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NXP Semiconductors MPC8321VRAFDCA
- Part No.:
- MPC8321VRAFDCA
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 516-BBGA
- Datasheet:
-
MPC8321VRAFDCA.pdf
- Description:
- IC MPU MPC83XX 333MHZ PBGA516
- Quantity:
- Payment:
- Shipping:
Inventory:3,340
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Product details
Overview
MPC8321VRAFDCA from Freescale Semiconductor is a PowerQUICC II Pro integrated communications processor featuring an e300c2 core (Power Architecture®), 16 KB L1 instruction and data caches, dual integer units, no FPU, 32-bit DDR1/DDR2 memory controller, 32-bit PCI 2.3 interface, and QUICC Engine with five UCCs - designed for ADSL SOHO gateways, residential routers, and industrial control systems.
For engineers reviewing the MPC8321VRAFDCA datasheet, MPC8321VRAFDCA pinout, MPC8321VRAFDCA application, or MPC8321VRAFDCA equivalent, this page delivers verified electrical specs, validated package mapping, confirmed UCC protocol support (Ethernet/HDLC/UART), DDR1/DDR2 timing compliance, and real-world substitution guidance - all specific to MPC8321VRAFDCA's FDCA (PBGA-516) package and -40°C to +105°C industrial temperature grade.
Technical Context
The MPC8321VRAFDCA implements a fixed-function QUICC Engine block with five programmable Universal Communication Controllers (UCCs), each supporting configurable serial protocols including 10/100 Mbps Ethernet (MII/RMII), HDLC (up to 70 Mbps full-duplex), UART, BISYNC, and transparent mode - but excludes UTOPIA interface support per documentation. Its e300c2 core runs at up to 333 MHz with MMU support and executes Power Architecture v2.02 instructions.
It integrates a 32-bit DDR1/DDR2 SDRAM controller (266 MHz data rate, 32-bit bus, single chip select), PCI 2.3 host/agent controller (66 MHz, 3.3 V only), security engine SEC 2.2 (DES/3DES/AES/SHA-1/MD5), and peripheral interfaces including DUART, I²C, SPI, GPIO, and JTAG - all mapped to a 516-pin PBGA package with defined power sequencing (VDD before GVDD/OVDD).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e300c2 Power Architecture® core, no FPU, dual integer units, 16 KB L1 I-cache + 16 KB L1 D-cache |
| Max Core Frequency | 333 MHz - determines instruction throughput and real-time processing capability in packet-forwarding applications |
| DDR Interface | 32-bit DDR1/DDR2 controller, 266 MHz data rate, supports 1.8 V DDR2 or 2.5 V DDR1, single chip select only |
| PCI Interface | 32-bit PCI 2.3 compliant, 66 MHz operation, 3.3 V signaling only, supports host and agent modes |
| QUICC Engine UCCs | Five UCCs - each configurable for Ethernet (MII/RMII), HDLC, UART, BISYNC, or transparent serial; no UTOPIA support |
| Operating Temperature | –40°C to +105°C - qualified for industrial embedded environments without derating |
| Package | PBGA-516 (27 mm × 27 mm, 1.0 mm pitch) - requires standard BGA reflow profile and thermal pad grounding |
Pinout & Package
Package: PBGA-516 (27 mm × 27 mm, 1.0 mm ball pitch, RoHS-compliant, thermal pad on underside). Pinout conforms to Freescale MPC8323E/MPC8321E family layout; MPC8321VRAFDCA shares identical pin assignment with MPC8321E and MPC8323E per datasheet Figure 21–1 (Package and Pin Listings).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core supply | 1.0 V ±50 mV; must ramp before GVDD/OVDD to prevent I/O contention during power-up |
| GVDD | DDR I/O supply | 1.8 V (DDR2) or 2.5 V (DDR1); tracks VDD directionally; supplies DQ/DQS termination reference |
| OVDD | I/O supply | 3.3 V ±300 mV; powers PCI, local bus, DUART, I²C, SPI, JTAG, and MII/RMII interfaces |
| CLKIN | Main system clock input | 25–66.67 MHz differential-capable single-ended clock; rise/fall time ≤4 ns; jitter ≤±150 ps |
| HRESET | Hardware reset output | Open-drain active-low signal; asserts for ≥512× tPCI_SYNC_IN after PORESET deassertion |
| PORESET | Power-on reset input | Must be held asserted ≥32× tCLKIN (host mode) or tPCI_SYNC_IN (agent mode) with stable clock applied |
Key Features
| Feature | Design Value |
|---|---|
| QUICC Engine with 5 UCCs | Enables concurrent multi-protocol serial processing (e.g., 3× Ethernet + HDLC + UART) without CPU intervention |
| DDR1/DDR2 Memory Controller | Single 32-bit interface supporting both DDR1 (2.5 V) and DDR2 (1.8 V) at 266 MHz - simplifies memory BOM across product variants |
| Security Engine SEC 2.2 | Hardware-accelerated DES/3DES/AES/SHA-1/MD5 offloads crypto from e300c2 core - critical for IPsec gateway throughput |
| PCI 2.3 Host/Agent Mode | Enables MPC8321VRAFDCA to serve as either expansion host (e.g., adding PHYs) or peripheral agent (e.g., PCIe-to-PCI bridge target) |
| Industrial Temp Grade | –40°C to +105°C operation validated per JEDEC JESD22-A108 - eliminates need for external thermal management in harsh environments |
Applications
| ADSL Residential Gateway | Industrial Ethernet Router |
|---|---|
Use Scenario: Aggregates DSL line, Wi-Fi AP, and LAN switch in compact home gateway unit with firewall and QoS. IC Role / Device Role / Timing Role: MPC8321VRAFDCA serves as main control-plane processor and data-plane packet forwarder via QUICC Engine UCCs and DDR2 memory. Use Value: Integrated UCCs handle 2× MII Ethernet + HDLC framing without external ASICs; DDR2 support enables >128 MB RAM for deep packet inspection buffers. |
Use Scenario: Ruggedized DIN-rail router for factory automation, connecting PLCs, HMIs, and SCADA over redundant 100 Mbps links. IC Role / Device Role / Timing Role: MPC8321VRAFDCA acts as deterministic real-time controller with precise RMII timing and hardware timer interrupts. Use Value: Industrial temp grade and PCI interface allow direct connection to fieldbus cards; QUICC Engine ensures sub-100 μs latency for cyclic Ethernet/IP traffic. |
| Test & Measurement Instrument | Modem/Routing Platform |
Use Scenario: Portable protocol analyzer capturing and decoding ATM, HDLC, and Ethernet frames in telecom labs. IC Role / Device Role / Timing Role: MPC8321VRAFDCA performs real-time frame classification, timestamping, and storage buffering using DMA and DDR2. Use Value: Five UCCs enable simultaneous capture of multiple serial streams (e.g., T1/E1 + Ethernet + UART debug); SEC 2.2 accelerates encrypted trace export. |
Use Scenario: Carrier-grade broadband modem supporting DOCSIS 2.0/3.0 backhaul via PCI-connected cable PHY. IC Role / Device Role / Timing Role: MPC8321VRAFDCA functions as PCI agent managing upstream/downstream channel bonding and QAM demodulation metadata. Use Value: PCI 2.3 interface provides 264 MB/s bandwidth to offload PHY data; DDR2 controller sustains sustained 200+ Mbps packet forwarding. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC8323EVRAFDCA | Includes UTOPIA Level 2 interface (31 multi-PHY), higher QUICC Engine clock (200 MHz vs. 133 MHz), same e300c2 core and DDR/PCI specs | Required for OC-3 ATM backhaul or multi-PHY DSLAM line cards; not drop-in due to UTOPIA pin allocation differences | Select MPC8323EVRAFDCA only when UTOPIA or higher QUICC Engine throughput is mandatory; MPC8321VRAFDCA suffices for pure Ethernet/HDLC routing. |
| MPC8321ZQAFDCA | Same core, memory, and peripheral specs, but commercial temp grade (0°C to +105°C) and different speed bin (333 MHz vs. 333 MHz nominal, but lower max junction temp margin) | Suitable for indoor consumer electronics; lacks industrial qualification for extended ambient or thermal cycling | Choose MPC8321ZQAFDCA for cost-sensitive CE designs; MPC8321VRAFDCA is required where –40°C startup or 105°C sustained operation is specified. |
Compared with MPC8323EVRAFDCA and MPC8321ZQAFDCA, the MPC8321VRAFDCA uniquely balances industrial reliability, UCC-based Ethernet/HDLC flexibility, and cost efficiency - making it optimal for non-UTOPIA, temperature-critical edge routing where full SEC 2.2 acceleration and DDR2 bandwidth are essential.
Availability
MPC8321VRAFDCA is available at Aetrix Electronics and suitable for ADSL residential gateways, industrial Ethernet routers, and test & measurement instruments requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MPC8321VRAFDCA 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 processing, connectivity, and analog solutions for automotive, industrial, and networking markets.
The MPC8321VRAFDCA belongs to the PowerQUICC II Pro family - designed specifically to deliver integrated, software-compatible, low-power communications processing for cost-sensitive, high-reliability edge networking equipment.
FAQ
What is the maximum DDR2 data rate supported by the MPC8321VRAFDCA?
The MPC8321VRAFDCA supports DDR2 SDRAM at up to 266 MHz data rate (133 MHz clock), delivering 2.1 GB/s peak bandwidth on its 32-bit bus. This is confirmed in Section 1.4 of the MPC8323E Hardware Specifications document, which explicitly states "support for up to 266-MHz data rate" and applies identically to MPC8321VRAFDCA per document scope. The controller does not support DDR3 or LPDDR.
Does the MPC8321VRAFDCA support the UTOPIA interface?
No, the MPC8321VRAFDCA does not support the UTOPIA interface. The official Freescale documentation states: "note that the MPC8321 and MPC8321E do not support UTOPIA" (Section 1, Overview, p.2). This exclusion is a deliberate silicon-level differentiation from the MPC8323E/MPC8323 variants, which include UTOPIA Level 2 support.
What power supply sequencing is required for reliable MPC8321VRAFDCA startup?
MPC8321VRAFDCA requires VDD (core) to be applied before GVDD (DDR I/O) and OVDD (peripheral I/O) to prevent I/O contention. Per Section 2.2, VDD must reach 90% of nominal (1.0 V) before GVDD/OVDD exceed 0.7 V, and PORESET must remain asserted for ≥32 system clock cycles after supplies stabilize. Failure to follow this sequence risks latch-up or undefined boot behavior.
Which communication protocols are supported by the QUICC Engine UCCs in the MPC8321VRAFDCA?
The five UCCs in the MPC8321VRAFDCA support 10/100 Mbps Ethernet (MII/RMII), HDLC (up to 70 Mbps full-duplex), UART, BISYNC (up to 2 Mbps), and transparent serial modes. Protocol selection is software-configurable per UCC. ATM SAR and UTOPIA are excluded - confirmed in Sections 1.1.1 and 1.2 of the hardware spec.
What is the operating temperature range certified for the MPC8321VRAFDCA?
The MPC8321VRAFDCA is rated for –40°C to +105°C ambient operation, as indicated by the "V" suffix in its orderable part number and validated in thermal characterization (Section 23). This industrial temperature grade is distinct from commercial variants (e.g., "Z" suffix) and ensures functionality across uncontrolled environments like outdoor cabinets or factory floors.
MPC8321VRAFDCA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 516-BBGA
- Series:
- MPC83xx
- Packaging:
- Bulk
- Product Status:
- Active
- Core Processor:
- PowerPC e300c2
- Number of Cores/Bus Width:
- 1 Core, 32-Bit
- Speed:
- 333MHz
- Co-Processors/DSP:
- Communications; QUICC Engine
- RAM Controllers:
- DDR, DDR2
- Graphics Acceleration:
- No
- Display & Interface Controllers:
- -
- Ethernet:
- 10/100Mbps (3)
- SATA:
- -
- USB:
- USB 2.0 (1)
- Voltage - I/O:
- 1.8V, 2.5V, 3.3V
- Operating Temperature:
- 0°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Security Features:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 516-PBGA (27x27)
- Additional Interfaces:
- DUART, I2C, PCI, SPI, TDM, UART
MPC8321VRAFDCA FAQ
1.How can I place an order for MPC8321VRAFDCA through Aetrix?
Please submit a Request for Quotation (RFQ) for MPC8321VRAFDCA on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MPC8321VRAFDCA reliable?
The price and inventory of MPC8321VRAFDCA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPC8321VRAFDCA is usually 5 days.
3.What payment methods are accepted for MPC8321VRAFDCA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPC8321VRAFDCA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPC8321VRAFDCA?
MPC8321VRAFDCA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPC8321VRAFDCA order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MPC8321VRAFDCA?
For technical support, including MPC8321VRAFDCA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPC8321VRAFDCA requirements.
6.How does Aetrix verify that MPC8321VRAFDCA is sourced from the original manufacturer or authorized distributors?
All MPC8321VRAFDCA products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MPC8321VRAFDCA meets industry standards.
7.What is the process for return or replacement of MPC8321VRAFDCA?
All MPC8321VRAFDCA units undergo pre-shipment inspection (PSI). If there is an issue with MPC8321VRAFDCA, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MPC8321VRAFDCA part is unused and in its original packaging.
Return procedure for MPC8321VRAFDCA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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