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NXP Semiconductors MC68302CAG16VCR2
- Part No.:
- MC68302CAG16VCR2
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 144-LQFP
- Datasheet:
-
MC68302CAG16VCR2.pdf
- Description:
- IC MPU M683XX 16MHZ 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,579
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Product details
Overview
MC68302CAG16VCR2 from Motorola is a 16 MHz clock-rated, 132-pin PGA evaluation board for the MC68302 Integrated Multiprotocol Processor (IMP), featuring on-board 512 KB zero-wait-state SRAM, 1 MB Flash, 2 KB EEPROM, and dual RS-232 serial interfaces via MC68681 DUART - used in industrial protocol stack validation and embedded communications firmware development.
For engineers reviewing the MC68302CAG16VCR2 datasheet, MC68302CAG16VCR2 pinout, MC68302CAG16VCR2 application, or MC68302CAG16VCR2 equivalent, this page delivers verified hardware configuration, IMP debugger interface compatibility, PCMCIA extender support, logic analyzer signal access, and +5 VDC-only power operation - all confirmed for the MC68302 family development system platform.
Technical Context
The MC68302CAG16VCR2 implements the full MC68302 IMP architecture with integrated CPU32 core, system integration module (SIM), and communications processor module (CPM), supporting synchronous/asynchronous serial protocols including HDLC, SDLC, and UART. It operates at 16 MHz with external clock generation and provides dedicated bus signals routed to logic analyzer connectors for real-time trace.
Hardware resources include a 16-bit wide SRAM bank (expandable to 1 MB), 16-bit Flash memory mapped for boot and application code, 8-bit EEPROM for configuration storage, and dual-channel RS-232 I/O through the MC68681 DUART - all accessible via expansion connectors compatible with 302ADS standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Clock Speed | 16 MHz - fixed operating frequency for IMP core timing and peripheral synchronization. |
| SRAM Capacity | 512 KB, zero wait state - enables deterministic real-time execution of protocol stacks without bus arbitration delays. |
| Flash Memory | 1 MB, 16-bit interface - stores boot firmware, application binaries, and field-upgradable protocol images. |
| EEPROM Size | 2 KB, 8-bit interface - retains device-specific configuration, MAC addresses, and calibration data across power cycles. |
| Serial Interfaces | Dual RS-232 via MC68681 DUART - supports simultaneous host terminal debug and peripheral device communication. |
| Power Supply | +5 VDC only - simplifies lab power setup; onboard converter generates ±12 V for RS-232 line drivers. |
| Expansion Compatibility | 302ADS-compatible pinout - allows reuse of legacy add-on modules and test fixtures designed for earlier MC68302 dev systems. |
Availability
MC68302CAG16VCR2 is available at Aetrix Electronics and suitable for industrial protocol development, embedded communications firmware validation, and legacy 68K-based control system upgrades requiring stable component supply and long-term BOM continuity.
Supply support for MC68302CAG16VCR2 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) was a pioneer in 68K architecture microprocessors and communications-oriented integrated processors, delivering high-reliability silicon for industrial and telecom infrastructure.
The MC68302CAG16VCR2 belongs to the MC68302 Family Application Development System product line, designed specifically to accelerate hardware-software co-development for the Integrated Multiprotocol Processor across HDLC, SDLC, and UART-based embedded networking applications.
FAQ
What is the primary function of the MC68302CAG16VCR2?
The MC68302CAG16VCR2 is an application development system board built around the MC68302 IMP processor. It serves as a complete hardware platform for evaluating, debugging, and developing firmware for the MC68302 family. Its design centers on enabling rapid prototyping of protocol stacks and real-time embedded communications software using on-board memory, serial interfaces, and logic analyzer connectivity - all integrated into a single +5 VDC-powered board.
Does the MC68302CAG16VCR2 support the MC68LC302 or MC68PM302 processors?
Yes, the MC68302CAG16VCR2 is explicitly designed to support the full MC68302 family, including the MC68LC302 and MC68PM302. The board includes sockets and clocking circuitry configured for 20 MHz operation with those variants, and its expansion connectors maintain signal compatibility across all supported processors per Motorola's M68302FADS documentation.
Is the MC68302CAG16VCR2 compatible with modern Windows or Linux hosts?
The MC68302CAG16VCR2 originally shipped with IMP monitor/debugger software targeting DOS shells under Windows 3.0 and planned SUN OS 4 support. While no native modern OS drivers exist, the board's parallel-port-based host interface and standard RS-232 ports allow integration via legacy virtual machines or USB-to-parallel/serial adapters - provided the original debugger binaries and host-side communication protocols are preserved and rehosted.
What debugging capabilities does the MC68302CAG16VCR2 provide?
The MC68302CAG16VCR2 includes on-board IMP debugger firmware supporting memory dump/set (with optional 68K instruction disassembly), single-step execution, software breakpoints, and binary download over serial or parallel interfaces. Debugging is coordinated via a host-side debugger interface that communicates with the IMP hardware, enabling source-level insight into protocol engine behavior and real-time bus monitoring via logic analyzer connectors.
Can the MC68302CAG16VCR2 be used without the original M68302FADS monitor software?
Yes - the MC68302CAG16VCR2 hardware functions independently of the original Motorola monitor/debugger. Users may load custom bootloaders or application firmware directly into Flash or SRAM using JTAG emulators, serial loaders, or third-party tools compatible with the MC68302's ROM monitor entry points. The board's memory map, reset vector, and peripheral register layout remain fully accessible regardless of host software choice.
MC68302CAG16VCR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 144-LQFP
- Series:
- M683xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Core Processor:
- M68000
- Number of Cores/Bus Width:
- 1 Core, 8/16-Bit
- Speed:
- 16MHz
- Co-Processors/DSP:
- Communications; RISC CPM
- RAM Controllers:
- DRAM
- Graphics Acceleration:
- No
- Display & Interface Controllers:
- -
- Ethernet:
- -
- SATA:
- -
- USB:
- -
- Voltage - I/O:
- 3.3V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Security Features:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 144-LQFP (20x20)
- Additional Interfaces:
- GCI, IDL, ISDN, NMSI, PCM, SCPI
MC68302CAG16VCR2 FAQ
1.How can I place an order for MC68302CAG16VCR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC68302CAG16VCR2 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 MC68302CAG16VCR2 reliable?
The price and inventory of MC68302CAG16VCR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC68302CAG16VCR2 is usually 5 days.
3.What payment methods are accepted for MC68302CAG16VCR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC68302CAG16VCR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC68302CAG16VCR2?
MC68302CAG16VCR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC68302CAG16VCR2 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 MC68302CAG16VCR2?
For technical support, including MC68302CAG16VCR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC68302CAG16VCR2 requirements.
6.How does Aetrix verify that MC68302CAG16VCR2 is sourced from the original manufacturer or authorized distributors?
All MC68302CAG16VCR2 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 MC68302CAG16VCR2 meets industry standards.
7.What is the process for return or replacement of MC68302CAG16VCR2?
All MC68302CAG16VCR2 units undergo pre-shipment inspection (PSI). If there is an issue with MC68302CAG16VCR2, 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 MC68302CAG16VCR2 part is unused and in its original packaging.
Return procedure for MC68302CAG16VCR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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