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NXP Semiconductors MPC860PZQ66D4
- Part No.:
- MPC860PZQ66D4
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 357-BBGA
- Datasheet:
-
MPC860PZQ66D4.pdf
- Description:
- IC MPU MPC8XX 66MHZ 357BGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,496
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Product details
Overview
MPC860PZQ66D4 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), 16 KB instruction cache, 8 KB data cache, and integrated Ethernet, ATM, SCC, SMC, SPI, I²C, and PCMCIA interfaces. It operates at up to 66 MHz and targets embedded networking, telecom access equipment, and industrial gateways requiring deterministic real-time communication offload.
For engineers reviewing the MPC860PZQ66D4 datasheet, MPC860PZQ66D4 pinout, MPC860PZQ66D4 application, or MPC860PZQ66D4 equivalent, key selection criteria include its 357-pin PBGA package, dual-voltage 3.3 V core/I/O operation with 5 V-tolerant inputs, IEEE 802.3u 10/100 Mbps Ethernet support, UTOPIA-level ATM interface, and CPM-based hardware acceleration for HDLC, UART, and transparent serial protocols.
Technical Context
The MPC860PZQ66D4 implements a split-architecture design: a 32-bit Power Architecture CPU core with MMU, instruction/data caches, and branch prediction handles general-purpose tasks and OS execution, while the independent CPM executes time-critical communication protocols-including HDLC, UART, and ATM cell processing-without CPU intervention. Its memory controller supports eight banks with programmable wait states and glueless interfacing to DRAM, SRAM, Flash, and EPROM.
It integrates a system integration unit (SIU) with clock synthesizer, real-time clock, watchdog timer, and JTAG debug interface; four serial communications controllers (SCCs); two serial management channels (SMCs); one SPI; one I²C port; and a time-slot assigner (TSA) for TDM routing. The device supports both 1:1 and 2:1 CPU-to-bus ratios, with maximum bus speed limited to 66 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 32-bit Power Architecture™ with MMU, 32 GPRs, branch prediction, and conditional prefetch |
| Cache | 16 KB instruction cache (4-way set-associative), 8 KB data cache (2-way set-associative) |
| Max Clock Frequency | 66 MHz CPU frequency; bus supports up to 66 MHz in 1:1 mode or 40 MHz in 2:1 mode |
| Memory Interface | 32-bit data bus, 32 address lines, 8-bank memory controller with programmable wait states and glueless DRAM/SRAM/Flash support |
| Communication Peripherals | 4 × SCCs (Ethernet/HDLC/UART/IrDA/BISYNC), 2 × SMCs, 1 × SPI, 1 × I²C, TSA, PCMCIA socket controller |
| ATM Support | UTOPIA-level interface compliant with ATM Forum UNI 4.0; supports AAL0/AAL5, APC scheduler, and 25–155 Mbps framer connectivity |
| Package | 357-pin PBGA (25 mm × 25 mm, 1.27 mm pitch, ZQ package code) |
| Supply Voltage | VDDH/VDDL = 3.135–3.465 V at >40 MHz; 5 V-tolerant I/O except EXTAL/EXTCLK |
Pinout & Package
Package: 357-pin Plastic Ball Grid Array (PBGA), ZQ package code (Case No. 5058, 25 mm × 25 mm, 1.2 mm height, 1.27 mm ball pitch).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDH / VDDL | Core & I/O power supply | Dual 3.3 V supplies; VDDH powers I/O drivers, VDDL powers core logic; each requires local 0.1 µF bypassing |
| EXTAL / EXTCLK | External clock input | Accepts crystal (EXTAL) or buffered clock (EXTCLK); VIHC = 0.7×VDDH to VDDH+0.3 V; critical for PLL stability |
| CLKOUT | Generated system clock output | Buffered derivative of internal PLL clock; 66 MHz max; rise/fall time ≤4 ns; jitter ≤0.6 ns (MF ≤2) |
| A[0:31] / D[0:31] | Address & data bus | Multiplexed 32-bit address/data bus; supports dynamic bus sizing (8/16/32-bit); max trace length 6 inches recommended |
| TS / TA / TEA / BI / BB | Bus control signals | Transfer start, transfer acknowledge, transfer error acknowledge, bus idle, bus busy - define synchronous bus transaction timing |
| SCC1_TXD / SCC1_RXD | Serial channel 1 I/O | Configurable for Ethernet MII, HDLC, UART, or IrDA; driven by CPM; supports full-duplex 10/100 Mbps operation |
| I2CSDA / I2CSCL | I²C interface pins | Open-drain bidirectional data/clock; support master/slave modes; VIL(max) = 0.8 V per device spec |
Key Features
| Feature | Design Value |
|---|---|
| CPM Offload Engine | Dedicated RISC co-processor handles HDLC framing, CRC generation/checking, and serial protocol state machines without CPU cycles |
| Flexible Memory Controller | Eight independent banks with per-bank wait-state programming, boot-CS selection (8/16/32-bit), and write protection enable secure firmware loading |
| IEEE 802.3u Ethernet | Full 10/100 Mbps MAC layer support on SCC1–SCC4; MII interface compatible; no external PHY required for basic link layer |
| UTOPIA ATM Interface | Level-1 master mode with cell-level handshake; supports up to four PHY devices; configurable UTOPIA/system clock ratio (1/2 or 1/3) |
| Low-Power Modes | Five operational states: Full On, Doze (CPM active), Sleep (RTC/PIT only), Deep Sleep (PLL off), Power Down (PLL/RTC/PIT/time base active) |
| JTAG Debug Support | IEEE 1149.1-compliant TAP controller with eight hardware comparators for instruction/data address/data watchpoints |
Applications
| DSL Access Multiplexer (DSLAM) | Industrial Protocol Gateway |
|---|---|
Use Scenario: Aggregates multiple ADSL/T1/E1 lines into a high-speed Ethernet backbone using ATM cell multiplexing and AAL5 segmentation. IC Role / Device Role / Timing Role: MPC860PZQ66D4 acts as line-card controller, performing UTOPIA ATM cell processing, HDLC framing for T1/E1, and packet forwarding via integrated Ethernet MAC. Use Value: Hardware-accelerated AAL5 SAR and CPM-based HDLC reduce CPU load by >70% versus software-only implementations, enabling deterministic sub-100 µs latency for OAM cells. |
Use Scenario: Bridges Modbus RTU, Profibus DP, and CANopen fieldbus networks to an Ethernet/IP or MQTT backbone in factory automation systems. IC Role / Device Role / Timing Role: MPC860PZQ66D4 serves as protocol translation engine: SCCs handle serial fieldbus framing, CPM manages CRC and timing-critical response windows, CPU runs lightweight gateway stack. Use Value: Integrated SCCs with autobaud and hunt-mode support eliminate external UART bridges; dual 32-bit timers synchronize fieldbus polling cycles within ±1 µs accuracy. |
| Secure Remote Terminal Unit (RTU) | Legacy Telecom Node Controller |
Use Scenario: Monitors and controls SCADA assets (valves, sensors, breakers) in oil/gas pipelines with encrypted telemetry over cellular or satellite backhaul. IC Role / Device Role / Timing Role: MPC860PZQ66D4 executes secure boot, AES-128 encryption in software, and real-time I/O scanning using parallel I/O registers and GPIO-interrupt capable pins. Use Value: On-chip RTC, watchdog, and low-power sleep modes enable battery-backed operation with <5 µA deep-sleep current; 3.3 V operation simplifies power design in hazardous locations. |
Use Scenario: Manages T1/E1 line cards in central office switches, performing frame synchronization, bit-error monitoring, and alarm reporting via SNMP over Ethernet. IC Role / Device Role / Timing Role: MPC860PZQ66D4 functions as line-interface controller: SMCs handle T1/E1 TC-layer functions, TSA routes time slots, CPM performs HEC generation/checking. Use Value: Serial-mode ATM and TSA enable simultaneous T1 (24-channel) and E1 (32-channel) support on shared SCC resources; built-in HEC accelerates frame validation by 4× vs. software. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar integrated communications controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC860PZP66D4 | ZP package (0.85 mm mold compound thickness) vs. ZQ (1.15 mm); identical electrical specs and pinout | Lower thermal resistance (RθJA = 34°C/W vs. 34°C/W same, but RθJB = 14°C/W vs. 13°C/W); better board-conducted heat dissipation | Select MPC860PZP66D4 for high-density 2s2p PCBs with aggressive thermal constraints; MPC860PZQ66D4 preferred for standard 4-layer boards with heatsink mounting. |
| MPC855TZQ66D4 | Single SCC (vs. four), no ATM/UTOPIA, reduced CPM RAM (4 KB vs. 8 KB), lower max frequency (66 MHz same, but no 80 MHz variant) | Targeted at cost-sensitive, single-protocol edge nodes (e.g., point-of-sale terminals); lacks multi-protocol flexibility and ATM cell processing | Choose MPC855TZQ66D4 only when Ethernet-only or UART-only functionality suffices and BOM cost reduction outweighs loss of protocol scalability. |
Compared with MPC860PZQ66D4, MPC860PZP66D4 offers marginally improved thermal conduction to the PCB but identical functionality, while MPC855TZQ66D4 sacrifices three SCCs, ATM, and half the CPM RAM to reduce silicon area and cost-making it suitable only for simplified communication tasks.
Availability
MPC860PZQ66D4 is available at Aetrix Electronics and suitable for DSLAM line cards, industrial protocol gateways, secure RTUs, and legacy telecom node controllers requiring stable component supply across extended product lifecycles.
Supply support for MPC860PZQ66D4 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 leader focused on secure connectivity solutions for automotive, industrial, and IoT applications, with roots in Freescale's embedded processing heritage.
The MPC860 PowerQUICC family was designed to offload communications protocol processing from host CPUs in networking and telecom infrastructure, enabling real-time determinism and reduced software complexity in resource-constrained embedded systems.
FAQ
What is the maximum operating frequency of the MPC860PZQ66D4?
The MPC860PZQ66D4 supports a maximum CPU frequency of 66 MHz. When operated in 2:1 mode (CPU clock twice the bus clock), the bus runs at 33 MHz; in 1:1 mode, both CPU and bus run at 66 MHz. Operation above 66 MHz is not supported - the MPC860PZQ66D4 is not rated for 80 MHz operation despite some MPC860 variants being qualified at that speed.
Does the MPC860PZQ66D4 support IEEE 802.3u 100 Mbps Ethernet?
Yes, the MPC860PZQ66D4 supports full IEEE 802.3u 10/100 Mbps Ethernet via its SCCs, with MII interface compatibility. However, this capability is disabled when the UTOPIA ATM interface is active - the Ethernet and ATM functions share physical resources and cannot operate simultaneously on the same SCC.
What package type does the MPC860PZQ66D4 use, and is it RoHS compliant?
The MPC860PZQ66D4 uses a 357-pin Plastic Ball Grid Array (PBGA) package with ZQ designation (25 mm × 25 mm, 1.27 mm pitch, 1.2 mm height). As a Freescale-era part released prior to 2006, it predates mandatory RoHS compliance; however, NXP confirms the ZQ package is lead-free and RoHS-compliant per EU Directive 2011/65/EU Annex II exemptions.
Can the MPC860PZQ66D4 execute code directly from external NOR Flash without copying to RAM?
Yes, the MPC860PZQ66D4 supports XIP (eXecute-In-Place) from external NOR Flash via its memory controller. Boot configuration pins select the initial chip-select (CS0–CS7), and the 8-bank controller allows mapping Flash to any address space with programmable wait states, enabling direct execution with predictable timing for real-time interrupt response.
How many serial communication controllers (SCCs) does the MPC860PZQ66D4 integrate, and what protocols do they support?
The MPC860PZQ66D4 integrates four serial communications controllers (SCCs). Each supports HDLC/SDLC (up to 2 Mbps), UART, IrDA, BISYNC, AppleTalk, and fully transparent bit-stream or frame-based modes with optional CRC. SCC1–SCC4 can be configured for IEEE 802.3 Ethernet MAC functionality, subject to UTOPIA ATM interface disablement.
MPC860PZQ66D4 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
- RAM Controllers:
- DRAM
- Graphics Acceleration:
- No
- Display & Interface Controllers:
- -
- Ethernet:
- 10Mbps (4), 10/100Mbps (1)
- SATA:
- -
- USB:
- -
- Voltage - I/O:
- 3.3V
- Operating Temperature:
- 0°C ~ 95°C (TA)
- Grade:
- -
- Qualification:
- -
- Security Features:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 357-PBGA (25x25)
- Additional Interfaces:
- HDLC/SDLC, I2C, IrDA, PCMCIA, SPI, TDM, UART/USART
MPC860PZQ66D4 FAQ
1.How can I place an order for MPC860PZQ66D4 through Aetrix?
Please submit a Request for Quotation (RFQ) for MPC860PZQ66D4 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 MPC860PZQ66D4 reliable?
The price and inventory of MPC860PZQ66D4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPC860PZQ66D4 is usually 5 days.
3.What payment methods are accepted for MPC860PZQ66D4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPC860PZQ66D4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPC860PZQ66D4?
MPC860PZQ66D4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPC860PZQ66D4 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 MPC860PZQ66D4?
For technical support, including MPC860PZQ66D4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPC860PZQ66D4 requirements.
6.How does Aetrix verify that MPC860PZQ66D4 is sourced from the original manufacturer or authorized distributors?
All MPC860PZQ66D4 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 MPC860PZQ66D4 meets industry standards.
7.What is the process for return or replacement of MPC860PZQ66D4?
All MPC860PZQ66D4 units undergo pre-shipment inspection (PSI). If there is an issue with MPC860PZQ66D4, 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 MPC860PZQ66D4 part is unused and in its original packaging.
Return procedure for MPC860PZQ66D4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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