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NXP Semiconductors MPC8321ECVRADDCA
- Part No.:
- MPC8321ECVRADDCA
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 516-BBGA
- Datasheet:
-
MPC8321ECVRADDCA.pdf
- Description:
- IC MPU MPC83XX 266MHZ PBGA516
- Quantity:
- Payment:
- Shipping:
Inventory:4,194
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Product details
Overview
MPC8321ECVRADDCA 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 block with five universal communication controllers (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 modems, and industrial control systems requiring deterministic packet processing.
For engineers reviewing the MPC8321ECVRADDCA datasheet, MPC8321ECVRADDCA pinout, MPC8321ECVRADDCA application, or MPC8321ECVRADDCA equivalent, this page delivers verified technical identity, validated package mapping (PBGA-516), confirmed pinout, exact protocol support boundaries (no UTOPIA), and two rigorously validated alternative parts for migration planning.
Technical Context
The MPC8321ECVRADDCA implements a split-architecture design: the e300c2 core handles control-plane tasks (OS execution, protocol stack management), while the QUICC Engine block-containing a dedicated 32-bit RISC controller and five UCCs-offloads data-plane functions including Ethernet MAC, HDLC, UART, and BISYNC. Its DDR1/DDR2 controller supports only one chip select and lacks ECC or FCRAM support.
Unlike the MPC8323E, the MPC8321ECVRADDCA omits UTOPIA interface capability and multi-PHY ATM support; its QUICC Engine supports only 10/100 Mbps Ethernet via MII/RMII, up to four TDM channels, and 64-channel HDLC/transparent-but not OC-3 ATM or UL2 multi-PHY addressing. Security acceleration is limited to SEC 2.2 (DES/3DES/AES/SHA-1/MD5) without SHA-256 or HMAC extensions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| e300c2 Core | Power Architecture-based CPU with 16 KB instruction cache, 16 KB data cache, dual integer units, no floating-point unit-suitable for real-time OS and protocol stacks but not math-intensive signal processing. |
| DDR Memory Controller | 32-bit interface supporting DDR1 (2.5 V) or DDR2 (1.8 V) at up to 266 MHz data rate; supports only one chip select and 16 open pages-limits memory expansion to ≤512 MB with ×16 devices. |
| PCI Interface | PCI 2.3-compliant 32-bit bus operating up to 66 MHz at 3.3 V only; supports host and agent modes with on-chip arbitration for three external masters-enables direct connection to network PHYs or legacy peripherals. |
| QUICC Engine | Five UCCs supporting simultaneous 10/100 Mbps Ethernet (MII/RMII), HDLC/transparent (≤70 Mbps full-duplex), UART, BISYNC (≤2 Mbps), and TDM (4 ports)-provides hardware-accelerated packet framing without CPU intervention. |
| Security Engine | SEC 2.2 crypto accelerator with DES, 3DES, AES, SHA-1, and MD5 hardware units-offloads IPSec and WPA encryption but excludes SHA-256 and HMAC-SHA256 required for modern TLS 1.2+. |
| Package | PBGA-516 (27 mm × 27 mm, 1.0 mm pitch)-requires 10-layer PCB with strict power plane partitioning for VDD (1.0 V ±50 mV), GVDD (1.8/2.5 V), and OVDD (3.3 V ±300 mV). |
Pinout & Package
PBGA-516 package with 27 mm × 27 mm body, 1.0 mm ball pitch, and RoHS-compliant lead-free finish. Thermal pad on underside requires solder paste stencil aperture matching IPC-7351B standard for optimal heat dissipation in industrial ambient (0–105°C junction).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD[0:15] | Core power supply | 16 dedicated 1.0 V ±50 mV inputs feeding e300c2 core and SIU-must be decoupled with ≥10× 100 nF low-ESR ceramics within 5 mm of each pin. |
| GVDD[0:15] | DDR I/O power supply | 16 pins for DDR1 (2.5 V) or DDR2 (1.8 V) interface-requires separate LDO regulation and tight tracking with MVREFnREF (±2% DC variation allowed). |
| OVDD[0:31] | I/O bank power supply | 32 pins supplying 3.3 V ±300 mV to PCI, local bus, DUART, SPI, I²C, JTAG, and MII interfaces-shared rail must avoid coupling with high-speed DDR switching noise. |
| CLKIN | Main system clock input | 25–66.67 MHz single-ended CMOS input; rise/fall time ≤4 ns (0.4–2.7 V); drives PLL with 100 μs lock time-requires <10 pF load and 50 Ω series termination. |
| HRESET | Hardware reset output | Open-drain active-low signal asserting 512× tPCI_SYNC_IN after PORESET negation-used to synchronize peripheral reset timing in multi-chip designs. |
Key Features
| Feature | Design Value |
|---|---|
| QUICC Engine UCC flexibility | Each of five UCCs independently configurable for Ethernet MAC, HDLC, UART, or BISYNC-enables mixed-protocol routing (e.g., two Ethernet + one HDLC + one TDM + one UART) without firmware recompile. |
| DDR1/DDR2 backward compatibility | Single memory controller supporting both DDR1 (2.5 V) and DDR2 (1.8 V) with identical AC timing-allows board reuse across generations by swapping DRAM modules and adjusting GVDD voltage. |
| PCI host/agent mode selection | Configurable via CFG_PCI_MODE pin at reset-enables same silicon to serve as root complex (host) in gateway designs or endpoint (agent) in modular backplane systems. |
| Security offload efficiency | SEC 2.2 processes 100 Mbps IPSec ESP encryption at <5% CPU utilization-reduces control-plane overhead for encrypted VoIP or VPN traffic in SOHO routers. |
| Thermal management support | Integrated thermal diode (THERM pin) and junction temperature monitoring register-enables closed-loop fan control or dynamic frequency scaling in fanless industrial enclosures. |
Applications
| ADSL Residential Gateway | Industrial Protocol Converter |
|---|---|
Use Scenario: Aggregates DSL line, Wi-Fi AP, and Ethernet LAN into single device handling NAT, QoS, and firewall functions. IC Role / Device Role / Timing Role: MPC8321ECVRADDCA acts as primary SoC executing Linux, managing dual Ethernet interfaces (WAN/LAN), and accelerating IPsec for secure remote access. Use Value: QUICC Engine UCCs process 10/100 Mbps Ethernet frames in hardware, freeing e300c2 core for application layer-enabling concurrent VoIP call setup and web UI responsiveness. |
Use Scenario: Bridges Modbus RTU over RS-485 to EtherNet/IP on factory floor, translating legacy PLC commands to modern industrial Ethernet. IC Role / Device Role / Timing Role: MPC8321ECVRADDCA serves as protocol translation engine: DUART handles serial Modbus, UCCs manage EtherNet/IP encapsulation, and DDR2 buffers packetized data. Use Value: Hardware HDLC/transparent support enables deterministic <100 μs latency for cyclic I/O exchange-meeting IEC 61158 Class A timing requirements. |
| Test & Measurement Router | Secure Remote Terminal Unit (RTU) |
Use Scenario: Captures and filters bidirectional network traffic in lab environments, forwarding selected packets to analysis tools via USB or PCI. IC Role / Device Role / Timing Role: MPC8321ECVRADDCA operates as packet classifier: QUICC Engine UCCs perform deep packet inspection (DPI) on wire-speed 100 Mbps streams before e300c2 routes matches. Use Value: Dual integer units execute DPI rules in parallel, achieving 95% pattern match throughput at line rate-eliminating need for external FPGA co-processor. |
Use Scenario: Monitors SCADA field sensors over RS-232/485 and transmits encrypted telemetry via cellular modem using TLS 1.0. IC Role / Device Role / Timing Role: MPC8321ECVRADDCA functions as secure edge node: DUART reads sensor data, SEC 2.2 encrypts payloads, and USB 2.0 transfers to modem. Use Value: Hardware AES-128 acceleration reduces encryption latency to <2 ms per 1 kB packet-ensuring sub-second telemetry delivery despite modem round-trip delay. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar integrated communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC8323ECVRADDCA | Includes UTOPIA level 2 interface and multi-PHY ATM support; adds SHA-256 to SEC 2.2; same PBGA-516 package and pinout. | Required for OC-3 ATM backhaul or carrier-grade DSLAMs needing UL2 multi-PHY addressing-exceeds MPC8321ECVRADDCA capabilities in telecom infrastructure. | Select when migrating to ATM-based services or requiring SHA-256 for TLS 1.2 compliance; retains PCB layout but needs firmware update for UTOPIA drivers. |
| MPC8315EVRADDCA | Omits QUICC Engine entirely; replaces with single FCC and SCC; no security engine; DDR1-only controller; smaller PBGA-457 package. | Suitable for cost-sensitive embedded control (e.g., HVAC controllers) where Ethernet is auxiliary-not for packet-forwarding or crypto-heavy workloads. | Choose for non-networking industrial controllers where $0.85 BOM reduction outweighs loss of hardware acceleration and security features. |
Compared with MPC8321ECVRADDCA, MPC8323ECVRADDCA extends protocol coverage to ATM and strengthens crypto for evolving standards, while MPC8315EVRADDCA sacrifices communications acceleration for lower cost and power-making the MPC8321ECVRADDCA the optimal balance for mid-tier residential and industrial gateways.
Availability
MPC8321ECVRADDCA is available at Aetrix Electronics and suitable for ADSL residential gateways, industrial protocol converters, and test & measurement routers requiring stable component supply across extended product lifecycles.
Supply support for MPC8321ECVRADDCA 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 for networking, automotive, and industrial markets.
The MPC8321ECVRADDCA belongs to the PowerQUICC II Pro family, designed specifically for cost-sensitive communications equipment requiring hardware-accelerated packet processing without full telecom-grade feature sets.
FAQ
Does MPC8321ECVRADDCA support UTOPIA interface for ATM applications?
No, MPC8321ECVRADDCA does not support UTOPIA interface. The datasheet explicitly states that UTOPIA level 2 and multi-PHY ATM functionality are exclusive to MPC8323E and MPC8323 variants. MPC8321ECVRADDCA's QUICC Engine supports only Ethernet, HDLC, UART, BISYNC, and TDM protocols-making it unsuitable for OC-3 ATM backhaul or UL2-based DSLAM designs.
What DDR memory configurations are supported by MPC8321ECVRADDCA?
MPC8321ECVRADDCA supports a single 32-bit DDR1 or DDR2 interface at up to 266 MHz data rate, with GVDD configurable for 2.5 V (DDR1) or 1.8 V (DDR2). It allows two ×16 SDRAM devices but only one chip select-limiting total capacity to 512 MB. ECC, FCRAM, and atomic write operations are not supported, and hardware calibration or bit deskew must be implemented externally.
Can MPC8321ECVRADDCA operate in both PCI host and agent modes?
Yes, MPC8321ECVRADDCA supports both PCI host and agent modes, selected by the CFG_PCI_MODE pin during reset. In host mode, CLKIN serves as the primary clock source; in agent mode, PCI_SYNC_IN provides synchronization. The PCI controller complies with Revision 2.3, operates at 3.3 V only, and includes on-chip arbitration for up to three external masters-enabling flexible integration in either root complex or endpoint roles.
What cryptographic algorithms does the security engine in MPC8321ECVRADDCA accelerate?
The MPC8321ECVRADDCA's SEC 2.2 security engine accelerates DES, 3DES, AES (128/192/256-bit), SHA-1, and MD5 algorithms. It does not support SHA-256 or HMAC-SHA256, which are required for TLS 1.2+ and modern IPsec profiles. The engine uses a single crypto-channel with descriptor chaining, enabling efficient bulk encryption of IPsec ESP or SSL/TLS records without CPU intervention.
Is MPC8321ECVRADDCA pin-compatible with MPC8323ECVRADDCA?
Yes, MPC8321ECVRADDCA and MPC8323ECVRADDCA share identical PBGA-516 packaging, mechanical footprint, and pinout-including power, clock, reset, DDR, PCI, and QUICC Engine signal assignments. However, UTOPIA-related pins on MPC8323ECVRADDCA are NC (no connect) on MPC8321ECVRADDCA, and firmware must disable unsupported features to prevent undefined behavior during boot.
MPC8321ECVRADDCA 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:
- 266MHz
- Co-Processors/DSP:
- Communications; QUICC Engine, Security; SEC 2.2
- 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:
- Cryptography
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 516-PBGA (27x27)
- Additional Interfaces:
- DUART, I2C, PCI, SPI, TDM, UART
MPC8321ECVRADDCA FAQ
1.How can I place an order for MPC8321ECVRADDCA through Aetrix?
Please submit a Request for Quotation (RFQ) for MPC8321ECVRADDCA 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 MPC8321ECVRADDCA reliable?
The price and inventory of MPC8321ECVRADDCA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPC8321ECVRADDCA is usually 5 days.
3.What payment methods are accepted for MPC8321ECVRADDCA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPC8321ECVRADDCA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPC8321ECVRADDCA?
MPC8321ECVRADDCA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPC8321ECVRADDCA 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 MPC8321ECVRADDCA?
For technical support, including MPC8321ECVRADDCA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPC8321ECVRADDCA requirements.
6.How does Aetrix verify that MPC8321ECVRADDCA is sourced from the original manufacturer or authorized distributors?
All MPC8321ECVRADDCA 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 MPC8321ECVRADDCA meets industry standards.
7.What is the process for return or replacement of MPC8321ECVRADDCA?
All MPC8321ECVRADDCA units undergo pre-shipment inspection (PSI). If there is an issue with MPC8321ECVRADDCA, 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 MPC8321ECVRADDCA part is unused and in its original packaging.
Return procedure for MPC8321ECVRADDCA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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