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NXP Semiconductors MPC870VR66
- Part No.:
- MPC870VR66
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 256-BBGA
- Datasheet:
-
MPC870VR66.pdf
- Description:
- IC MPU MPC8XX 66MHZ 256BGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,631
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Product details
Overview
MPC870VR66 from Freescale Semiconductor is a 32-bit Power Architecture™-based integrated microprocessor with dual Fast Ethernet controllers, 8-Kbyte instruction and data caches, and 1.8-V core / 3.3-V I/O operation - designed for embedded networking and communications controller applications requiring deterministic real-time packet processing.
For engineers reviewing the MPC870VR66 datasheet, MPC870VR66 pinout, MPC870VR66 application, or MPC870VR66 equivalent, key selection criteria include its 66 MHz core frequency (1:1 bus mode), dual 10/100 Mbps FECs with MII/RMII support, absence of security engine, and PBGA-256 package compatibility with industrial temperature range (–40°C to +100°C junction).
Technical Context
The MPC870VR66 integrates an MPC8xx core, System Integration Unit (SIU), and Communications Processor Module (CPM) on a unified 32-bit internal bus. It supports 66 MHz core operation in both 1:1 and 2:1 bus modes, with memory controller supporting up to eight banks, dynamic bus sizing (8/16/32-bit), and glueless interfacing to DRAM, SRAM, Flash, and EPROM.
Its CPM includes 8-Kbyte dual-port RAM, four baud-rate generators, SCCs for HDLC/UART/IrDA/BISYNC, and SMCs for low-speed management; USB 2.0 full-/low-speed functionality operates as host, function, or loopback diagnostic endpoint - all without integrated crypto acceleration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Frequency | 66 MHz - enables 1:1 bus timing with external 66 MHz interface, suitable for deterministic Ethernet frame handling without bus wait-state penalties. |
| Cache | 8-Kbyte instruction + 8-Kbyte data cache - two-way set-associative with LRU replacement and lockable blocks, reducing memory latency for real-time protocol stacks. |
| FEC Interfaces | Two 10/100 Mbps Fast Ethernet Controllers - support IEEE 802.3 CSMA/CD via MII or RMII, enabling dual LAN ports or redundant network links. |
| Power Supply | 1.8 V core (VDDL), 3.3 V I/O (VDDH), 1.8 V PLL (VDDSYN) - requires strict voltage sequencing to prevent ESD diode conduction during power-up/down. |
| Operating Temperature | –40°C to +100°C junction - validated for extended industrial environments without derating, supported by RθJB = 20°C/W thermal path to PCB. |
| Package | 256-ball PBGA (17 mm × 17 mm, 1.0 mm pitch) - surface-mount compatible with standard reflow profiles and four-layer board layout requirements. |
| Security Engine | Not present - distinguishes MPC870VR66 from MPC875; eliminates crypto offload but reduces power, die area, and BOM cost for non-IPsec applications. |
Pinout & Package
Package: 256-ball Plastic Ball Grid Array (PBGA), 17 mm × 17 mm, 1.0 mm ball pitch, RoHS-compliant. Thermal pad exposed on underside for PCB-level heat conduction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDL | Core power supply | 1.8 V ±0.1 V input; must ramp no faster than VDDH and remain within 100 mV of VDDSYN to avoid latch-up. |
| VDDH | I/O power supply | 3.3 V ±3.5% input; powers all digital I/O including 5-V tolerant pins (PA[0:15], PB[14:31], etc.) with 2.5 V max overvoltage margin. |
| HRESET | Hardware reset input | Active-low asynchronous reset; must be held low ≥100 µs after power stabilization; drives SIU reset controller and CPM initialization. |
| CLKIN / EXTAL | External clock reference | Accepts 10–50 MHz crystal or oscillator input; feeds PLL to generate core/bus clocks; VIHC = 0.7×VDDH min ensures reliable startup. |
| MII1_TXD[0:3] | FEC1 transmit data | 4-bit MII transmit bus; driven at 25 MHz for 100 Mbps; requires controlled-impedance routing (50 Ω) and ≤6-inch trace length to suppress reflections. |
| TSIZ0 / REG | Memory bank size select | Configures DRAM bank 0 size (32 KB–256 MB); active during boot; determines address decode window for boot ROM or flash mapping. |
Key Features
| Feature | Design Value |
|---|---|
| Dual Fast Ethernet Controllers | Independent 10/100 Mbps FECs with MII/RMII support enable simultaneous WAN/LAN bridging or failover routing without external PHY arbitration logic. |
| CPM with Dual-Port RAM | 8-Kbyte on-chip dual-port RAM allows concurrent CPU and CPM access - critical for zero-copy packet buffering in real-time TCP/IP stacks. |
| Four Programmable Timers | Four 16-bit or two 32-bit timers with gate control and interrupt masking support precise time-triggered tasks (e.g., watchdog timeout, periodic stats polling). |
| USB 2.0 Host/Function Mode | Full-/low-speed USB interface supports embedded host control of peripherals (e.g., serial adapters) or device-mode firmware updates via standard USB cable. |
| Memory Controller Flexibility | Eight programmable banks with per-bank wait states (0–30), CAS/WE line control, and boot-CS options simplify migration across DRAM/SRAM/Flash generations. |
Applications
| Industrial Ethernet Gateway | Network Attached Storage Controller |
|---|---|
|
Use Scenario: Protocol translation between Modbus TCP and EtherNet/IP in factory automation systems. IC Role / Device Role / Timing Role: Primary processor executing real-time Linux with dual FECs handling concurrent industrial protocol stacks and deterministic packet scheduling. Use Value: 66 MHz core + dual FECs eliminate need for external switch ICs, reducing latency and component count in compact DIN-rail mounted gateways. |
Use Scenario: Embedded NAS appliance managing RAID 1/5 arrays with SMB/CIFS and FTP services. IC Role / Device Role / Timing Role: Central controller running lightweight OS, coordinating SATA storage, USB mass storage, and dual Ethernet interfaces for LAN/WAN traffic separation. Use Value: Integrated USB 2.0 host + dual FECs enable direct connection of backup drives and simultaneous LAN/WAN file transfers without PCIe bridge or external MACs. |
| VoIP Media Gateway | Wireless Access Point Controller |
|
Use Scenario: SIP-based voice gateway converting analog FXS/FXO lines to VoIP packets over broadband. IC Role / Device Role / Timing Role: Real-time DSP host using CPM timers and SCCs for TDM channel framing and jitter buffer management. Use Value: 8-Kbyte caches and 66 MHz core sustain G.711/G.729 codec execution while FECs handle VoIP signaling and media streams with <10 ms end-to-end latency. |
Use Scenario: 802.11b/g AP controller managing multiple SSIDs, WPA2 encryption, and QoS for small office deployments. IC Role / Device Role / Timing Role: Baseband processor interfacing with Wi-Fi radio via SPI/SMC, using FECs for upstream internet connectivity and local client bridging. Use Value: Dual FECs allow dedicated WAN uplink and LAN-side client traffic isolation, while USB 2.0 supports firmware updates via flash drive without network dependency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar embedded communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC875VR66 | Includes hardware security engine (AESU/DEU/MDEU), identical core/cache/peripherals except crypto acceleration. | Required for IPsec/SSL offload in firewall or VPN gateway designs; adds ~150 mW typical power and larger die area. | Select MPC875VR66 only if cryptographic acceleration is mandatory; otherwise MPC870VR66 offers lower cost and power for non-secure routing. |
| MPC885CZQ80B | Higher 80 MHz core, integrated DDR controller, USB 2.0 OTG, but no PCMCIA interface and different pinout. | Better suited for bandwidth-intensive applications (e.g., video streaming gateways); lacks PCMCIA support needed for legacy modem cards. | MPC885CZQ80B provides higher throughput but requires PCB redesign; MPC870VR66 maintains legacy PCMCIA and simpler power sequencing. |
Compared with MPC875VR66, MPC870VR66 removes crypto hardware to reduce cost and power, making it optimal for non-encrypted control-plane applications; versus MPC885CZQ80B, it trades higher clock speed and DDR support for proven PCMCIA compatibility and lower thermal design complexity.
Availability
MPC870VR66 is available at Aetrix Electronics and suitable for industrial Ethernet gateways, network-attached storage controllers, and VoIP media gateways requiring stable component supply across long-lifecycle embedded programs.
Supply support for MPC870VR66 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 MPC870VR66 belongs to the PowerQUICC™ family - designed specifically for cost-sensitive, real-time communications controllers where integrated FECs, CPM offload, and flexible memory interfacing outweigh the need for cryptographic acceleration.
FAQ
What is the maximum operating frequency of the MPC870VR66 core and bus?
The MPC870VR66 supports a maximum core frequency of 66 MHz in 1:1 bus mode, meaning the external bus also runs at 66 MHz. This configuration avoids wait states for synchronous memory access and is validated for stable operation across the full industrial temperature range (–40°C to +100°C junction). The MPC870VR66 does not support 133 MHz operation - that capability is exclusive to the MPC875 variant in 2:1 mode.
Does the MPC870VR66 include a hardware security engine?
No, the MPC870VR66 does not include a hardware security engine. Unlike the MPC875VR66, which integrates AESU, DEU, and MDEU crypto accelerators, the MPC870VR66 omits this block entirely. This simplifies power sequencing, reduces thermal load (~150 mW saved), and lowers unit cost - making it appropriate for applications such as industrial gateways or NAS controllers where IPsec/SSL offload is handled in software or omitted.
What package type and thermal characteristics apply to the MPC870VR66?
The MPC870VR66 uses a 256-ball PBGA package (17 mm × 17 mm, 1.0 mm pitch) with an exposed thermal pad. Its thermal resistance is characterized as RθJB = 20°C/W (junction-to-board) and RθJC = 10°C/W (junction-to-case), enabling effective heat dissipation through the PCB ground plane when using a 2s2p board with thermal vias under the pad. Maximum junction temperature is rated at +100°C for extended industrial operation.
Which Ethernet interfaces does the MPC870VR66 support, and how are they implemented?
The MPC870VR66 integrates two independent Fast Ethernet Controllers (FECs), each compliant with IEEE 802.3 10/100 Mbps CSMA/CD. They support both MII (25 MHz, 14-signal interface) and RMII (50 MHz, 7-signal interface) physical layer connections. Each FEC has dedicated TX/RX data, control, and clock signals routed to separate ball groups on the PBGA, allowing simultaneous operation without resource contention - ideal for WAN/LAN separation or redundant link configurations.
How does the MPC870VR66 handle USB connectivity, and what modes are supported?
The MPC870VR66 supports USB 2.0 full-speed (12 Mbps) and low-speed (1.5 Mbps) operation in three functional modes: USB device (function endpoint), USB host controller, and loopback diagnostic mode. As a device, it implements four endpoints (control, bulk, interrupt, isochronous) with automatic CRC16/NRZI handling. As a host, it manages control/bulk/interrupt/isochronous transfers and supports local loopback only at 12 Mbps - enabling firmware validation without external USB peripherals.
MPC870VR66 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 256-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
- RAM Controllers:
- DRAM
- Graphics Acceleration:
- No
- Display & Interface Controllers:
- -
- Ethernet:
- 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:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 256-PBGA (23x23)
- Additional Interfaces:
- I2C, PCMCIA, SPI, TDM, UART
MPC870VR66 FAQ
1.How can I place an order for MPC870VR66 through Aetrix?
Please submit a Request for Quotation (RFQ) for MPC870VR66 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 MPC870VR66 reliable?
The price and inventory of MPC870VR66 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPC870VR66 is usually 5 days.
3.What payment methods are accepted for MPC870VR66?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPC870VR66 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPC870VR66?
MPC870VR66 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPC870VR66 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 MPC870VR66?
For technical support, including MPC870VR66 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPC870VR66 requirements.
6.How does Aetrix verify that MPC870VR66 is sourced from the original manufacturer or authorized distributors?
All MPC870VR66 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 MPC870VR66 meets industry standards.
7.What is the process for return or replacement of MPC870VR66?
All MPC870VR66 units undergo pre-shipment inspection (PSI). If there is an issue with MPC870VR66, 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 MPC870VR66 part is unused and in its original packaging.
Return procedure for MPC870VR66:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MPC870VR66 Tags
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