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NXP Semiconductors MPC8321EVRADDC
- Part No.:
- MPC8321EVRADDC
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 516-BBGA
- Datasheet:
-
MPC8321EVRADDC.pdf
- Description:
- IC MPU MPC83XX 266MHZ PBGA516
- Quantity:
- Payment:
- Shipping:
Inventory:1,179
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Product details
Overview
MPC8321EVRADDC from NXP Semiconductors (formerly Freescale) is a PowerQUICC II Pro integrated communications processor featuring an e300c2 Power Architecture core, 32-bit DDR1/DDR2 memory controller, and QUICC Engine communications complex with five universal communication controllers (UCCs). It delivers 266 MHz core frequency, supports 10/100 Mbps Ethernet via MII/RMII, and targets ADSL SOHO gateways, residential routers, and industrial control systems.
For engineers reviewing the MPC8321EVRADDC datasheet, MPC8321EVRADDC pinout, MPC8321EVRADDC application, or MPC8321EVRADDC equivalent, key selection criteria include DDR1/DDR2 interface compatibility, UCC protocol support (HDLC, UART, BISYNC), absence of UTOPIA interface, PCI 2.2 host/agent mode capability, and SEC 2.2 security engine acceleration for DES/3DES/AES/SHA-1.
Technical Context
The MPC8321EVRADDC implements a dual-integer-unit e300c2 core without FPU, paired with a dedicated QUICC Engine block containing a 32-bit RISC controller, serial DMA, and five UCCs-each configurable for Ethernet, HDLC, UART, or BISYNC. Unlike the MPC8323E, it omits UTOPIA Level 2 support and multi-PHY ATM capability.
Its DDR1/DDR2 controller provides a single 32-bit interface at up to 266 MHz data rate with 1.8 V/2.5 V I/O compatibility, while the PCI 2.2 controller operates at 66 MHz in 3.3 V-only mode. The security engine (SEC 2.2) offloads cryptographic operations including DES, 3DES, AES, SHA-1, and MD-5 via dedicated execution units.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e300c2 Power Architecture core, no FPU, 16 KB L1 instruction + 16 KB L1 data cache |
| Core Frequency | 266 MHz - determines maximum Dhrystone MIPS throughput and real-time processing latency |
| Memory Interface | 32-bit DDR1/DDR2 SDRAM controller supporting 266 MHz data rate; compatible with 1.8 V (DDR2) or 2.5 V (DDR1) DRAM |
| PCI Interface | 32-bit PCI 2.2 compliant, 66 MHz operation, 3.3 V only, supports host and agent modes |
| Security Engine | SEC 2.2 hardware accelerator for DES, 3DES, AES, SHA-1, and MD-5 - reduces CPU load for IPSec/802.11i crypto operations |
| UCC Count & Protocol Support | 5 UCCs; each supports 10/100 Mbps Ethernet (MII/RMII), HDLC (up to 70 Mbps full-duplex), UART, BISYNC - no UTOPIA or OC-3 ATM |
| Power Supply | VDD = 1.0 V ± 50 mV; GVDD = 1.8 V ± 90 mV or 2.5 V ± 125 mV; OVDD = 3.3 V ± 300 mV - requires tracked sequencing |
Pinout & Package
Package: PBGA-620 (35 mm × 35 mm, 1.27 mm pitch), RoHS-compliant, thermally enhanced with exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core supply | 1.0 V ± 50 mV input; must ramp before I/O supplies to prevent contention |
| GVDD | DDR I/O supply | Configurable for 1.8 V (DDR2) or 2.5 V (DDR1); powers DQ/DQS pins |
| OVDD | I/O supply | 3.3 V for PCI, local bus, DUART, SPI, I²C, JTAG, and system control signals |
| CLKIN | Main clock input | 25–66.67 MHz differential or single-ended reference; drives core, SIU, and PLL |
| HRESET | Hardware reset output | Open-drain active-low signal; asserts SRESET after 512 PCI_SYNC_IN cycles |
| PORESET | Power-on reset input | Must be held asserted ≥32 CLKIN cycles after stable clock applied; initiates boot sequence |
Key Features
| Feature | Design Value |
|---|---|
| QUICC Engine with 5 UCCs | Enables concurrent protocol handling (Ethernet + HDLC + UART) without CPU intervention; eliminates need for external protocol co-processors |
| DDR1/DDR2 Memory Controller | Single 32-bit interface supporting both DDR generations simplifies board layout and allows memory upgrade path without redesign |
| PCI 2.2 Host/Agent Mode | Enables flexible system architecture: device can serve as PCI master (host) or slave (agent), reducing dependency on external bridge logic |
| SEC 2.2 Security Accelerator | Offloads symmetric encryption and hash computation from e300c2 core, preserving CPU cycles for packet forwarding and application tasks |
| Dual Integer Units & MMUs | Enables efficient multitasking and memory protection in embedded Linux or VxWorks environments without floating-point overhead |
Applications
| ADSL Residential Gateway | Industrial Ethernet Router |
|---|---|
Use Scenario: Aggregates DSL line, multiple Ethernet LAN ports, and VoIP signaling in compact home gateway units. IC Role / Device Role / Timing Role: Central control-plane processor managing PPPoE session setup, NAT, firewall, and QoS scheduling; QUICC Engine handles real-time packet classification and shaping. Use Value: Integrated UCCs eliminate external PHY/MAC chips for up to three 10/100 Mbps interfaces, reducing BOM cost and PCB area by ~18% versus discrete solutions. |
Use Scenario: Provides deterministic Ethernet switching and protocol translation (Modbus TCP ↔ RTU) in factory automation nodes. IC Role / Device Role / Timing Role: Real-time packet processing unit with hardware-accelerated HDLC framing and CRC generation for legacy fieldbus bridging. Use Value: 5 UCCs support simultaneous TDM (E1), HDLC (Modbus), and Ethernet traffic - enabling single-chip convergence without FPGA glue logic. |
| Test & Measurement Instrument | Secure Remote Terminal Unit (RTU) |
Use Scenario: Embedded controller in portable network analyzers capturing and filtering Layer 2/3 traffic across multiple interfaces. IC Role / Device Role / Timing Role: Data-plane processor executing deep packet inspection using SEC 2.2 for encrypted payload analysis and QUICC Engine for parallel packet parsing. Use Value: Hardware SHA-1 and AES acceleration enables inline TLS decryption at line rate for 100 Mbps Ethernet streams without software bottlenecks. |
Use Scenario: Field-deployed SCADA node performing secure telemetry acquisition over cellular backhaul and RS-485 field buses. IC Role / Device Role / Timing Role: Secure control processor running embedded Linux with IPsec tunneling (via SEC 2.2) and dual UARTs for Modbus/IEC 60870-5-101 protocol stacks. Use Value: Integrated DUART + I²C + GPIO eliminates level-shifter ICs and reduces power consumption by 230 mW versus microcontroller + external crypto coprocessor approach. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC8323EVRADDC | Includes UTOPIA Level 2, multi-PHY ATM support, and OC-3 SAR; adds one additional UCC channel | Required for ATM-based DSLAM edge nodes or carrier-grade access concentrators | Select when UTOPIA or OC-3 ATM termination is mandatory; not drop-in due to pinout and firmware differences |
| MPC8321ZQAMMBC | Same e300c2 core and QUICC Engine, but in 672-pin TBGA package with different thermal pad and ball map | Preferred for high-reliability industrial designs requiring extended temperature range (–40°C to +105°C) | Valid alternative if PCB redesign accommodates larger footprint and revised power delivery; identical register-level programming model |
Compared with MPC8323EVRADDC, the MPC8321EVRADDC lacks UTOPIA and OC-3 support but offers identical DDR/PCI/UCC functionality in a cost-optimized package; versus MPC8321ZQAMMBC, it trades thermal robustness and packaging for lower procurement cost and standard PBGA assembly compatibility.
Availability
MPC8321EVRADDC is available at Aetrix Electronics and suitable for ADSL SOHO gateways, industrial Ethernet routers, and test & measurement instruments requiring stable component supply, long-lifecycle support, and verified second-source availability.
Supply support for MPC8321EVRADDC 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
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT markets, with roots in Freescale's embedded processor heritage.
The MPC8321EVRADDC belongs to the PowerQUICC II Pro family, designed specifically for cost-sensitive, low-power communications infrastructure where integration of control plane (e300c2) and data plane (QUICC Engine) reduces system complexity and time-to-market.
FAQ
Does MPC8321EVRADDC support DDR2 memory operation?
Yes, MPC8321EVRADDC supports DDR2 SDRAM operation at 1.8 V nominal I/O voltage with up to 266 MHz data rate. Its DDR1/DDR2 memory controller is backward-compatible with DDR1 (2.5 V) and forward-compatible with DDR2, allowing designers to select memory based on cost, density, and power requirements without changing the processor interface logic.
What is the maximum number of Ethernet interfaces supported by MPC8321EVRADDC?
MPC8321EVRADDC supports up to three independent 10/100 Mbps Ethernet interfaces using MII or RMII physical layer connections. This capability is enabled by its QUICC Engine block with five universal communication controllers (UCCs), four of which can be configured for Ethernet MAC functions while the fifth handles auxiliary protocols like HDLC or UART.
Is MPC8321EVRADDC pin-compatible with MPC8323EVRADDC?
No, MPC8321EVRADDC is not pin-compatible with MPC8323EVRADDC. Although both use PBGA-620 packages, their pin assignments differ significantly - particularly for UTOPIA-related signals (absent in MPC8321EVRADDC) and additional security engine control lines. Board-level replacement requires schematic and layout revision.
Does MPC8321EVRADDC include a floating-point unit (FPU)?
No, MPC8321EVRADDC does not include a floating-point unit. Its e300c2 core features dual integer units and 16 KB instruction/data caches but omits FPU hardware. Floating-point operations must be handled in software or offloaded to external accelerators - a design choice that optimizes die size, power, and cost for deterministic packet-processing workloads.
What security algorithms are accelerated by the SEC 2.2 engine in MPC8321EVRADDC?
The SEC 2.2 security engine in MPC8321EVRADDC accelerates DES, 3DES, AES (all key lengths), SHA-1, MD-5, and HMAC-SHA-1. These capabilities enable hardware-accelerated IPSec, SSL/TLS, and IEEE 802.11i protocol stacks, reducing CPU utilization during encrypted data-path processing and improving overall system throughput.
MPC8321EVRADDC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 516-BBGA
- Series:
- MPC83xx
- Packaging:
- Tray
- Product Status:
- Obsolete
- 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:
- 0°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
MPC8321EVRADDC FAQ
1.How can I place an order for MPC8321EVRADDC through Aetrix?
Please submit a Request for Quotation (RFQ) for MPC8321EVRADDC 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 MPC8321EVRADDC reliable?
The price and inventory of MPC8321EVRADDC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPC8321EVRADDC is usually 5 days.
3.What payment methods are accepted for MPC8321EVRADDC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPC8321EVRADDC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPC8321EVRADDC?
MPC8321EVRADDC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPC8321EVRADDC 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 MPC8321EVRADDC?
For technical support, including MPC8321EVRADDC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPC8321EVRADDC requirements.
6.How does Aetrix verify that MPC8321EVRADDC is sourced from the original manufacturer or authorized distributors?
All MPC8321EVRADDC 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 MPC8321EVRADDC meets industry standards.
7.What is the process for return or replacement of MPC8321EVRADDC?
All MPC8321EVRADDC units undergo pre-shipment inspection (PSI). If there is an issue with MPC8321EVRADDC, 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 MPC8321EVRADDC part is unused and in its original packaging.
Return procedure for MPC8321EVRADDC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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