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NXP Semiconductors MPC860DECZQ50D4
- Part No.:
- MPC860DECZQ50D4
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 357-BBGA
- Datasheet:
-
MPC860DECZQ50D4.pdf
- Description:
- IC MPU MPC8XX 50MHZ 357BGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,669
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Product details
Overview
MPC860DECZQ50D4 from NXP Semiconductors (formerly Freescale) is a PowerQUICC™ integrated communications controller combining a 32-bit Power Architecture™ CPU core with a dedicated RISC communications processor module (CPM), 4 KB instruction/4 KB data cache, 10/100 Mbps Ethernet MAC, and four serial communications controllers (SCCs). It operates at up to 50 MHz with 3.3 V supply and is packaged in a 357-pin PBGA (ZQ package). It targets embedded networking control in industrial gateways and telecom edge devices.
For engineers reviewing the MPC860DECZQ50D4 datasheet, MPC860DECZQ50D4 pinout, MPC860DECZQ50D4 application, or MPC860DECZQ50D4 equivalent, key selection criteria include its dual-core architecture (CPU + CPM), IEEE 802.3u-compliant Ethernet support, UTOPIA-level ATM capability, 32-bit multiplexed bus interface, and extended temperature operation (–40°C to 95°C junction).
Technical Context
The MPC860DECZQ50D4 implements a split-processor architecture: a 32-bit Power Architecture™ CPU core with MMU, instruction/data caches, and branch prediction handles general-purpose tasks, while the independent CPM offloads protocol processing (HDLC, UART, BISYNC, IrDA, AppleTalk) and serial I/O management. The CPM includes 8 KB dual-port RAM and 16 SDMA channels.
Its memory subsystem supports eight banks with dynamic bus sizing (8/16/32-bit), programmable wait states (up to 15 per bank), and glueless interfacing to DRAM, SRAM, Flash, and EPROM. Clock synthesis enables flexible system timing, and the SIU integrates PIT, RTC, watchdog, and JTAG debug support.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 32-bit Power Architecture™ with MMU, 32 GPRs, branch prediction, and conditional prefetch |
| Max Frequency | 50 MHz system clock; bus runs at same speed (1:1 mode) |
| Cache | 4 KB instruction cache (2-way set-associative, 128 sets) + 4 KB data cache (2-way set-associative, 128 sets) |
| Ethernet | IEEE 802.3u-compliant 10/100 Mbps MAC on SCC1–SCC4; full-duplex operation supported |
| Serial Interfaces | 4 × SCCs (HDLC/SDLC/UART/IrDA/BISYNC), 2 × SMCs, 1 × SPI, 1 × I²C, 1 × TSA |
| Power Supply | 3.135–3.465 V for >40 MHz operation; 3.0–3.6 V for ≤40 MHz; 3.3 V nominal |
| Thermal Rating | Junction temperature max 95°C; extended temperature grade (–40°C to 95°C TJ) |
| Package | 357-pin Plastic Ball Grid Array (PBGA), ZQ package code, 25 mm × 25 mm, 1.27 mm pitch |
Pinout & Package
The MPC860DECZQ50D4 is housed in a 357-pin PBGA (ZQ package), 25 mm × 25 mm body, 1.27 mm ball pitch, with thermal pad exposed on underside for board-level heat conduction. Pin functions are defined across eight functional groups: address/data bus (A0–A31, D0–D31), control signals (RD/WR, TS, TA, TEA, CS0–CS7), clock/reset (EXTAL, EXTCLK, CLKOUT, HRESET), serial I/O (TXD1/RXD1, TXD2/RXD2, SCC/SMC pins), CPM peripherals (I²CSDA/I²CSCL, SPISEL/SPICLK), power (VDDH/VDDL/KAPWR/VDDSYN), ground (GND), and special function (JTAG TMS/TCK/TDO/TDI, RTC, PIT).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A31 | Address Bus | 32-bit multiplexed address output; supports dynamic bus sizing and eight-bank memory mapping |
| D0–D31 | Data Bus | 32-bit bidirectional data path; compatible with 8/16/32-bit memory and peripheral interfaces |
| RD/WR/TS/TA/TEA | Bus Control | Asynchronous read/write strobes with chip select timing; enables glueless connection to SRAM/Flash/DRAM |
| EXTAL/EXTCLK | External Clock Input | Differential or single-ended crystal/reference clock input; supports 5 V tolerant operation with voltage clamping |
| I²CSDA/I²CSCL | I²C Interface | Open-drain bidirectional serial bus for low-speed device configuration and monitoring (e.g., EEPROM, PMIC) |
| TMS/TCK/TDO/TDI | JTAG Debug Port | IEEE 1149.1-compliant test access port for boundary scan, emulation, and real-time debugging |
Key Features
| Feature | Design Value |
|---|---|
| Dual-Processor Architecture | CPU core handles OS and application logic; CPM independently manages serial protocols (HDLC, UART, PPP) without CPU intervention |
| Integrated Ethernet MAC | Full IEEE 802.3u 10/100 Mbps support on SCC channels; eliminates need for external PHY interface logic |
| Flexible Memory Controller | Eight programmable banks with per-bank wait-state control, CAS/WE line assignment, and boot-CS selection for secure startup |
| Low-Power Operating Modes | Five modes (Full On, Doze, Sleep, Deep Sleep, Power Down) enable dynamic power scaling based on real-time traffic load |
| Hardware Debug Support | Eight hardware watchpoint comparators (4 instruction, 2 data address, 2 data value) for non-intrusive breakpoint insertion and trace |
| UTOPIA-Level ATM Support | Cell-level handshake, multi-PHY support (up to 4 framers), AAL0/AAL5 per-VC processing, and APC scheduler for CBR/UBR traffic shaping |
Applications
| Industrial Protocol Gateway | DSL Access Multiplexer (DSLAM) Edge Node |
|---|---|
Use Scenario: Aggregating Modbus RTU, Profibus DP, and CANopen fieldbus traffic into IP-based backhaul networks. IC Role / Device Role / Timing Role: MPC860DECZQ50D4 acts as protocol translation engine and packet forwarding unit, using CPM for serial framing and CPU for TCP/IP stack execution. Use Value: Enables deterministic latency (<50 µs serial-to-IP conversion) and concurrent handling of ≥4 serial protocols via dedicated SCCs and SDMA channels. | Use Scenario: Providing T1/E1 line termination, ATM cell segmentation/reassembly, and QoS-aware traffic classification in DSLAM shelf controllers. IC Role / Device Role / Timing Role: MPC860DECZQ50D4 serves as line interface controller and ATM segmentation engine, leveraging UTOPIA interface and APC scheduler for CBR/UBR service classes. Use Value: Delivers 50–70 Mbps cell processing throughput at 50 MHz clock, supporting up to 256 concurrent PVCs with hardware-accelerated AAL5 CRC generation. |
| Secure Remote Terminal Unit (RTU) | Legacy Telecom Signaling Gateway |
Use Scenario: Deployed in oil/gas SCADA systems requiring tamper-resistant firmware, watchdog supervision, and dual-redundant serial telemetry links. IC Role / Device Role / Timing Role: MPC860DECZQ50D4 functions as secure host controller with real-time clock, hardware watchdog, and encrypted boot ROM interface via KAPWR-supervised power-down mode. Use Value: Guarantees fail-safe reset response (<10 ms) and maintains RTC accuracy during brownouts using KAPWR-backed power domain. | Use Scenario: Bridging SS7 MTP2 signaling over IP networks by converting TDM-based ISDN PRI/BRI frames to SIP or SIGTRAN packets. IC Role / Device Role / Timing Role: MPC860DECZQ50D4 performs time-slot assignment (TSA), HDLC framing, and serial-to-parallel conversion for E1/T1 lines using SCCs and TSA routing matrix. Use Value: Supports 32-channel TDM highway with 1-bit or 8-bit slot resolution, enabling precise alignment of CAS/CCS signaling bits across 30+ voice channels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar integrated communications controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC860DPZQ50D4 | 16 KB instruction cache + 8 KB data cache vs. 4 KB/4 KB; identical pinout and peripheral set | Better suited for complex RTOS environments requiring larger instruction footprint and reduced cache miss penalty | Select MPC860DPZQ50D4 when running Linux or VxWorks with large kernel image and multiple drivers loaded into RAM |
| MPC855TZQ50D4 | Single SCC (vs. four), no ATM/UTOPIA, adds PCI interface; shares CPU core, cache size, and package | Targeted at PCI-based embedded control where serial protocol density is lower but expansion bus bandwidth is critical | Choose MPC855TZQ50D4 for applications needing PCI add-in card compatibility and simplified serial I/O requirements |
Compared with MPC860DECZQ50D4, MPC860DPZQ50D4 offers higher cache capacity for demanding software stacks, while MPC855TZQ50D4 trades serial flexibility for PCI connectivity-neither is pin-compatible with MPC860DECZQ50D4 due to differing peripheral signal allocations despite shared ZQ package footprint.
Availability
MPC860DECZQ50D4 is available at Aetrix Electronics and suitable for industrial protocol gateways, DSLAM edge nodes, secure RTUs, telecom signaling gateways, and legacy network infrastructure upgrades requiring stable component supply and long-term lifecycle support.
Supply support for MPC860DECZQ50D4 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 communication markets.
The MPC860DECZQ50D4 belongs to the PowerQUICC™ family, designed specifically for cost-sensitive, high-integration embedded communications controllers requiring simultaneous serial protocol handling, Ethernet bridging, and real-time deterministic response in space-constrained platforms.
FAQ
What is the maximum operating frequency of the MPC860DECZQ50D4?
The MPC860DECZQ50D4 is rated for a maximum system clock frequency of 50 MHz in 1:1 mode (CPU and bus running at same speed). Its internal PLL supports this frequency with stable operation under specified voltage (3.135–3.465 V) and thermal (TJ ≤ 95°C) conditions. Higher-frequency variants like the MPC860T run at 66 MHz or 80 MHz, but MPC860DECZQ50D4 is factory-configured and characterized for 50 MHz operation only.
Does the MPC860DECZQ50D4 support IEEE 802.3u 100 Mbps Ethernet?
Yes, the MPC860DECZQ50D4 supports full IEEE 802.3u-compliant 10/100 Mbps Ethernet via its integrated MAC on SCC1–SCC4. It implements all required frame formatting, CRC generation/checking, and flow control logic. However, it requires an external PHY device (e.g., DP83847) for physical layer signaling; the MPC860DECZQ50D4 itself does not include MII transceivers on-die.
What package type and pin count does the MPC860DECZQ50D4 use?
The MPC860DECZQ50D4 uses a 357-pin Plastic Ball Grid Array (PBGA) package with ZQ designation (case number 5058), measuring 25 mm × 25 mm with 1.27 mm ball pitch. This package includes an exposed thermal pad on the underside for enhanced heat dissipation and is RoHS-compliant. Pin assignments match the standard MPC860 family layout defined in Freescale's Hardware Specifications Rev. 10.
How does the CPM (Communications Processor Module) in the MPC860DECZQ50D4 reduce CPU overhead?
The CPM in the MPC860DECZQ50D4 operates as a fully autonomous RISC co-processor with its own 8 KB dual-port RAM and 16 SDMA channels. It handles serial protocol framing (HDLC, UART, BISYNC), CRC calculation, and DMA transfers without CPU intervention-freeing the main Power Architecture™ core for application-layer tasks. This separation reduces CPU interrupt load by >70% in multi-protocol gateway applications.
Is the MPC860DECZQ50D4 suitable for extended temperature applications?
Yes, the MPC860DECZQ50D4 is qualified for extended temperature operation with a guaranteed junction temperature range of –40°C to 95°C. This rating is confirmed in Table 2 (Maximum Tolerated Ratings) and applies to the ZQ package variant. It supports industrial and outdoor telecom deployments where ambient temperatures exceed commercial-grade limits, provided board-level thermal design meets RθJB ≤ 13°C/W per JEDEC JESD51-8.
MPC860DECZQ50D4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 357-BBGA
- Series:
- MPC8xx
- Packaging:
- Tray
- Product Status:
- Obsolete
- Core Processor:
- MPC8xx
- Number of Cores/Bus Width:
- 1 Core, 32-Bit
- Speed:
- 50MHz
- Co-Processors/DSP:
- Communications; CPM
- RAM Controllers:
- DRAM
- Graphics Acceleration:
- No
- Display & Interface Controllers:
- -
- Ethernet:
- 10Mbps (2)
- SATA:
- -
- USB:
- -
- Voltage - I/O:
- 3.3V
- Operating Temperature:
- -40°C ~ 95°C (TA)
- Grade:
- -
- Qualification:
- -
- Security Features:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 357-PBGA (25x25)
- Additional Interfaces:
- I2C, IrDA, PCMCIA, SPI, TDM, UART/USART
MPC860DECZQ50D4 FAQ
1.How can I place an order for MPC860DECZQ50D4 through Aetrix?
Please submit a Request for Quotation (RFQ) for MPC860DECZQ50D4 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 MPC860DECZQ50D4 reliable?
The price and inventory of MPC860DECZQ50D4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPC860DECZQ50D4 is usually 5 days.
3.What payment methods are accepted for MPC860DECZQ50D4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPC860DECZQ50D4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPC860DECZQ50D4?
MPC860DECZQ50D4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPC860DECZQ50D4 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 MPC860DECZQ50D4?
For technical support, including MPC860DECZQ50D4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPC860DECZQ50D4 requirements.
6.How does Aetrix verify that MPC860DECZQ50D4 is sourced from the original manufacturer or authorized distributors?
All MPC860DECZQ50D4 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 MPC860DECZQ50D4 meets industry standards.
7.What is the process for return or replacement of MPC860DECZQ50D4?
All MPC860DECZQ50D4 units undergo pre-shipment inspection (PSI). If there is an issue with MPC860DECZQ50D4, 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 MPC860DECZQ50D4 part is unused and in its original packaging.
Return procedure for MPC860DECZQ50D4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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