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NXP Semiconductors MPC885VR66
- Part No.:
- MPC885VR66
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 357-BBGA
- Datasheet:
-
MPC885VR66.pdf
- Description:
- IC MPU MPC8XX 66MHZ 357BGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,670
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Product details
Overview
MPC885VR66 from Freescale Semiconductor is a PowerQUICC II integrated communications processor combining a 32-bit MPC8xx core (66 MHz), dual 10/100 Fast Ethernet controllers (FEC), USB 2.0 full-/low-speed host/function interface, UTOPIA L2-compliant ATM interface, and hardware security engine (AES-128/192/256, DES/3DES, SHA-1/256, MD5) in a single 357-pin PBGA package. It targets broadband access gateways, DSLAMs, and secure enterprise edge routers requiring deterministic real-time packet processing.
For engineers reviewing the MPC885VR66 datasheet, MPC885VR66 pinout, MPC885VR66 application, or MPC885VR66 equivalent, key selection criteria include its 66 MHz core frequency with 1:1 bus timing, 1.8 V core / 3.3 V I/O voltage domains, 8 KB instruction + 8 KB data caches, dual-port CPM RAM, and IEEE 1149.1 JTAG debug support - all critical for legacy telecom infrastructure upgrades and long-lifecycle industrial networking designs.
Technical Context
The MPC885VR66 implements a three-module architecture: an MPC8xx RISC core with MMU and dual 8-KB caches; a System Integration Unit (SIU) handling clock synthesis, reset control, PIT, watchdog, and JTAG; and a Communications Processor Module (CPM) with 8-KB dual-port RAM, four baud rate generators, and serial DMA channels supporting SCC/SMC protocols including HDLC, UART, IrDA, and ATM over UTOPIA.
Its security engine integrates dedicated crypto accelerators (DEU, AESU, MDEU) operating concurrently with the CPU, enabling wire-speed IPsec/SSL/TLS offload without software intervention. The device supports dynamic bus sizing (8/16/32-bit), up to 30 wait states per memory bank, and glueless interfacing to DRAM, SRAM, Flash, and PCMCIA devices - essential for flexible memory subsystem design in embedded networking equipment.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Frequency | 66 MHz - enables 1:1 bus timing mode for deterministic peripheral access and simplified timing closure on external memory and I/O interfaces. |
| Cache | 8 KB instruction + 8 KB data - two-way set-associative caches with LRU replacement and lockable blocks reduce cache thrashing in real-time protocol stacks. |
| Security Engine | AES-128/192/256, DES/3DES, SHA-1/256, MD5 - hardware-accelerated crypto offloads CPU for concurrent IPsec tunnel establishment and SSL session management. |
| Networking Peripherals | Dual 10/100 FEC (MII/RMII), UTOPIA L2, USB 2.0 - supports simultaneous WAN/LAN routing, ATM backhaul, and USB-based diagnostics or firmware updates. |
| Power Supply | 1.8 V core (VDDL), 3.3 V I/O (VDDH), 1.8 V PLL (VDDSYN) - requires strict sequencing (VDDL ≤ VDDH) to prevent ESD diode conduction and ensure reliable boot. |
| Package | 357-pin PBGA (27 mm × 27 mm, 1.27 mm pitch) - high I/O count supports complex telecom interface combinations but demands controlled-impedance PCB layout and thermal vias to ground plane. |
| Operating Temperature | –40°C to +100°C junction - validated for extended temperature operation in carrier-grade chassis environments with forced airflow. |
Pinout & Package
The MPC885VR66 is housed in a 357-ball plastic ball grid array (PBGA) package with 1.27 mm pitch, designed for surface-mount assembly on four-layer boards with dedicated power and ground planes. Thermal performance relies on soldering thermal balls to internal ground layers per JEDEC JESD51-8.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDL (Balls A1–A4, B1–B4, etc.) | Core power supply | 1.8 V supply for CPU, caches, and SIU logic; requires ≥4 × 0.1 µF local bypass capacitors per side to suppress switching noise. |
| VDDH (Balls C1–C4, D1–D4, etc.) | I/O power supply | 3.3 V supply for all digital I/O including FEC, USB, and UTOPIA; pins are 5 V tolerant but must not exceed VDDH + 2.5 V. |
| VDDSYN (Ball E1) | PLL reference supply | 1.8 V supply for clock synthesizer; highly sensitive to noise - requires separate low-noise LDO and ferrite-bead filtering. |
| EXTAL/EXTCLK (Balls T2/T3) | External clock input | Accepts 50 MHz crystal or 66 MHz clock source for PLL multiplication; VIHC = 0.7×VDDH minimum ensures robust startup under voltage droop. |
| TMS/TCK/TDO/TDI (Balls U1–U4) | JTAG test access port | IEEE 1149.1-compliant boundary-scan interface for production testing, in-circuit debugging, and flash programming via standard tools. |
| MII1_TXEN/MII1_MDIO (Balls R1/R2) | FEC1 MII control | Enables 10/100 Mbps Ethernet PHY communication using standard Media Independent Interface timing and signal levels. |
| USB_DP/USB_DM (Balls P3/P4) | USB differential pair | Full-speed (12 Mbps) or low-speed (1.5 Mbps) USB 2.0 interface; requires 90 Ω differential impedance trace routing and series termination. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Security Engine | Offloads IPsec/SSL crypto operations at line rate via dedicated AESU, DEU, and MDEU units - eliminates CPU bottlenecks in encrypted VPN gateways. |
| UTOPIA L2 Interface | Supports full-duplex master/slave ATM traffic with FIFO buffering and multi-PHY capability - enables direct connection to ADSL/SHDSL line cards without external glue logic. |
| Dual Fast Ethernet Controllers | Independent MII/RMII interfaces allow simultaneous WAN/LAN routing with hardware-assisted checksum offload and VLAN tagging - reduces software overhead in residential gateways. |
| Communications Processor Module (CPM) | 8 KB dual-port RAM and RISC controller handle serial protocols (HDLC, UART, IrDA) autonomously - frees main CPU for application-layer tasks in protocol-converged systems. |
| Memory Controller | Eight-bank DRAM/SRAM/Flash controller with dynamic bus sizing and programmable wait states - simplifies migration between memory technologies in cost-sensitive CPE designs. |
Applications
| DSL Access Multiplexer (DSLAM) | Secure Enterprise Edge Router |
|---|---|
Use Scenario: Aggregating multiple ADSL lines into a high-speed ATM backbone using UTOPIA L2 and FEC interfaces. IC Role / Device Role / Timing Role: MPC885VR66 acts as the line card controller, managing ATM cell segmentation/reassembly, OAM monitoring, and MII-based upstream Ethernet bridging. Use Value: Integrated UTOPIA L2 and dual FEC eliminate external PHYs and switch fabric, reducing BOM cost and board area by 35% versus discrete solutions. | Use Scenario: Enforcing IPsec policies and SSL inspection at the corporate perimeter with concurrent 10/100 Mbps LAN/WAN throughput. IC Role / Device Role / Timing Role: MPC885VR66 serves as the crypto-accelerated forwarding engine, executing AES-256 encryption and SHA-256 authentication in hardware while running Linux routing stack. Use Value: Hardware security engine delivers 45 Mbps IPsec throughput at <5% CPU utilization, enabling real-time threat inspection without latency spikes. |
| Residential Gateway (RGW) | Industrial Protocol Converter |
Use Scenario: Providing Wi-Fi, VoIP, and USB storage sharing in a single-box home router with DSL or cable WAN uplink. IC Role / Device Role / Timing Role: MPC885VR66 functions as the system-on-chip hub, coordinating USB host (for 3G dongles or NAS drives), FEC (for LAN switch), and SMC (for DECT baseband). Use Value: Integrated USB 2.0 host/function and dual FEC enable feature-rich RGWs with zero external USB or Ethernet controllers, cutting component count by 7 parts. | Use Scenario: Bridging Modbus RTU fieldbus to TCP/IP networks in SCADA systems with deterministic timing and secure remote access. IC Role / Device Role / Timing Role: MPC885VR66 operates as a protocol translation gateway, using SCCs for RS-485 Modbus and FEC for Ethernet/IP, with AES-128 securing remote maintenance sessions. Use Value: On-chip crypto acceleration and dual Ethernet ports allow secure, low-latency protocol conversion without adding external security modules or switches. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC885VR80 | 80 MHz core frequency; supports both 1:1 and 2:1 bus modes; identical peripheral set and package. | Higher throughput for packet classification and deep packet inspection; marginally higher power (430 mW typical vs. 310 mW). | Select MPC885VR80 when application requires >66 MHz deterministic processing headroom for future firmware expansion. |
| MPC885VR133 | 133 MHz core; 2:1 bus mode only; same security engine and I/O features; identical pinout and thermal profile. | Enables wire-speed IP forwarding at 100 Mbps with full crypto; requires careful thermal management due to 495 mW max power dissipation. | Choose MPC885VR133 for high-performance edge routing where latency-critical crypto offload justifies added thermal design complexity. |
Compared with MPC885VR66, the MPC885VR80 offers 20% higher core speed within identical power and thermal envelopes, while the MPC885VR133 doubles throughput at the cost of stricter power sequencing and heatsink requirements - making MPC885VR66 the optimal balance of performance, power efficiency, and design simplicity for mid-tier networking gear.
Availability
MPC885VR66 is available at Aetrix Electronics and suitable for DSLAM line cards, secure enterprise edge routers, residential gateways, and industrial protocol converters requiring stable component supply across extended product lifecycles.
Supply support for MPC885VR66 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 MPC885VR66 belongs to the PowerQUICC II family, engineered specifically for cost-sensitive, high-reliability communications infrastructure requiring integrated networking peripherals, real-time determinism, and hardware-accelerated security - targeting DSL, enterprise routing, and industrial protocol gateway applications.
FAQ
What is the maximum operating junction temperature for the MPC885VR66?
The MPC885VR66 is rated for a maximum junction temperature (TJ) of 100°C under extended temperature conditions. This specification is validated per JEDEC JESD51-2 thermal characterization and requires adherence to the recommended four-layer PCB layout with thermal vias to ground plane. Exceeding this limit risks permanent degradation of the embedded MMU and cache coherency logic, particularly during sustained crypto-engine operation.
Does the MPC885VR66 support USB host functionality for external peripherals?
Yes, the MPC885VR66 supports full USB 2.0 host controller functionality, enabling connection of keyboards, storage devices, or 3G modems. Its USB interface provides control, bulk, interrupt, and isochronous transfer types at both 12 Mbps (full-speed) and 1.5 Mbps (low-speed), with automatic preamble generation and CRC16 checking. The USB host mode is fully compatible with standard USB 2.0 hubs and does not require external transceivers.
How does the security engine in the MPC885VR66 accelerate IPsec processing?
The MPC885VR66 security engine accelerates IPsec through dedicated hardware units: the AESU handles AES-128/192/256 encryption/decryption in ECB/CBC/counter modes; the DEU executes DES/3DES; and the MDEU computes SHA-1/256 and MD5 hashes. These units operate independently of the CPU, allowing concurrent crypto operations on multiple tunnels at line rate - achieving up to 45 Mbps IPsec throughput with <5% CPU utilization in typical gateway configurations.
What are the power sequencing requirements for the MPC885VR66?
The MPC885VR66 requires strict voltage sequencing: VDDL (core) must never exceed VDDH (I/O) during power-up or power-down, and both must remain within 1.7–1.9 V (VDDL/VDDSYN) and 3.135–3.465 V (VDDH). Violating this causes forward biasing of ESD protection diodes, risking latch-up. A recommended solution uses MUR420 Schottky diodes on power rails to enforce the VDDL ≤ VDDH constraint, as detailed in Freescale's MPC885EC Rev. 7 Section 8.
Can the MPC885VR66 operate in both 1:1 and 2:1 bus timing modes?
No, the MPC885VR66 is factory-configured for 66 MHz core operation and supports only the 1:1 bus timing mode, where CPU and external bus frequencies are equal. While the MPC885 family datasheet notes that 66 MHz cores *can* support both modes, the VR66 speed grade is explicitly qualified and tested for 1:1 operation only. Attempting 2:1 mode would violate AC timing specifications and cause undefined behavior in memory controller and peripheral interfaces.
MPC885VR66 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 357-BBGA
- Series:
- MPC8xx
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Core Processor:
- MPC8xx
- Number of Cores/Bus Width:
- 1 Core, 32-Bit
- Speed:
- 66MHz
- Co-Processors/DSP:
- Communications; CPM, Security; SEC
- RAM Controllers:
- DRAM
- Graphics Acceleration:
- No
- Display & Interface Controllers:
- -
- Ethernet:
- 10Mbps (3), 10/100Mbps (2)
- SATA:
- -
- USB:
- USB 2.0 (1)
- Voltage - I/O:
- 3.3V
- Operating Temperature:
- 0°C ~ 95°C (TA)
- Grade:
- -
- Qualification:
- -
- Security Features:
- Cryptography
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 357-PBGA (25x25)
- Additional Interfaces:
- HDLC/SDLC, I2C, IrDA, PCMCIA, SPI, TDM, UART/USART
MPC885VR66 FAQ
1.How can I place an order for MPC885VR66 through Aetrix?
Please submit a Request for Quotation (RFQ) for MPC885VR66 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 MPC885VR66 reliable?
The price and inventory of MPC885VR66 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPC885VR66 is usually 5 days.
3.What payment methods are accepted for MPC885VR66?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPC885VR66 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPC885VR66?
MPC885VR66 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPC885VR66 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 MPC885VR66?
For technical support, including MPC885VR66 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPC885VR66 requirements.
6.How does Aetrix verify that MPC885VR66 is sourced from the original manufacturer or authorized distributors?
All MPC885VR66 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 MPC885VR66 meets industry standards.
7.What is the process for return or replacement of MPC885VR66?
All MPC885VR66 units undergo pre-shipment inspection (PSI). If there is an issue with MPC885VR66, 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 MPC885VR66 part is unused and in its original packaging.
Return procedure for MPC885VR66:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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