MC97F2664L14

The MC97F2664L14 from Abov is an 8-bit CMOS microcontroller based on the 8051 core, delivering a 16 MHz operating frequency and a comprehensive peripheral set for embedded control applications. It combines 64 Kbytes of on-chip Flash with multiple memory types and integrated peripherals to support compact, cost-effective embedded designs.

Designed for flexible deployment, the device supports both internal and external oscillators, a wide supply range (1.8–5.5 V) and power-saving modes to optimize energy use across battery-powered and mains-powered applications.

Key Features

• Core and Performance 8051-based 8-bit core running up to 16 MHz for classic embedded control workloads and legacy code compatibility.
• Memory 64 Kbytes of program Flash plus 256 bytes of iRAM and 4 Kbytes of xRAM (total 4.25 Kbytes RAM) to support program storage and runtime data.
• Analog and Data Conversion Integrated 12-bit ADC for precision sensor interfacing and data acquisition tasks.
• Timers and PWM Multiple timer options including 8-bit and 16-bit timers, together with 8-bit and 16-bit PWM channels for motor control, timing and waveform generation.
• Connectivity Hardware SPI and UART/USART interfaces for serial communication and peripheral connectivity.
• Power and System Management On-chip LDO, Power-On Reset (POR) and configurable power-saving modes to manage power consumption across system states.
• Reliability and Safety Watchdog Timer (WDT) and WT support to improve system robustness and fault recovery behavior.
• GPIO and Package Up to 61 I/O pins in a 64-LQFP (14×14-0.8) surface-mount package, suitable for dense I/O designs.
• Environmental Range and Oscillation Operating temperature range from −40 to 85 °C; supports both internal and external oscillator configurations.

Typical Applications

• Embedded Control — Core 8051 architecture, timers and PWM make the device suitable for general embedded control tasks and legacy 8-bit applications.
• Sensor Interfacing and Data Acquisition — 12-bit ADC and multiple I/O lines enable accurate sensor readout and preprocessing at the edge.
• User Interface and Appliance Control — Ample I/O, timers and buzzer peripheral support user interaction, status signaling and appliance control functions.
• Battery-Powered and Low-Power Designs — Wide VCC range (1.8–5.5 V) and power-saving modes support designs that require flexible power management.

Unique Advantages

• Well-balanced memory configuration: 64 Kbytes of Flash with combined internal and external RAM (4.25 Kbytes) supports substantial firmware and runtime data without external memory.
• Rich integrated peripherals: ADC, multiple timers, PWMs, SPI and UART/USART reduce external component count and simplify BOM.
• Flexible power and clock options: Wide supply voltage window, on-chip LDO and support for internal/external oscillators enable diverse power and clocking schemes.
• High I/O density in compact package: Sixty-one I/O pins in a 64-LQFP package provide ample connectivity for complex control and HMI tasks while maintaining a small PCB footprint.
• Extended operating range: −40 to 85 °C specification supports a broad range of environmental deployments.

Why Choose MC97F2664L14?

The MC97F2664L14 positions itself as a versatile, integration-focused 8-bit microcontroller for embedded designs that require a blend of program memory, analog conversion and varied peripheral control. Its 8051 core and extensive peripheral set make it suitable for designers migrating existing 8-bit application code or developing new control-focused firmware.

With a wide supply voltage range, power-saving modes and a robust operating temperature window, the device supports long-term, reliable deployment in diverse embedded systems while minimizing external components and design complexity.

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