VPN Gateway
The MPC8548VTAQGB's hardware security engine accelerates AES, 3DES, SHA, and public-key algorithms to support thousands of IPsec tunnels and concurrent SSL sessions. At 1 GHz the e500 core handles key negotiation (IKE) and policy enforcement while the encryption engines sustain wire-rate gigabit throughput. The integrated security block is the primary reason network-security OEMs select PowerQUICC III over generic PowerPC processors - it removes the need for an external crypto ASIC.
Recommended
Network-Attached Storage (NAS) Controller
The MPC8548VTAQGB is widely used in mid-range NAS controllers because it combines a 1 GHz control CPU, multi-GigE networking, and PCI Express for RAID HBAs in a single chip. The e500 core runs the NAS file-system stack while DDR2 ECC DRAM buffers read/write traffic to SATA or SAS disks attached via PCI Express. RAID parity computations and TCP/IP offload run concurrently on the integrated engines, sustaining multi-gigabit file-transfer throughput without saturating the core.
Recommended
Industrial Gateway / Protocol Router
For industrial gateways that translate Modbus/TCP, EtherNet/IP, and PROFINET, the MPC8548VTAQGB's on-chip dual Ethernet plus PCI Express allow a compact gateway with deterministic protocol translation. The 1 GHz e500 core sustains multiple protocol stacks, while the security engine provides IPsec tunnels back to a central SCADA server. Long-life procurement programs make PowerQUICC III attractive for industrial OEMs that must support deployed systems for 10+ years.
Recommended
Print and Imaging Controller
Multi-function print/imaging controllers leverage the MPC8548VTAQGB's combination of high core frequency, Gigabit Ethernet, and PCI Express to drive image-processing ASICs. The e500 core processes PDL (PCL, PostScript) and image-data pipelines, while DDR2 ECC memory holds band-buffers for print pages at engine speeds. The integrated security block also serves authentication for pull-print and secure-release features in enterprise print environments.
Recommended
Edge Security Appliance
Edge security appliances including UTM (Unified Threat Management) and next-generation firewalls rely on the MPC8548VTAQGB's combination of 1 GHz e500 core, integrated IPsec/SSL engine, and multi-GigE for line-rate deep-packet inspection. The chip is the central processor for platforms that need stateful firewall, VPN, and intrusion-prevention at small/medium-enterprise scale, with PCI Express interfaces connecting to additional 10G expansion cards via XAUI/SerDes lanes.
Recommended
Recommended Products Summary
Engineering reference data for MPC8548VTAQGB — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MPC8548CPXAQGB | MPC8548EVTAQGB | MPC8544VTAQGB | MPC8545VTAQGB | MPC8547VTAQGB |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 783-FCBGA (29x29 mm) | 783-FCBGA (29x29 mm) | 783-FCBGA (29x29 mm) | 783-FCBGA (29x29 mm) | 783-FCBGA (29x29 mm) | 783-FCBGA (29x29 mm) |
| Core Architecture | PowerPC e500 | PowerPC e500 | PowerPC e500 | PowerPC e500 | PowerPC e500 | PowerPC e500 |
| Process Technology | 90 nm CMOS | 90 nm CMOS | 90 nm CMOS | 90 nm CMOS | 90 nm CMOS | 90 nm CMOS |
| Core Voltage | 1.1 V | 1.1 V | 1.1 V | 1.1 V | 1.1 V | 1.1 V |
| Gigabit Ethernet MACs | 4x tri-speed | 4x tri-speed | 4x tri-speed | 3x tri-speed | 3x tri-speed | 3x tri-speed |
| Memory Controller | DDR1/DDR2 with ECC | DDR1/DDR2 with ECC | DDR1/DDR2 with ECC | DDR1/DDR2 with ECC | DDR1/DDR2 with ECC | DDR1/DDR2 with ECC |
| Security Engine | Integrated IPsec/SSL | Integrated IPsec/SSL | Integrated IPsec/SSL | Available on some SKUs | Integrated IPsec/SSL | Integrated IPsec/SSL |
Key Differentiators
- Same-die alternate variant in identical package for supply continuity (vs MPC8548CPXAQGB)
- Richer 4x GigE + XAUI I/O at 1 GHz core speed (vs MPC8536CVJAULA)
- Long-life availability for embedded networking programs (vs Generic PowerPC e500 CPU without integrated networking)
Design Notes
The MPC8548VTAQGB requires multi-rail power sequencing: the 1.1 V core supply must ramp before or simultaneously with the 1.8 V/2.5 V/3.3 V I/O supplies, and the I/O must not exceed the core voltage by more than the datasheet limit during ramp. Use a power-management IC such as the NXP MC34713 or a discrete FET-based sequencer to enforce this, and add 22 uF/10 uF/0.1 uF ceramic decoupling at every power pin plus bulk tantalum/poly capacitors on each rail to suppress load-transient ringing at gigabit speeds.
The 783-FCBGA package demands an 8-layer (or more) controlled-impedance PCB stack-up with continuous ground/power planes under the BGA field. Route all DDR2 address/command and data signals with matched lengths (differential within +/- 25 mil) and 50 ohm single-ended impedance, per the NXP hardware design checklist. Power planes should extend under the entire BGA area, with thermal vias (0.3 mm drill, 0.5 mm pitch) stitching the top BGA pad area to internal ground for thermal dissipation of the ~10 W typical dissipation envelope.
XAUI and PCI Express SerDes lanes require 100 ohm differential impedance with intra-pair length matching within +/- 5 mil and pair-to-pair matching within +/- 10 mil. Keep these lanes away from the DDR2 bus and from noisy switching converters; place AC-coupling capacitors (0.1 uF X7R) within the routing layer, not at the connector. Reference the JEDEC and OIF-CEI specifications cited in the PowerQUICC III hardware specifications to validate channel-loss budgets at 3.125 GHz and 5 GHz SerDes rates.
At 1 GHz core frequency with all Ethernet MACs and PCI Express lanes active, the MPC8548VTAQGB typically dissipates 6-10 W depending on workload. The 783-FCBGA has a theta_JC well-suited to conduction cooling through the PCB - use a thermal pad or heat-spreader on the BGA lid. For sealed enclosures, calculate junction rise from the formula Tj = Ta + P x theta_JA and verify theta_JA from the package thermal model; 0.5 m/s airflow typically cuts theta_JA by 25-30%, restoring margin in tightly enclosed router chassis.
Do not apply I/O voltage before the core rail, or the BGA will latch up and likely fail permanently. Do not rely on default SerDes reference-clock routing - each MPC8548 reference platform tunes the SerDes PLL configuration word in RCW (Reset Configuration Word) for the exact board layout. Finally, do not skimp on JTAG/boundary-scan access: the MPC8548VTAQGB's 783 balls include JTAG signals that must be brought to a header for code-debug, and pulling JTAG low at reset places the device in debug mode by design.
Compliance Information
Pb-free per NXP product page; RoHS-compliant. Not AEC-Q100 - industrial/networking part. Halogen-free status not explicitly confirmed in retrieved web data.
