NXP Semiconductors MPC8321ECZQADDC
- Part No.:
- MPC8321ECZQADDC
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 516-BBGA
- Datasheet:
-
MPC8321ECZQADDC.pdf
- Description:
- IC MPU MPC83XX 266MHZ PBGA516
- Quantity:
- Payment:

- Shipping:

Inventory:3,923
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MPC8321ECZQADDC from Freescale Semiconductor is a PowerQUICC II Pro integrated communications processor featuring an e300c2 Power Architecture core (16 KB I/D cache, dual integer units, no FPU), 32-bit DDR1/DDR2 memory controller (266 MHz), QUICC Engine with five UCCs, and PCI 2.2 interface. It targets residential gateways, industrial control, and test/measurement systems requiring deterministic packet processing and hardware-accelerated security.
For engineers reviewing the MPC8321ECZQADDC datasheet, MPC8321ECZQADDC pinout, MPC8321ECZQADDC application, or MPC8321ECZQADDC equivalent, key selection criteria include DDR1/DDR2 memory interface compatibility, QUICC Engine protocol support (Ethernet/HDLC/ATM), PCI host/agent mode flexibility, and SEC 2.2 cryptographic acceleration for IPSec/802.11i.
Technical Context
The MPC8321ECZQADDC implements a dual-integer-unit e300c2 core without floating-point unit, paired with a dedicated QUICC Engine block containing five programmable universal communication controllers (UCCs) and a 32-bit RISC coprocessor. Its DDR1/DDR2 controller supports single 32-bit interface at up to 266 MHz with 1.8 V or 2.5 V I/O voltage selection.
PCI operation is compliant with Revision 2.3, supporting both host and agent modes at 33–66 MHz on 3.3 V signaling. The security engine (SEC 2.2) integrates discrete execution units for DES/3DES, AES, SHA-1/SHA-256, and MD5, operating via one crypto-channel with multi-command descriptor chain support.
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 FPU - enables deterministic real-time control-plane processing without floating-point overhead |
| DDR Interface | 32-bit DDR1/DDR2 controller supporting 266 MHz data rate, 1.8 V or 2.5 V I/O - allows flexible memory selection with auto-refresh and CKE-based power management |
| QUICC Engine | Five UCCs supporting 10/100 Mbps Ethernet (MII/RMII), HDLC/transparent (70 Mbps full-duplex), ATM SAR (OC-3), and TDM - offloads data-plane protocol handling from main CPU |
| PCI Interface | 32-bit, 33/66 MHz PCI 2.3-compliant controller with host/agent mode support and 3.3 V signaling - enables direct connection to legacy expansion peripherals or bridge chips |
| Security Engine | SEC 2.2 with DEU (DES/3DES), AESU (AES), MDEU (SHA-1/SHA-256/MD5), one crypto-channel - accelerates IPSec, 802.11i, and iSCSI security processing in control/data plane |
| Package | 620-pin PBGA (35 mm × 35 mm, 1.0 mm pitch) - requires standard BGA reflow profile and supports high-density routing for DDR/PCI/QUICC signal integrity |
| Operating Temp | 0 °C to 105 °C junction temperature - validated for industrial embedded environments with thermal derating per Freescale specification |
Pinout & Package
Package: 620-pin Plastic Ball Grid Array (PBGA), 35 mm × 35 mm, 1.0 mm ball pitch, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Core) | Core supply input | 1.0 V ± 50 mV regulated supply; must ramp before I/O supplies to prevent contention during power-up |
| GVDD (DDR) | DDR I/O supply | Selectable 1.8 V (DDR2) or 2.5 V (DDR1); tracks VDD directionally; powers DQ/DQS pins |
| OVDD (I/O) | General-purpose I/O supply | 3.3 V ± 300 mV for PCI, local bus, DUART, SPI, I²C, JTAG - defines logic thresholds for all non-DDR/PCI interfaces |
| CLKIN | Main system clock input | 25–66.67 MHz differential-capable single-ended clock; rise/fall time ≤ 4 ns; drives PLL for core/QUICC/DDR clocks |
| HRESET | Hardware reset output | Open-drain active-low signal; asserts for ≥512 PCI_SYNC_IN cycles; used to synchronize external peripherals |
| PORESET | Power-on reset input | Active-low asynchronous reset; requires ≥32 CLKIN/PCI_SYNC_IN cycles assertion with stable clock applied |
Key Features
| Feature | Design Value |
|---|---|
| QUICC Engine UCC Flexibility | Each of five UCCs independently configurable for Ethernet, HDLC, UART, BISYNC, or ATM - eliminates need for external protocol co-processors in multi-interface designs |
| DDR1/DDR2 Dual-Voltage Support | Single controller supports both DDR1 (2.5 V) and DDR2 (1.8 V) with identical AC timing - simplifies BOM management across memory generations |
| PCI Host/Agent Mode Switching | Runtime-selectable PCI configuration via CFG registers - enables same hardware to serve as endpoint or root complex in modular system architectures |
| SEC 2.2 Crypto Channel Efficiency | One crypto-channel processes chained descriptors without CPU intervention - reduces interrupt load and improves throughput for encrypted traffic flows |
| Thermal Management Compliance | Validated for 105 °C junction operation with documented power sequencing and CKE-based DDR power-down - meets industrial thermal reliability requirements |
Applications
| Residential Gateway | Industrial Control System |
|---|---|
Use Scenario: DSL/ADSL modem-router combining NAT, firewall, VoIP, and QoS scheduling in compact SOHO enclosure. IC Role / Device Role / Timing Role: Main communications processor executing Linux-based networking stack while QUICC Engine handles Ethernet frame parsing and HDLC encapsulation. Use Value: Integrated DDR controller and dual-UART reduce external components; SEC 2.2 accelerates IPsec tunnel setup for secure remote access. | Use Scenario: Programmable logic controller (PLC) with fieldbus connectivity (Modbus over RS-485, EtherNet/IP) and real-time diagnostics. IC Role / Device Role / Timing Role: Central controller managing deterministic I/O scanning, protocol translation, and secure firmware updates via USB/PCI. Use Value: Five UCCs enable concurrent serial fieldbus interfaces; DDR2 support provides sufficient RAM for ladder logic execution and data logging buffers. |
| Test & Measurement Instrument | Network Edge Appliance |
Use Scenario: Portable protocol analyzer capturing and decoding Ethernet, HDLC, and ATM traffic in lab or field environments. IC Role / Device Role / Timing Role: Real-time packet acquisition engine using QUICC Engine DMA to stream frames directly to DDR2 memory without CPU involvement. Use Value: 70 Mbps HDLC transparent mode and OC-3 ATM SAR allow analysis of legacy telecom links; USB 2.0 enables fast trace file export. | Use Scenario: Secure branch office firewall appliance performing deep packet inspection, intrusion prevention, and encrypted VPN termination. IC Role / Device Role / Timing Role: Control-plane processor running firewall OS while SEC 2.2 offloads AES encryption/decryption and SHA-1 hash verification for TLS/SSL sessions. Use Value: Hardware-accelerated crypto achieves >100 Mbps IPSec throughput; PCI interface connects to Gigabit Ethernet PHY or WAN interface card. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC8323ECZQADDC | Includes UTOPIA Level 2 interface (31 multi-PHY) and enhanced ATM SAR support; otherwise identical core, DDR, PCI, and QUICC Engine architecture | Required for OC-3 multi-PHY ATM backhaul; not suitable where UTOPIA is unused due to higher cost and pin count | Select MPC8323ECZQADDC only when UTOPIA-level ATM termination is mandatory; MPC8321ECZQADDC remains optimal for pure Ethernet/HDLC/USB use cases. |
| MPC8321EVRAGD | Same e300c2 core and QUICC Engine but in 516-pin PBGA (27 mm × 27 mm); lacks PCI interface; supports only DDR1 (2.5 V) | Targeted at space-constrained, cost-sensitive designs without PCI expansion needs or DDR2 migration path | Choose MPC8321EVRAGD for footprint-sensitive applications where PCI and DDR2 are unnecessary; MPC8321ECZQADDC offers superior scalability and future-proofing. |
Compared with MPC8323ECZQADDC, the MPC8321ECZQADDC omits UTOPIA and multi-PHY ATM support but retains identical DDR/PCI/SEC capabilities - making it more cost-effective for Ethernet-centric edge devices. Versus MPC8321EVRAGD, it adds PCI and DDR2 support in a larger package, enabling higher-performance system integration.
Availability
MPC8321ECZQADDC is available at Aetrix Electronics and suitable for residential gateways, industrial control systems, and test & measurement instruments requiring stable component supply across extended product lifecycles.
Supply support for MPC8321ECZQADDC 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, analog, and connectivity solutions for automotive, industrial, and networking markets.
The MPC8321ECZQADDC belongs to the PowerQUICC II Pro family, designed specifically to deliver integrated, low-power communications processing for cost-sensitive networking equipment where software-defined protocol flexibility and hardware-accelerated security are critical.
FAQ
Does the MPC8321ECZQADDC support DDR2 memory?
Yes, the MPC8321ECZQADDC supports DDR2 SDRAM at 1.8 V with a maximum data rate of 266 MHz. Its DDR1/DDR2 memory controller is unified and configurable - enabling either DDR1 (2.5 V) or DDR2 (1.8 V) operation on the same 32-bit interface. This dual-voltage capability simplifies design reuse across memory generations without hardware changes to the MPC8321ECZQADDC itself.
What is the role of the QUICC Engine in the MPC8321ECZQADDC?
The QUICC Engine in the MPC8321ECZQADDC is a dedicated communications coprocessor containing five universal communication controllers (UCCs) and a 32-bit RISC controller. It handles protocol-specific tasks like Ethernet frame processing, HDLC bit-stuffing, ATM segmentation/reassembly, and TDM channel mapping - freeing the e300c2 core for control-plane functions. This separation ensures deterministic real-time performance for data-plane operations in the MPC8321ECZQADDC.
Can the MPC8321ECZQADDC operate in PCI host mode?
Yes, the MPC8321ECZQADDC supports PCI host mode operation per PCI Specification Revision 2.3. In this mode, it acts as the PCI bus master, generating configuration cycles and driving the bus clock (PCI_SYNC_IN). Configuration is controlled via CFG registers, and the device supports three external PCI masters. Host mode is selected at boot via strap pins or software configuration, and the MPC8321ECZQADDC maintains full compatibility with standard PCI peripherals.
What cryptographic algorithms does the MPC8321ECZQADDC security engine accelerate?
The MPC8321ECZQADDC integrates the SEC 2.2 security engine, which accelerates DES, 3DES, AES (all key lengths), SHA-1, SHA-256, MD5, and HMAC operations. These are implemented in dedicated execution units (DEU, AESU, MDEU) accessible via a single crypto-channel that supports multi-command descriptor chains - allowing the MPC8321ECZQADDC to process encrypted traffic with minimal CPU overhead for IPSec, 802.11i, and iSCSI protocols.
Is the MPC8321ECZQADDC pin-compatible with the MPC8323ECZQADDC?
No, the MPC8321ECZQADDC is not pin-compatible with the MPC8323ECZQADDC. While both share the same 620-pin PBGA package outline, the MPC8323ECZQADDC adds UTOPIA interface signals and additional ATM-related pins not present on the MPC8321ECZQADDC. Pin mappings differ in the upper ball rows, and direct PCB substitution would result in unconnected or conflicting signals. Board-level redesign is required to migrate between these variants.
MPC8321ECZQADDC 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:
- -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
MPC8321ECZQADDC FAQ
1.How can I place an order for MPC8321ECZQADDC through Aetrix?
Please submit a Request for Quotation (RFQ) for MPC8321ECZQADDC 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 MPC8321ECZQADDC reliable?
The price and inventory of MPC8321ECZQADDC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPC8321ECZQADDC is usually 5 days.
3.What payment methods are accepted for MPC8321ECZQADDC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPC8321ECZQADDC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPC8321ECZQADDC?
MPC8321ECZQADDC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPC8321ECZQADDC 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 MPC8321ECZQADDC?
For technical support, including MPC8321ECZQADDC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPC8321ECZQADDC requirements.
6.How does Aetrix verify that MPC8321ECZQADDC is sourced from the original manufacturer or authorized distributors?
All MPC8321ECZQADDC 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 MPC8321ECZQADDC meets industry standards.
7.What is the process for return or replacement of MPC8321ECZQADDC?
All MPC8321ECZQADDC units undergo pre-shipment inspection (PSI). If there is an issue with MPC8321ECZQADDC, 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 MPC8321ECZQADDC part is unused and in its original packaging.
Return procedure for MPC8321ECZQADDC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MPC8321ECZQADDC 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
-
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…

