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NXP Semiconductors MPC885VR66-NXP
- Part No.:
- MPC885VR66-NXP
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 357-BBGA
- Datasheet:
-
MPC885VR66-NXP.pdf
- Description:
- IC MPU MPC8XX 66MHZ 357BGA
- Quantity:
- Payment:
- Shipping:
Inventory:264
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Product details
Overview
MPC885VR66-NXP from NXP Semiconductors (formerly Freescale) is a Power Architecture™-based integrated communications processor combining a 66 MHz MPC8xx core, dual 10/100 Fast Ethernet controllers (FEC), USB 2.0 full-/low-speed host/function interface, UTOPIA L1/L2-compliant ATM interface, serial communication controllers (SCCs), security engine with AES/DES/SHA acceleration, and 8 KB instruction + 8 KB data caches. It targets embedded networking gateways, DSLAMs, and secure edge routers requiring deterministic real-time packet processing.
For engineers reviewing the MPC885VR66-NXP datasheet, MPC885VR66-NXP pinout, MPC885VR66-NXP application, or MPC885VR66-NXP 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, 357-pin PBGA package, IEEE 1149.1 JTAG debug support, and hardware-accelerated IPsec/SSL offload capability.
Technical Context
The MPC885VR66-NXP implements a single-issue 32-bit Power Architecture™ core with MMU, two-way set-associative 8 KB instruction and 8 KB data caches, and 32-entry fully associative TLBs supporting 4/16/512 KB and 8 MB page sizes. Its CPM includes an 8 KB dual-port RAM, four baud rate generators, and RISC-based channel controllers for SCC/SMC peripherals.
Hardware acceleration is provided by a dedicated security engine comprising DEU (DES/3DES), AESU (AES-128/192/256), and MDEU (SHA-1/256, MD5, HMAC), each with 256-byte buffers and crypto-channel descriptor chaining. The SIU integrates clock synthesis, PIT, watchdog, reset control, and IEEE 1149.1 TAP controller.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Frequency | 66 MHz - Enables 1:1 bus timing mode for synchronous external memory access without clock domain crossing penalties. |
| Cache Configuration | 8 KB instruction + 8 KB data caches - Two-way set-associative with LRU replacement and per-block locking for deterministic real-time code/data residency. |
| Security Engine | AES-128/192/256, DES/3DES, SHA-1/256, MD5 - Hardware-accelerated crypto offload reduces CPU load for IPsec/SSL/TLS processing in secure gateways. |
| Networking Peripherals | Dual 10/100 FEC + UTOPIA L2 + 3× SCC + 2× SMC - Supports simultaneous MII/RMII Ethernet, serial ATM, HDLC, UART, and GCI for multi-protocol edge routing. |
| I/O Voltage | 1.8 V core (VDDL), 3.3 V I/O (VDDH) - Requires strict power sequencing to prevent ESD diode conduction; 5 V-tolerant pins limited to +2.5 V above VDDH. |
| Thermal Limit | Junction temperature max 95 °C (standard grade) - Validated for industrial ambient operation with RθJA = 37 °C/W on single-layer board. |
| Package | 357-pin PBGA - 27 mm × 27 mm footprint with thermal pad; requires 4-layer PCB with dedicated VDD/GND planes and ≤6-inch trace lengths for signal integrity. |
Pinout & Package
The MPC885VR66-NXP is housed in a 357-ball plastic ball grid array (PBGA) package with exposed thermal pad. Pinout is defined across four peripheral banks (PA–PE), system control (TS, TA, TEA, HRESET), clock (EXTAL, EXTCLK, CLKOUT), JTAG (TCK, TMS, TDI, TDO, TRST), and interface-specific balls (MII1_TXEN, MII_MDIO, UTOPIA_CLK, USB_DP/DN).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| HRESET | Asynchronous hard reset input | Active-low global reset asserting all internal logic; must be held low ≥100 ns after power stabilization for reliable boot sequence initiation. |
| EXTAL | Crystal oscillator input | Drives on-chip PLL; requires 50 MHz fundamental-mode crystal for 66 MHz core derivation via 1.32× multiplier in 1:1 bus mode. |
| MII1_TXEN | FEC1 transmit enable | Controls MII physical layer driver output; synchronized with TXCLK to avoid bus contention during half-duplex Ethernet frame transmission. |
| USB_DP | USB differential data positive | Full-speed (12 Mbps) or low-speed (1.5 Mbps) signaling line; requires 90 Ω differential impedance and series 27 Ω termination per USB 2.0 specification. |
| TMS | JTAG test mode select | Controls state transitions of IEEE 1149.1 TAP controller; sampled on rising TCK edge to enter boundary-scan or debug modes. |
Key Features
| Feature | Design Value |
|---|---|
| UTOPIA L2 interface | Half/full-duplex master/slave operation with FIFO buffering reduces cell transmission latency by up to 40% versus L1 in ATM backplane applications. |
| Security engine crypto-channel | Supports chained descriptors enabling pipelined AES encryption + SHA-256 hashing without CPU intervention for TLS record processing. |
| CPM dual-port RAM | 8 KB on-chip RAM accessible concurrently by core and CPM RISC, eliminating external SRAM for protocol stack buffering in HDLC/PPP implementations. |
| Time-slot assigner (TSA) | Dynamic routing of T1/E1/PCM time slots between SCCs and SMCs enables software-defined ISDN BRI/PRI channel aggregation without FPGA glue logic. |
| USB 2.0 dual-role controller | Simultaneous host/function mode allows embedded diagnostics via loopback testing at 12 Mbps while maintaining device enumeration for firmware updates. |
Applications
| DSL Access Multiplexer | Secure Industrial Firewall |
|---|---|
Use Scenario: Aggregating multiple ADSL lines into a high-throughput IP backbone with QoS-aware traffic shaping. IC Role / Device Role / Timing Role: MPC885VR66-NXP acts as line card controller managing UTOPIA PHY interfaces, FEC-based IP forwarding, and TSA-driven ATM cell multiplexing. Use Value: Integrated UTOPIA L2 and dual FEC eliminate external switch fabric, reducing BOM cost by $4.20 and latency by 1.8 µs per cell. | Use Scenario: Embedded firewall appliance performing deep packet inspection and encrypted tunnel termination for factory-floor OT networks. IC Role / Device Role / Timing Role: MPC885VR66-NXP serves as crypto-accelerated packet processor executing IPsec ESP decryption and stateful inspection in real time. Use Value: Hardware AES-256 and SHA-256 acceleration delivers 45 Mbps encrypted throughput at <5% CPU utilization, enabling deterministic response under 100 µs. |
| Multi-Protocol Router | Telecom Signaling Gateway |
Use Scenario: Edge router supporting simultaneous PPPoE, HDLC, and GCI protocols for legacy telecom infrastructure modernization. IC Role / Device Role / Timing Role: MPC885VR66-NXP functions as protocol convergence engine using SCCs for HDLC framing and SMCs for GCI time-slot management. Use Value: On-chip TSA and CPM dual-port RAM enable zero-copy protocol translation between T1 and Ethernet domains, cutting buffer memory requirements by 64 KB. | Use Scenario: SS7-to-SIP gateway converting legacy circuit-switched signaling to VoIP control plane messages in carrier-grade systems. IC Role / Device Role / Timing Role: MPC885VR66-NXP operates as signaling processor running SS7 MTP3/SCCP stacks with USB-hosted SIP stack co-processing. Use Value: Dual USB roles allow concurrent firmware update via USB device mode while maintaining SIP call control over USB host-connected VoIP codec. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC885VR80-NXP | 80 MHz core frequency; supports both 1:1 and 2:1 bus modes; identical peripheral set and package. | Higher throughput for FEC-heavy applications; requires revised clock tree and power delivery for increased 430 mW typical dissipation. | Select when >66 MHz deterministic packet processing is required and thermal design accommodates higher junction temperature. |
| MPC875VR66-NXP | Omits security engine and second FEC; retains UTOPIA, USB, and SCC/SMC peripherals; same 66 MHz core and 357-pin PBGA. | Cost-optimized for non-encrypted ATM/DSL applications; lacks hardware crypto acceleration and redundant Ethernet path. | Choose for budget-constrained deployments where IPsec offload is unnecessary and single-FEC redundancy suffices. |
Compared with MPC885VR80-NXP, the MPC885VR66-NXP offers lower power and simpler clocking at reduced throughput; compared with MPC875VR66-NXP, it adds critical security acceleration and dual-FEC redundancy essential for carrier-grade secure routing.
Availability
MPC885VR66-NXP is available at Aetrix Electronics and suitable for DSLAM line cards, secure industrial firewalls, multi-protocol edge routers, telecom signaling gateways, and ATM-to-Ethernet bridge designs requiring stable component supply across extended product lifecycles.
Supply support for MPC885VR66-NXP 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 company formed from the spin-off of Philips' semiconductor division, specializing in secure connectivity solutions for automotive, industrial, and networking markets.
The MPC885VR66-NXP belongs to the PowerQUICC family of integrated communications processors designed specifically for cost-sensitive, power-efficient embedded networking applications requiring hardware-accelerated security and multi-protocol interface flexibility.
FAQ
What is the maximum operating junction temperature for the MPC885VR66-NXP?
The MPC885VR66-NXP has a maximum junction temperature (TJ) of 95 °C under standard industrial operating conditions. This rating assumes natural convection cooling on a single-layer board with RθJA = 37 °C/W and typical power dissipation of 310 mW at 66 MHz. Extended temperature variants support TJ up to 100 °C but require validation against thermal derating curves in the MPC885EC Rev. 7 datasheet.
Does the MPC885VR66-NXP support pin-compatible upgrades to higher clock speeds?
No, the MPC885VR66-NXP is not pin-compatible with higher-speed variants like MPC885VR80-NXP despite sharing the same 357-pin PBGA package. While mechanical footprint matches, the VR66 variant uses different PLL configuration settings and power sequencing requirements; upgrading requires firmware revision, clock tree redesign, and thermal validation due to increased 430 mW maximum power dissipation.
How does the security engine in the MPC885VR66-NXP accelerate IPsec processing?
The MPC885VR66-NXP security engine accelerates IPsec processing through dedicated hardware units: the DEU handles DES/3DES encryption/decryption, the AESU performs AES-128/192/256 operations, and the MDEU computes SHA-1/256 and MD5 hashes. These units operate via crypto-channel descriptor chains, enabling concurrent encryption, authentication, and protocol header modification without CPU intervention-delivering 45 Mbps encrypted throughput at <5% core utilization.
Can the MPC885VR66-NXP operate with 5 V-tolerant I/O pins while powered at 3.3 V?
Yes, specific I/O pins on the MPC885VR66-NXP-including PA[0:15], PB[14:31], PC[4:15], PD[3:15], TDI, TDO, TCK, TRST, TMS, MII1_TXEN, and MII_MDIO-are 5 V tolerant. However, they must not exceed VDDH + 2.5 V (i.e., 5.8 V max when VDDH = 3.3 V) during power-up, power-down, or normal operation. Exceeding this violates absolute maximum ratings and risks permanent damage.
What debugging interfaces are supported by the MPC885VR66-NXP?
The MPC885VR66-NXP supports IEEE 1149.1 JTAG boundary-scan via TCK, TMS, TDI, TDO, and TRST pins for structural testing and emulation. It also includes an advanced on-chip emulation debug mode with eight hardware comparators (four instruction address, two data address, two data value) capable of generating internal breakpoints on =, ≠, <, > conditions-enabling precise real-time tracing of cache-coherent memory accesses and CPM register modifications.
MPC885VR66-NXP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 357-BBGA
- Series:
- MPC8xx
- Packaging:
- Bulk
- Product Status:
- Active
- 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-NXP FAQ
1.How can I place an order for MPC885VR66-NXP through Aetrix?
Please submit a Request for Quotation (RFQ) for MPC885VR66-NXP 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-NXP reliable?
The price and inventory of MPC885VR66-NXP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPC885VR66-NXP is usually 5 days.
3.What payment methods are accepted for MPC885VR66-NXP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPC885VR66-NXP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPC885VR66-NXP?
MPC885VR66-NXP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPC885VR66-NXP 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-NXP?
For technical support, including MPC885VR66-NXP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPC885VR66-NXP requirements.
6.How does Aetrix verify that MPC885VR66-NXP is sourced from the original manufacturer or authorized distributors?
All MPC885VR66-NXP 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-NXP meets industry standards.
7.What is the process for return or replacement of MPC885VR66-NXP?
All MPC885VR66-NXP units undergo pre-shipment inspection (PSI). If there is an issue with MPC885VR66-NXP, 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-NXP part is unused and in its original packaging.
Return procedure for MPC885VR66-NXP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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