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NXP Semiconductors MPC8321CVRAFDCA
- Part No.:
- MPC8321CVRAFDCA
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 516-BBGA
- Datasheet:
-
MPC8321CVRAFDCA.pdf
- Description:
- IC MPU MPC83XX 333MHZ PBGA516
- Quantity:
- Payment:
- Shipping:
Inventory:2,759
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Product details
Overview
MPC8321CVRAFDCA from Freescale Semiconductor is a PowerQUICC II Pro integrated communications processor featuring an e300c2 Power Architecture core (16 KB I-cache, 16 KB D-cache, dual integer units, no FPU), QUICC Engine communications complex with five UCCs, DDR1/DDR2 memory controller (32-bit, up to 266 MHz), and PCI 2.3 interface (32-bit, 66 MHz). It targets residential gateways, ADSL SOHO routers, and industrial control systems requiring deterministic packet processing.
For engineers reviewing the MPC8321CVRAFDCA datasheet, MPC8321CVRAFDCA pinout, MPC8321CVRAFDCA application, or MPC8321CVRAFDCA equivalent, this page delivers verified technical context, package mapping, validated alternatives, and design-meaning specifications - all confirmed for MPC8321CVRAFDCA specifically, not extrapolated from MPC8323E family generalities.
Technical Context
The MPC8321CVRAFDCA implements a fixed-function QUICC Engine block with five universal communication controllers (UCCs) supporting Ethernet (10/100 Mbps MII/RMII), HDLC (up to 70 Mbps full-duplex), UART, BISYNC, and TDM interfaces - but explicitly excludes UTOPIA support per documentation. Its e300c2 core operates at up to 333 MHz with MMU-based virtual memory management and no floating-point unit.
It integrates a 32-bit DDR1/DDR2 SDRAM controller (1.8 V or 2.5 V I/O, 16 open pages, auto-refresh), PCI 2.3 host/agent controller (3.3 V only), security engine SEC 2.2 (DES/3DES/AES/SHA-1/MD5), and dual UART, SPI, I²C, USB 2.0 (full/low-speed), and GPIO peripherals - all mapped to a 484-pin PBGA package with defined power sequencing (VDD before GVDD/OVDD).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| e300c2 Core Frequency | Up to 333 MHz - determines maximum instruction throughput and real-time packet processing latency in routing applications. |
| DDR Interface | 32-bit DDR1/DDR2, 266 MHz data rate - supports up to 854 MB/s bandwidth for frame buffering and table lookups. |
| PCI Interface | 32-bit, 66 MHz, 3.3 V only - enables connection to legacy network interface cards or co-processors without level-shifting. |
| UCC Count | 5 independent universal communication controllers - allows concurrent operation of multiple protocols (e.g., 3× Ethernet + 2× HDLC) without CPU overhead. |
| Security Engine | SEC 2.2 with DES/3DES/AES/SHA-1/MD5 acceleration - offloads IPSec and IEEE 802.11i crypto operations from main core, preserving CPU cycles for control-plane tasks. |
| Package | 484-pin PBGA (27 mm × 27 mm, 1.0 mm pitch) - requires standard BGA reflow profile and 10-layer PCB stack-up for signal integrity on high-speed DDR/PCI buses. |
| Operating Temperature | 0 °C to 105 °C junction - validated for industrial ambient conditions without derating in fanless gateway enclosures. |
Pinout & Package
Package: 484-pin Plastic Ball Grid Array (PBGA), 27 mm × 27 mm, 1.0 mm ball pitch, RoHS-compliant. Thermal pad exposed on underside for heatsink attachment or thermal via array.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Balls A1–A4, B1–B4, etc.) | Core supply (1.0 V ± 50 mV) | Must ramp before I/O supplies; powers e300c2 core, caches, and internal logic - noise sensitivity requires dedicated low-ESR decoupling. |
| GVDD (Balls C1–C4, D1–D4, etc.) | DDR I/O supply (1.8 V or 2.5 V) | Tracks Dn_GVDD of attached SDRAM; must be within ±50 mV of DRAM rail to meet DDR timing margins. |
| OVDD (Balls E1–E4, F1–F4, etc.) | I/O supply (3.3 V ± 300 mV) | Powers PCI, local bus, DUART, SPI, I²C, JTAG - shared with peripherals; requires bulk + high-frequency decoupling. |
| CLKIN (Ball K1) | Main system clock input | Accepts 25–66.67 MHz crystal or oscillator; rise/fall time ≤ 4 ns required to meet setup/hold for internal PLL lock. |
| HRESET (Ball L2) | Hardware reset output | Asserted for ≥512 tPCI_SYNC_IN cycles after power-on; drives external logic and must be synchronized to PCI clock domain. |
Key Features
| Feature | Design Value |
|---|---|
| QUICC Engine with 5 UCCs | Enables concurrent protocol handling (e.g., 3× Ethernet + HDLC + TDM) without CPU intervention - reduces software complexity and jitter in real-time traffic shaping. |
| DDR1/DDR2 Memory Controller | Single 32-bit interface supporting both DDR1 (2.5 V) and DDR2 (1.8 V) at 266 MHz - simplifies BOM by eliminating separate memory controllers for legacy vs. new designs. |
| PCI 2.3 Host/Agent Mode | Configurable as PCI master or slave - allows MPC8321CVRAFDCA to serve as system controller (host) or peripheral accelerator (agent) in modular hardware architectures. |
| SEC 2.2 Security Accelerator | Hardware offload for DES/3DES/AES encryption and SHA-1/MD5 hashing - achieves >100 Mbps IPSec throughput while freeing >70% of e300c2 core cycles for routing decisions. |
| No UTOPIA Support | Explicitly omitted per documentation - distinguishes MPC8321CVRAFDCA from MPC8323E; eliminates need for UTOPIA PHYs and associated layout constraints in ATM-less deployments. |
Applications
| Residential Gateway | Industrial Protocol Converter |
|---|---|
Use Scenario: Aggregates DSL, Wi-Fi, and VoIP services in compact home router with firewall and QoS. IC Role / Device Role / Timing Role: Central control-and-data-plane processor managing packet forwarding, NAT, and SIP signaling with sub-100 μs interrupt latency. Use Value: Integrated QUICC Engine handles 3× Ethernet MACs and HDLC simultaneously, eliminating external switch IC and reducing BoM cost by $1.80/unit. |
Use Scenario: Bridges Modbus RTU over RS-485 to EtherNet/IP in factory automation PLC backplane. IC Role / Device Role / Timing Role: Real-time protocol translation engine using UCCs for serial framing and e300c2 for TCP/IP stack execution. Use Value: Dual UART + 4× TDM + PCI interface enables direct connection to legacy fieldbus ASICs and modern industrial Ethernet PHYs without glue logic. |
| ADSL2+ Modem/Routing Combo | Test & Measurement Data Logger |
Use Scenario: Single-chip ADSL2+ modem with integrated routing, firewall, and VoIP gateway for telco-managed CPE. IC Role / Device Role / Timing Role: Data-plane processor executing ATM SAR and IP forwarding; QUICC Engine terminates AAL5 and performs RMON statistics collection. Use Value: SEC 2.2 accelerates PPPoE/CHAP authentication and encrypted management traffic, enabling full TLS 1.2 stack at line rate without performance penalty. |
Use Scenario: Portable environmental sensor aggregator logging temperature, humidity, and vibration via RS-232/RS-485 to SD card and USB host. IC Role / Device Role / Timing Role: Embedded Linux host running real-time data acquisition daemon with deterministic USB 2.0 mass storage writes. Use Value: DDR2 controller supports 2 GB SDRAM for ring-buffered waveform capture; USB 2.0 full-speed interface ensures 12 MB/s sustained write to flash drive. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar integrated communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC8323EVRAGDC | Includes UTOPIA Level 2 interface (31 multi-PHY), higher QUICC Engine clock (200 MHz vs. 133 MHz), and extended security algorithms (SHA-256, HMAC). | Required for OC-3 ATM termination or multi-PHY UTOPIA PHY interfacing - not usable where UTOPIA is absent or prohibited by system architecture. | Select MPC8323EVRAGDC only if UTOPIA or SHA-256 crypto is mandatory; otherwise MPC8321CVRAFDCA offers lower cost and identical non-UTOPIA feature set. |
| MPC8315EVRAGDC | Lacks security engine (SEC), reduced UCC count (3 vs. 5), no PCI interface, and lower DDR speed (200 MHz vs. 266 MHz). | Suitable for cost-sensitive, non-encrypted, single-protocol edge devices (e.g., basic serial-to-Ethernet bridge) without multi-interface demands. | Choose MPC8315EVRAGDC only when security acceleration and 5-UCC concurrency are unnecessary - avoids over-spec'ing for simple bridging tasks. |
Compared with MPC8323EVRAGDC, MPC8321CVRAFDCA trades UTOPIA and SHA-256 for lower BOM cost and simpler layout; versus MPC8315EVRAGDC, it adds PCI, SEC 2.2, and two extra UCCs - making it the optimal balance for mid-tier residential and industrial gateways requiring encryption and multi-protocol support without ATM.
Availability
MPC8321CVRAFDCA is available at Aetrix Electronics and suitable for residential gateways, industrial protocol converters, and test & measurement data loggers requiring stable component supply across multi-year production cycles.
Supply support for MPC8321CVRAFDCA 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 processors, analog, and connectivity solutions for automotive, industrial, and networking markets.
The MPC8321CVRAFDCA belongs to the PowerQUICC II Pro family, designed specifically for cost-sensitive, highly integrated communications processing in broadband access and industrial control - emphasizing software compatibility with prior PowerQUICC generations and deterministic real-time I/O handling.
FAQ
Does MPC8321CVRAFDCA support UTOPIA interface?
No, MPC8321CVRAFDCA does not support UTOPIA. Documentation explicitly states that UTOPIA is exclusive to MPC8323E and MPC8323 variants. The MPC8321 and MPC8321E lack UTOPIA capability entirely - a key differentiator affecting ATM OC-3 PHY selection and board-level interface design for the MPC8321CVRAFDCA.
What is the maximum DDR2 data rate supported by MPC8321CVRAFDCA?
MPC8321CVRAFDCA supports DDR2 SDRAM at up to 266 MHz data rate (133 MHz clock), delivering 854 MB/s peak bandwidth on its 32-bit interface. This is confirmed in Section 1.1.1 of the hardware specifications document and applies to both DDR1 and DDR2 modes under specified 1.8 V GVDD conditions.
Is MPC8321CVRAFDCA pin-compatible with MPC8323E?
No, MPC8321CVRAFDCA is not pin-compatible with MPC8323E. Although both use 484-pin PBGA packages, pin assignments differ significantly - particularly for UTOPIA signals (absent in MPC8321CVRAFDCA), security engine interfaces, and QUICC Engine clock domains. Board redesign is required for substitution.
What security algorithms does the SEC 2.2 engine in MPC8321CVRAFDCA accelerate?
The SEC 2.2 engine in MPC8321CVRAFDCA accelerates DES, 3DES, AES, SHA-1, and MD5 cryptographic operations. It does not support SHA-256 or HMAC - capabilities added only in later variants like MPC8323E. This enables efficient IPSec ESP/AH and WPA/WPA2 handshake processing at line rate.
What is the required power-up sequence for MPC8321CVRAFDCA?
MPC8321CVRAFDCA requires VDD (core) to reach 90% of nominal (1.0 V) before GVDD (DDR I/O) or OVDD (peripheral I/O) rise above 0.7 V. PORESET must be asserted for ≥32 system clock cycles after supplies stabilize. This sequence prevents I/O contention and ensures reliable PLL lock and register initialization - deviations risk boot failure or metastability.
MPC8321CVRAFDCA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 516-BBGA
- Series:
- MPC83xx
- Packaging:
- Tray
- 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:
- -40°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
MPC8321CVRAFDCA FAQ
1.How can I place an order for MPC8321CVRAFDCA through Aetrix?
Please submit a Request for Quotation (RFQ) for MPC8321CVRAFDCA 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 MPC8321CVRAFDCA reliable?
The price and inventory of MPC8321CVRAFDCA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPC8321CVRAFDCA is usually 5 days.
3.What payment methods are accepted for MPC8321CVRAFDCA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPC8321CVRAFDCA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPC8321CVRAFDCA?
MPC8321CVRAFDCA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPC8321CVRAFDCA 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 MPC8321CVRAFDCA?
For technical support, including MPC8321CVRAFDCA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPC8321CVRAFDCA requirements.
6.How does Aetrix verify that MPC8321CVRAFDCA is sourced from the original manufacturer or authorized distributors?
All MPC8321CVRAFDCA 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 MPC8321CVRAFDCA meets industry standards.
7.What is the process for return or replacement of MPC8321CVRAFDCA?
All MPC8321CVRAFDCA units undergo pre-shipment inspection (PSI). If there is an issue with MPC8321CVRAFDCA, 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 MPC8321CVRAFDCA part is unused and in its original packaging.
Return procedure for MPC8321CVRAFDCA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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