MC68LC302AF20CT

The MC68LC302AF20CT is a low-cost integrated multiprotocol processor based on a static M68000 core running at 20 MHz. It combines a single 8/16-bit M68000-family CPU core with on-chip peripheral subsystems aimed at embedded and communications applications.

Designed for space- and power-conscious embedded designs, the device targets multiprotocol communications and portable applications where a highly integrated system controller with on-chip memory, DMA, timers and serial communications controllers streamlines development and reduces board area.

Key Features

• Core  Static M68000 core supporting 8- or 16-bit M68000 family system operation at 20 MHz.
• On-Chip Memory  1,152-byte dual-port RAM integrated on-chip for fast inter-module data exchange and control.
• DMA and Interrupts  Independent DMA controller with multiple DMA channels and an interrupt controller offering two modes of operation for flexible system design.
• Timers and Watchdog  Three timers including a watchdog timer and a new Periodic Interrupt Timer (PIT) for system monitoring and periodic tasks.
• Communications Processor (CP)  On-chip RISC main controller and two full-duplex serial communications controllers (SCCs) supporting common protocols and UART-style operation.
• Memory and Bus Interface  Four programmable chip-select lines with wait-state generator logic and a glueless interface to EPROM, SRAM, Flash EPROM and EEPROM; supports boot in 8-bit mode and runtime switch to 16-bit mode.
• Clock and PLL  On-chip clock generator with output signal and on-chip PLL allowing operation with 32 kHz or 4 MHz crystals for flexible clock sourcing.
• System Control and Low Power  System status/control logic with hardware watchdog, new low-power (standby) modes and freeze control for debugging.
• DRAM Support  Integrated DRAM refresh controller to simplify memory management for external DRAM.
• Package and Mounting  Low-profile 100-lead LQFP package (14 × 14 mm) for surface-mount PCB assembly, suitable for height-restricted applications.
• Supply and Temperature  5 V I/O supply and an operating temperature range of 0 °C to 70 °C.
• Compliance  RoHS compliant.

Typical Applications

• Embedded Communications Controllers  Integration of CPU, DMA, serial controllers and on-chip RAM provides a compact platform for multiprotocol communications equipment.
• Low-Power Portable Systems  Low-power modes, compact 100-LQFP packaging and on-chip peripherals make the device suitable for portable and battery-aware designs.
• PCMCIA and Height-Restricted Modules  Low-profile package and reduced board area target height-restricted applications such as PCMCIA card implementations.
• Systems Migrating from MC68302  A compatible MC68302-derived architecture for designs that require a similar integrated multiprotocol feature set with reduced pin count.

Unique Advantages

• Highly Integrated Single-Chip Solution:  Combines a static M68000 core, RISC communications controller, SCCs, DMA and on-chip RAM to reduce component count and simplify board design.
• Space-Saving Low-Profile Package:  100-LQFP (14 × 14 mm) surface-mount package minimizes PCB footprint and supports height-restricted form factors.
• Flexible Memory and Boot Options:  Glueless interface to common nonvolatile and volatile memories, four programmable chip-selects and 8/16-bit boot flexibility streamline system integration.
• Deterministic Timing and Monitoring:  Multiple timers including a watchdog and a periodic interrupt timer enable robust task scheduling and system supervision.
• Clocking Versatility:  On-chip clock generator and PLL support operation with 32 kHz or 4 MHz crystals for flexible system clock design.
• Vendor-Backed Component:  Manufactured by NXP Semiconductors and provided as a RoHS-compliant device for environmental compliance.

Why Choose MC68LC302AF20CT?

The MC68LC302AF20CT delivers a compact, integrated platform for embedded and communications-focused systems that benefit from on-chip CPU, communications processors, DMA, timers and dual-port RAM. Its static M68000 core and configurable memory interfaces make it a practical choice for designs seeking a familiar M68000-family architecture with expanded system control and low-power features.

This part is well suited to engineers designing space- and power-constrained modules, communications controllers, or systems migrating from the MC68302 family, offering a balance of integration, clocking flexibility and on-chip peripherals to shorten development and reduce BOM complexity.

Request a quote or submit an inquiry to receive pricing and availability information for the MC68LC302AF20CT. Our team can provide lead-time details and support for your project requirements.