A96R739RLN

The A96R739RLN is an advanced CMOS 8-bit microcontroller based on a high-speed 8051-compatible CPU, integrating 48 Kbytes of Flash and an extensive set of on-chip peripherals for embedded control applications. It targets designs that require compact system integration for display, sensing, timing and IR drive functions across a wide supply and temperature range.

With on-chip analog and digital peripherals, internal oscillators and low-voltage operation from 1.8 V to 5.5 V, the device is suited for consumer and industrial control applications that demand efficient integration and reliable operation from −40 °C to 85 °C.

Key Features

• Core  High-speed 8-bit M8051-compatible CISC core (2 clocks per cycle) with up to 12 MHz operating clock.
• Memory  48 Kbytes of Flash program memory with on-chip read/write capability and 1,280 bytes of SRAM (256 bytes IRAM + 1,024 bytes XRAM) for stack and data storage.
• Analog  12-bit A/D converter with 5 inputs supporting 50 ksps acquisition rate for accurate sensor interfacing.
• Display and UI  Integrated LCD driver (32 segments × 8 commons) plus buzzer driving port and carrier generator for compact user-interface designs.
• IR and Output Drive  Built-in transistor for IR LED drive and dedicated carrier generation features ideal for remote-control applications.
• Timers and PWM  Multiple timers including 8/16-bit timers, PWM (16-bit) capability, watch timer and watchdog timer for precise timing and system supervision.
• Data Integrity  16-bit CRC/checksum generator to support data validation and communication integrity checks.
• Connectivity  UART interface for serial communication and 59 available I/O signals (13 dedicated I/O + 46 shared with LCD signals) for flexible system I/O mapping.
• Clock and Reset  On-chip oscillator and clock circuitry including internal 8 MHz HFIRC and internal 32 kHz LFIRC, plus POR, LVR and LVI for reliable power-up and reset behavior.
• Power and Environmental  Wide operating voltage range of 1.8 V to 5.5 V and industrial temperature operation from −40 °C to 85 °C, with support for low-power modes.
• Package  Surface-mount 64-LQFP package (10 × 10 mm, 0.5 mm pitch) for compact board-level integration.

Typical Applications

• Home Appliances  Control panels, display interfaces and sensor management using the integrated LCD driver, ADC and UI peripherals.
• Industrial Control  Process monitoring and control where robust I/O, CRC/checksum validation and wide voltage/temperature operation are required.
• Remote Control and IR Systems  IR remote transmitters and receiver systems leveraging the built-in IR LED transistor drive and carrier generation.
• User Interface Devices  Devices requiring buzzer feedback, segmented displays and multiple GPIO lines for flexible user interaction designs.

Unique Advantages

• Highly integrated peripheral set: Combines ADC, LCD driver, timers, CRC generator and IR drive transistor on-chip to reduce BOM and PCB complexity.
• Flexible power operation: Wide supply range (1.8 V–5.5 V) and low-power modes enable battery-operated and mains-powered designs with the same MCU.
• Compact memory and performance balance: 48 Kbytes of Flash plus 1,280 bytes SRAM deliver a balance of code space and runtime data for typical embedded control firmware.
• Robust system supervision: Integrated POR, LVR, LVI and watchdog timer improve system reliability and simplify power/fault management.
• Display and human interface ready: Dedicated LCD driver, buzzer port and carrier generation shorten development time for consumer-facing products.
• Industrial temperature rating: Specified operation from −40 °C to 85 °C meets the environmental needs of many control and appliance applications.

Why Choose A96R739RLN?

The A96R739RLN positions itself as a practical, highly integrated MCU for embedded control tasks that require display support, analog sensing and IR drive in a single-package solution. Its 8051-compatible core with a full complement of timing, communication and system-monitoring peripherals simplifies system design while reducing component count.

This device is well suited to designers of home appliances, industrial controllers and remote-interface products who value broad voltage operation, industrial temperature capability and built-in peripherals that accelerate time-to-market and reduce BOM cost.

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