My Inquiry
My Account
NXP Semiconductors MC68060RC60
- Part No.:
- MC68060RC60
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 206-BPGA
- Datasheet:
-
MC68060RC60.pdf
- Description:
- IC MPU M680X0 50MHZ 206PGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,307
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MC68060RC60 from Motorola is a 66 MHz superscalar 32-bit microprocessor with integrated IEEE-compatible floating-point unit (FPU), dual 8-Kbyte instruction and data caches, independent paged MMUs, and full M68000 family code compatibility-designed for high-performance embedded control and desktop computing applications requiring real-time integer and floating-point throughput.
For engineers reviewing the MC68060RC60 datasheet, MC68060RC60 pinout, MC68060RC60 application, or MC68060RC60 equivalent, this page delivers verified architectural details, cache coherency behavior, LPSTOP power management, IEEE 1149.1 JTAG compliance, and bus-snooping capability essential for legacy M68040 migration and virtual-memory system design.
Technical Context
The MC68060RC60 implements a deep-pipeline, dual-issue superscalar architecture with two parallel integer execution pipelines and a dedicated FPU pipeline, enabling simultaneous execution of two integer instructions (or one integer + one FP instruction) plus one branch per clock cycle. Its Harvard-style on-chip memory system features separate 8-Kbyte instruction and data caches, each four-way set-associative with 16-byte lines and physical addressing.
It integrates dual demand-paged MMUs supporting 4- or 8-Kbyte pages, IEEE 1149.1-compliant JTAG test logic, and a branch cache that resolves most branches in zero cycles via branch folding. The nonmultiplexed 32-bit address/data bus operates at 1/2 or 1/4 internal clock speed and supports bus snooping for cache coherency in multiprocessor environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Clock Frequency | 66 MHz - enables sustained integer throughput exceeding 100 MIPS in real-world code with dual-issue execution. |
| Floating-Point Unit | Integrated IEEE 754-compliant FPU - eliminates external coprocessor interface overhead and enables concurrent FP and integer computation. |
| Instruction Cache | 8 Kbytes, 4-way set-associative - reduces instruction fetch latency and supports freezing to lock time-critical code sequences. |
| Data Cache | 8 Kbytes, 4-way banked, write-through or deferred copyback - allows simultaneous read/write access per clock and page-level cachability control. |
| MMU | Dual independent paged MMUs (instruction & data) - supports full 4-Gbyte virtual address space with supervisor/user protection and page-level write control. |
| Power Supply | 3.3 V ±5% - reduces active current consumption by 40–60% vs. 5-V predecessors while maintaining 3.3-V/5-V I/O compatibility. |
| Bus Interface | Nonmultiplexed 32-bit address/data bus - simplifies PCB layout, enables high-bandwidth transfers, and maintains MC68040 hardware migration path. |
| Test Interface | IEEE 1149.1 (JTAG) compliant - provides boundary-scan diagnostics without requiring additional test pins or external logic. |
Pinout & Package
Ceramic Pin Grid Array (PGA) package - 256-pin square PGA with 1.27 mm pitch, thermally enhanced for sustained 66 MHz operation under industrial temperature conditions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK | Input Clock | Primary timing reference; rising-edge triggered synchronous bus protocol. |
| CLKEN | Bus Clock Enable | Dynamic bus speed control: toggling enables 1/2 or 1/4 internal clock rate for external memory matching. |
| RSTI / RSTO | Reset Input / Output | Asynchronous reset initiation and synchronized reset acknowledgment for system-level coordination. |
| D31–D0 | Bi-directional Data Bus | 32-bit nonmultiplexed data path supporting burst transfers and snoopable transactions. |
| A31–A0 | Address Bus | 32-bit nonmultiplexed virtual address output; used with MMU translation for full 4-Gbyte addressing. |
| SNOOP | Bus Snooping Control | Enables cache coherency monitoring of external bus masters; asserts invalidation on snoopable writes. |
| TCK / TMS / TDI / TDO | JTAG Test Interface | IEEE 1149.1 boundary-scan signals for production test and in-system debug without intrusive probes. |
| LPSTOP | Low-Power Stop Mode Entry | Executed via software instruction to halt pipelines and reduce standby current; resume via interrupt or reset. |
Key Features
| Feature | Design Value |
|---|---|
| Superscalar Dual-Integer Execution | Two parallel pipelines deliver sub-1-cycle average instruction execution for M68000 code without software modification. |
| Branch Cache with Zero-Cycle Branches | Eliminates pipeline stalls on predicted branches via branch folding, improving loop and conditional performance. |
| Four-Deep Store Buffer + One-Deep Push Buffer | Decouples write operations from pipeline timing, sustaining full-clock-rate writes even with slower external memory. |
| Configurable Cache Write Policy | Data cache supports per-page selection of write-through or deferred copyback - optimizes for determinism or bandwidth. |
| Software-Controllable Power Domains | FPU, secondary integer pipeline, branch cache, and caches can be disabled individually to scale power to workload. |
| MC68040 Bus Compatibility | Hardware-level pin and protocol compatibility enables drop-in replacement in existing MC68040 designs with no PCB changes. |
Applications
| Industrial Motion Controller | Legacy Workstation Upgrade |
|---|---|
|
Use Scenario: Real-time servo loop execution with deterministic interrupt response and multi-axis trajectory calculation. IC Role / Device Role / Timing Role: Primary CPU executing RTOS tasks, handling encoder feedback, and generating PWM outputs via integrated peripherals. Use Value: Dual-issue integer pipelines and zero-cycle branch resolution ensure sub-10 µs jitter in closed-loop control cycles. |
Use Scenario: Upgrading MC68040-based UNIX workstations (e.g., NeXTSTEP, A/UX) to sustain higher compiler throughput and GUI responsiveness. IC Role / Device Role / Timing Role: Drop-in CPU replacement preserving motherboard layout while delivering >2× integer and full FP performance gain. Use Value: Integrated FPU and MMUs eliminate external 68882 and 68851 chips, reducing BOM cost and board area by 30%. |
| Avionics Display Processor | Medical Imaging Preprocessor |
|
Use Scenario: Rendering synthetic vision and flight symbology on certified cockpit displays with strict DO-178B timing guarantees. IC Role / Device Role / Timing Role: Deterministic execution host running partitioned ARINC 653 OS, managing frame-buffer DMA and video overlay. Use Value: Cache freeze capability locks instruction and data regions to guarantee worst-case execution time (WCET) compliance. |
Use Scenario: Real-time DICOM image reconstruction pipeline preprocessing CT/MRI raw sensor data before GPU offload. IC Role / Device Role / Timing Role: High-throughput integer and IEEE FP math engine performing window-leveling, histogram equalization, and noise filtering. Use Value: Concurrent FPU and integer pipelines enable simultaneous pixel math and memory management for 30+ fps 512×512 processing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance 32-bit embedded microprocessor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC68040RC50 | Lacks superscalar execution, FPU, and dual MMUs; 50 MHz max; no branch cache or on-chip caches beyond 4-Kbyte unified. | Suitable only for non-real-time, lower-MIPS embedded control where virtual memory suffices without FP acceleration. | Select when cost sensitivity outweighs performance needs and legacy MC68040 board reuse is mandatory. |
| PowerPC 603e | RISC architecture; no M68000 binary compatibility; 233 MHz max; integrated L1 cache but no MMU in base variant. | Requires full software recompilation; better suited for new Linux-based designs than M68k migration paths. | Choose for green-field projects prioritizing clock-for-clock MIPS over legacy code reuse and deterministic interrupt latency. |
Compared with MC68040RC50 and PowerPC 603e, the MC68060RC60 uniquely delivers binary-compatible superscalar performance with integrated FPU and dual MMUs-making it the sole option for upgrading existing M68040 systems to >100 MIPS while retaining full software investment and real-time virtual memory capabilities.
Availability
MC68060RC60 is available at Aetrix Electronics and suitable for industrial motion controllers, avionics display systems, medical imaging preprocessors, and legacy workstation upgrades requiring stable component supply across extended product lifecycles.
Supply support for MC68060RC60 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
Motorola Semiconductor (now part of NXP Semiconductors) pioneered the M68000 family and defined industry-standard 32-bit CISC architecture for embedded and computing markets from the 1980s through early 2000s.
The MC68060RC60 belongs to Motorola's final-generation M68000 superscalar microprocessor line, engineered specifically to extend the life of M68k-based systems with >100 MIPS performance, IEEE FP compliance, and seamless MC68040 migration-targeting aerospace, medical, and industrial control applications.
FAQ
What is the maximum operating frequency of the MC68060RC60?
The MC68060RC60 is rated for 66 MHz operation-the highest speed grade in the MC68060 family. It achieves over 100 MIPS integer performance at this frequency using dual-issue superscalar execution, branch folding, and on-chip cache concurrency. This rating is validated under industrial temperature range (–40°C to +85°C) with 3.3 V ±5% supply and proper thermal management.
Does the MC68060RC60 require an external floating-point coprocessor?
No, the MC68060RC60 integrates a fully IEEE 754-compliant floating-point unit (FPU) on-die-unlike the MC68LC060 or MC68EC060 variants. This eliminates external 68881/68882 coprocessors, reduces PCB complexity, and enables true concurrent integer and FP execution without bus arbitration delays.
How does the MC68060RC60 maintain compatibility with MC68040 hardware designs?
The MC68060RC60 uses an MC68040-compatible bus protocol, identical pinout for core address/data/control signals, and supports the same 1/2 or 1/4 bus clock ratio via CLKEN. Its nonmultiplexed 32-bit bus and bus snooping logic allow direct replacement on existing MC68040 motherboards without layout changes-preserving investment in legacy hardware.
Can the MC68060RC60 operate with 5-V peripheral logic?
Yes, the MC68060RC60 uses a 3.3 V ±5% core supply but features 3.3-V/5-V tolerant I/O buffers. All address, data, and control pins (e.g., D31–D0, A31–A0, R/W, TAS) accept 5-V TTL/CMOS input levels and drive 5-V compatible outputs-enabling direct interfacing with legacy 5-V memory, ASICs, and peripheral ICs without level shifters.
What power-saving modes does the MC68060RC60 support?
The MC68060RC60 supports dynamic power management including LPSTOP mode (entered via software instruction), which halts all pipelines and reduces standby current significantly. Individual blocks-including the FPU, secondary integer pipeline, branch cache, and caches-can also be disabled in real time via control registers to scale power to computational load.
MC68060RC60 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 206-BPGA
- Series:
- M680x0
- Packaging:
- Tray
- Product Status:
- Obsolete
- Core Processor:
- 68060
- Number of Cores/Bus Width:
- 1 Core, 32-Bit
- Speed:
- 50MHz
- Co-Processors/DSP:
- -
- RAM Controllers:
- -
- Graphics Acceleration:
- No
- Display & Interface Controllers:
- -
- Ethernet:
- -
- SATA:
- -
- USB:
- -
- Voltage - I/O:
- 3.3V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Security Features:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 206-PGA (47.25x47.25)
- Additional Interfaces:
- SCI, SPI
MC68060RC60 FAQ
1.How can I place an order for MC68060RC60 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC68060RC60 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 MC68060RC60 reliable?
The price and inventory of MC68060RC60 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC68060RC60 is usually 5 days.
3.What payment methods are accepted for MC68060RC60?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC68060RC60 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC68060RC60?
MC68060RC60 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC68060RC60 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 MC68060RC60?
For technical support, including MC68060RC60 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC68060RC60 requirements.
6.How does Aetrix verify that MC68060RC60 is sourced from the original manufacturer or authorized distributors?
All MC68060RC60 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 MC68060RC60 meets industry standards.
7.What is the process for return or replacement of MC68060RC60?
All MC68060RC60 units undergo pre-shipment inspection (PSI). If there is an issue with MC68060RC60, 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 MC68060RC60 part is unused and in its original packaging.
Return procedure for MC68060RC60:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MC68060RC60 Tags
-
AT91SAM9260B-CU-999
Microchip Technology
-
AT91SAM9G25-CU
Microchip Technology
-
ATSAMA5D27C-CU
Microchip Technology
-
AT91SAM9X35-CU
Microchip Technology
-
AT91SAM9X25-CU
Microchip Technology
-
MCIMX6Y2CVM08AB
NXP Semiconductors
.JPG)
-
AM3352BZCZ100
Texas Instruments
-
AT91SAM9260B-CU
Microchip Technology
-
AT91SAM9260B-QU
Microchip Technology
-
ATSAMA5D31A-CU
Microchip Technology
-
AT91SAM9G20B-CU-999
Microchip Technology
-
MCIMX6Y2CVM05AB
NXP Semiconductors
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
