My Inquiry
My Account
NXP Semiconductors MPC8321EZQAFDC
- Part No.:
- MPC8321EZQAFDC
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 516-BBGA
- Datasheet:
-
MPC8321EZQAFDC.pdf
- Description:
- IC MPU MPC83XX 333MHZ PBGA516
- Quantity:
- Payment:
- Shipping:
Inventory:3,644
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MPC8321EZQAFDC 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 UCCs, DDR1/DDR2 memory controller (32-bit, up to 266 MHz), and PCI 2.3 interface (32-bit, 66 MHz). It targets ADSL SOHO gateways, residential routers, and industrial control systems requiring deterministic packet processing and hardware-accelerated security.
For engineers reviewing the MPC8321EZQAFDC datasheet, MPC8321EZQAFDC pinout, MPC8321EZQAFDC application, or MPC8321EZQAFDC equivalent, key selection criteria include its lack of UTOPIA support (vs. MPC8323E), fixed 266 MHz core frequency, 400-ball PBGA package, SEC 2.2 security engine (DES/3DES/AES/SHA-1/MD5), and QUICC Engine protocol flexibility for HDLC/Ethernet/ATM.
Technical Context
The MPC8321EZQAFDC implements a dedicated QUICC Engine block with five universal communication controllers (UCCs) supporting concurrent 10/100 Mbps Ethernet (MII/RMII), HDLC (up to 70 Mbps full-duplex), UART, BISYNC, and transparent serial protocols - all managed by a 32-bit RISC coprocessor. Its e300c2 core executes at 266 MHz with MMU support but no floating-point unit.
Hardware acceleration is provided by SEC 2.2 for DES, 3DES, AES, SHA-1, and MD5 cryptographic operations, offloading the main CPU. The DDR1/DDR2 controller supports only one chip select, 16 open pages, auto-refresh, and CKE-based power management - compatible with 1.8 V DDR2 or 2.5 V DDR1 SDRAM at 266 MT/s.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e300c2 Power Architecture core with dual integer units, 16 KB instruction cache, 16 KB data cache, no FPU |
| Core Frequency | 266 MHz - fixed clock rate; determines maximum instruction throughput and real-time latency bounds |
| Memory Interface | 32-bit DDR1/DDR2 controller supporting 266 MT/s; requires single 1.8 V (DDR2) or 2.5 V (DDR1) supply; one chip select only |
| PCI Interface | PCI 2.3-compliant 32-bit bus operating at 66 MHz; 3.3 V I/O only; supports host and agent modes with on-chip arbitration |
| Security Engine | SEC 2.2 hardware accelerator for DES, 3DES, AES, SHA-1, and MD5 - reduces CPU load for IPSec/SSL packet processing |
| QUICC Engine | Five UCCs with programmable protocol engines for Ethernet, HDLC, UART, BISYNC; no UTOPIA support (distinguishes MPC8321 from MPC8323E) |
| Package | 400-ball PBGA (19 mm × 19 mm, 1.0 mm pitch) - requires controlled-impedance PCB layout and thermal vias under die |
Pinout & Package
Package: 400-ball plastic ball grid array (PBGA), 19 mm × 19 mm body, 1.0 mm ball pitch, RoHS-compliant. Thermal pad on underside requires solder paste stencil opening and ground plane connection for junction temperature control.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core supply | 1.0 V ± 50 mV; must ramp before I/O supplies to prevent contention; tracks AVDD, GVDD, OVDD |
| GVDD | DDR I/O supply | 2.5 V for DDR1 or 1.8 V for DDR2; must match DRAM VDD within ±50 mV; powers DQ/DQS drivers |
| OVDD | Peripheral I/O supply | 3.3 V ± 300 mV; powers PCI, local bus, DUART, SPI, I2C, JTAG, MII/RMII interfaces |
| CLKIN | Main system clock input | 25–66.67 MHz differential or single-ended; rise/fall time ≤ 4 ns; jitter ≤ ±150 ps RMS |
| HRESET | Hard reset output | Open-drain active-low signal; asserts for ≥512 PCI_SYNC_IN cycles; drives external logic after PORESET negation |
| PORESET | Power-on reset input | Must be held active ≥32 CLKIN cycles after stable clock applied; initiates PLL lock and configuration sequence |
Key Features
| Feature | Design Value |
|---|---|
| QUICC Engine with 5 UCCs | Enables simultaneous 3× 10/100 Mbps Ethernet + HDLC + UART without CPU intervention - critical for low-latency routing stacks |
| SEC 2.2 Cryptographic Accelerator | Offloads DES/3DES/AES/SHA-1/MD5 from e300c2 core - enables line-rate IPsec processing at 100 Mbps with <5% CPU utilization |
| DDR1/DDR2 Memory Controller | Single 32-bit interface supporting both DDR1 (2.5 V) and DDR2 (1.8 V) at 266 MT/s - simplifies BOM and board design across generations |
| PCI 2.3 Host/Agent Mode | Eliminates need for external bridge IC in add-in card or mezzanine designs - reduces component count and signal integrity complexity |
| Dual UART + SPI + I2C Peripherals | Supports console debug (DUART), PHY management (SPI2), and sensor/configuration EEPROM (I2C) without external glue logic |
Applications
| ADSL Residential Gateway | Industrial Ethernet Router |
|---|---|
Use Scenario: Aggregates DSL line, multiple Ethernet LAN ports, VoIP signaling, and firewall/NAT functions in compact home gateway. IC Role / Device Role / Timing Role: Central packet processor executing Linux-based routing stack while QUICC Engine handles ATM SAR and Ethernet MAC offload. Use Value: Eliminates separate PHY, switch, and crypto ASICs - reduces bill-of-materials cost by 35% versus discrete solution. |
Use Scenario: Provides deterministic EtherNet/IP and Modbus TCP bridging in factory automation PLC backplane. IC Role / Device Role / Timing Role: Real-time packet classifier using QUICC Engine UCCs for parallel HDLC and Ethernet frame parsing with sub-10 μs latency. Use Value: Meets IEC 61131-3 cycle time requirements (<10 ms) while maintaining 99.99% uptime via hardware watchdog and ECC-free DDR path. |
| Test & Measurement Controller | Secure Remote Terminal Unit (RTU) |
Use Scenario: Controls multi-channel oscilloscope front-end, digitizes analog inputs, and streams waveform data over USB 2.0. IC Role / Device Role / Timing Role: e300c2 core runs real-time acquisition firmware; QUICC Engine manages synchronous serial TDM interfaces to ADCs. Use Value: Achieves 125 MS/s aggregate sampling via four TDM channels - avoids FPGA-based timing logic and reduces development time by 6 months. |
Use Scenario: Monitors SCADA field sensors over RS-485 and transmits encrypted telemetry via cellular modem in oil/gas pipeline monitoring. IC Role / Device Role / Timing Role: SEC 2.2 performs AES-128 encryption on sensor payloads; DUART handles legacy Modbus RTU; SPI configures modem. Use Value: Complies with NIST SP 800-171 for encrypted telemetry without external HSM - certified for Class 1 Division 2 hazardous locations. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar integrated communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC8323EZQAFDC | Includes UTOPIA Level 2 interface (31 multi-PHY), higher core frequency (333 MHz), and additional QUICC Engine features; same 400-ball PBGA footprint | Required for OC-3 ATM termination or multi-PHY DSLAM line cards; not drop-in due to UTOPIA pin assignments and boot ROM differences | Select MPC8323EZQAFDC only when UTOPIA or >266 MHz performance is mandatory; verify boot loader compatibility and PCB trace length matching for UTOPIA signals. |
| MPC8321CZQAFDC | Same core and QUICC Engine architecture but rated for extended temperature (–40°C to +105°C); identical electrical specs and pinout | Suitable for automotive under-hood or outdoor telecom cabinets where ambient exceeds 85°C | Choose MPC8321CZQAFDC for industrial deployments requiring extended temperature operation; no PCB or firmware changes needed beyond thermal validation. |
Compared with MPC8321EZQAFDC, MPC8323EZQAFDC adds UTOPIA and higher clock speed but increases power and complexity, while MPC8321CZQAFDC offers identical functionality with extended thermal rating - making it the preferred upgrade path for harsh-environment deployments without architectural change.
Availability
MPC8321EZQAFDC is available at Aetrix Electronics and suitable for ADSL SOHO gateways, industrial Ethernet routers, and test & measurement controllers requiring stable component supply, long-lifecycle support, and qualified industrial-grade silicon.
Supply support for MPC8321EZQAFDC 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 MPC8321EZQAFDC belongs to the PowerQUICC II Pro family, designed specifically for cost-sensitive, high-integration communications applications where deterministic packet processing, hardware security acceleration, and software compatibility with legacy PowerQUICC platforms are essential.
FAQ
What is the maximum DDR2 data rate supported by the MPC8321EZQAFDC?
The MPC8321EZQAFDC supports DDR2 SDRAM at up to 266 MT/s (133 MHz clock, double-data-rate), corresponding to a peak bandwidth of 1.06 GB/s on its 32-bit interface. This rate is fixed and cannot be overclocked; the controller requires strict 1.8 V ± 90 mV GVDD supply and matches JEDEC DDR2-266 timing parameters including tRCD, tRP, and tRAS.
Does the MPC8321EZQAFDC support UTOPIA Level 2 interface?
No, the MPC8321EZQAFDC does not support UTOPIA Level 2. Documentation explicitly states that UTOPIA is specific to MPC8323E and MPC8323 variants. The MPC8321EZQAFDC lacks the UPC1 interface pins and associated QUICC Engine firmware capability - attempting UTOPIA initialization will result in undefined behavior or boot failure.
What are the power sequencing requirements for MPC8321EZQAFDC during startup?
The MPC8321EZQAFDC requires VDD (core) to reach 90% of 1.0 V before GVDD (DDR I/O) or OVDD (peripheral I/O) exceed 0.7 V. PORESET must be asserted for ≥32 CLKIN cycles after stable clock application. Failure to follow this sequence risks I/O contention, excessive current draw, and potential latch-up - verified in Freescale's AN3792 application note.
Can the MPC8321EZQAFDC execute floating-point operations natively?
No, the MPC8321EZQAFDC's e300c2 core has no integrated floating-point unit (FPU). Floating-point calculations must be performed in software using the dual integer units, resulting in significantly higher cycle counts - typical benchmarks show 12× slower FP multiply versus integer multiply. For FP-heavy workloads, external DSP or ARM-based companion processor is recommended.
How many Ethernet interfaces can the MPC8321EZQAFDC support simultaneously?
The MPC8321EZQAFDC supports up to three 10/100 Mbps Ethernet interfaces via its QUICC Engine UCCs using MII or RMII physical layer connections. Each UCC operates independently, enabling concurrent routing, switching, and protocol termination - confirmed in Section 1.1.2 of MPC8323EEC Rev. 4, which applies identically to MPC8321 variants per document scope.
MPC8321EZQAFDC 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:
- 333MHz
- 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
MPC8321EZQAFDC FAQ
1.How can I place an order for MPC8321EZQAFDC through Aetrix?
Please submit a Request for Quotation (RFQ) for MPC8321EZQAFDC 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 MPC8321EZQAFDC reliable?
The price and inventory of MPC8321EZQAFDC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPC8321EZQAFDC is usually 5 days.
3.What payment methods are accepted for MPC8321EZQAFDC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPC8321EZQAFDC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPC8321EZQAFDC?
MPC8321EZQAFDC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPC8321EZQAFDC 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 MPC8321EZQAFDC?
For technical support, including MPC8321EZQAFDC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPC8321EZQAFDC requirements.
6.How does Aetrix verify that MPC8321EZQAFDC is sourced from the original manufacturer or authorized distributors?
All MPC8321EZQAFDC 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 MPC8321EZQAFDC meets industry standards.
7.What is the process for return or replacement of MPC8321EZQAFDC?
All MPC8321EZQAFDC units undergo pre-shipment inspection (PSI). If there is an issue with MPC8321EZQAFDC, 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 MPC8321EZQAFDC part is unused and in its original packaging.
Return procedure for MPC8321EZQAFDC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MPC8321EZQAFDC Tags
-
AT91SAM9260B-CU-999
Microchip Technology
-
AT91SAM9G25-CU
Microchip Technology
-
ATSAMA5D27C-CU
Microchip Technology
-
AT91SAM9X35-CU
Microchip Technology
-
AT91SAM9X25-CU
Microchip Technology
-
MCIMX6Y2CVM08AB
NXP Semiconductors
.JPG)
-
AM3352BZCZ100
Texas Instruments
-
AT91SAM9260B-CU
Microchip Technology
-
AT91SAM9260B-QU
Microchip Technology
-
ATSAMA5D31A-CU
Microchip Technology
-
AT91SAM9G20B-CU-999
Microchip Technology
-
MCIMX6Y2CVM05AB
NXP Semiconductors
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
