A96R739CUN

The A96R739CUN is an 8-bit CMOS microcontroller based on a high-speed 8051 core, providing 48 Kbytes of on-chip Flash and 1.25 Kbytes of RAM. Designed for embedded control in consumer and industrial products, the device combines a rich set of analog and digital peripherals with on-chip power supervision and low-power modes to simplify system design and optimize energy consumption.

With integrated LCD driving, a 12-bit ADC, built-in IR LED transistor drive and a wide supply range, the A96R739CUN targets applications that require compact hardware integration, robust I/O and flexible power management across -40°C to 85°C.

Key Features

• Core High-performance 8-bit M8051-compatible CPU running at 12 MHz (12,000,000 Hz).
• Memory 48 Kbytes of on-chip Flash program memory with self read/write capability and 1.25 Kbytes of SRAM (256 bytes IRAM + 1,024 bytes XRAM).
• Analog & Data Conversion 12-bit ADC for precision analog measurement with multiple inputs (A/D - 12-bit).
• Display Support Integrated LCD driver supporting up to 32 segments × 8 commons for compact user-interface designs.
• Timers & PWM Multiple 8/16-bit timers, a 16-bit PWM and a watch timer provide flexible timing, capture and waveform generation options.
• Communications & Control Peripherals UART serial interface alongside carrier generation, buzzer drive and an on-chip transistor for direct IR LED drive.
• System Reliability On-chip power supervision including Power-On Reset (POR), Low Voltage Reset (LVR) and Low Voltage Interrupt (LVI), plus a watchdog timer and a 16-bit CRC/Checksum generator for data integrity.
• Clock & Power Internal and external oscillator support with internal HF and LF oscillators; wide supply range from 1.8 V to 5.5 V and power-down modes to reduce consumption.
• I/O & Packaging 43 I/O pins and a 48-QFN surface-mount package suitable for compact board layouts and industrial operating range (-40°C to 85°C).

Typical Applications

• Home Appliances LCD-based user interfaces, keypad control and sensor monitoring where integrated display driving and ADC are required.
• Industrial Control Embedded controllers needing robust power supervision, CRC for data integrity and a wide supply/temperature range.
• Remote Control & IR Systems IR transmitter designs that benefit from the built-in transistor for direct IR LED drive and carrier generation.
• Battery-Powered Devices Low-power modes and a wide VCC range enable flexible operation in battery-operated equipment.

Unique Advantages

• Highly integrated peripheral set: Combines ADC, LCD driver, timers, PWM, UART, CRC generator and IR LED drive to reduce BOM and simplify board design.
• Flexible power and clock management: Internal HF and LF oscillators plus support for external clocks and multiple power supervision features (POR, LVR, LVI) enhance system robustness.
• Wide operating conditions: 1.8 V to 5.5 V supply range and -40°C to 85°C operating temperature support diverse deployment environments.
• Designed for compact applications: 48-QFN surface-mount package and 43 I/O pins enable dense, space-efficient designs.
• Firmware development and deployment: 48 Kbytes of Flash with self read/write and on-chip debug/In-System Programming capability streamlines development and field updates.
• Data integrity and reliability: Hardware 16-bit CRC/Checksum generator and watchdog timer provide built-in mechanisms for error detection and recovery.

Why Choose A96R739CUN?

The A96R739CUN is positioned as a versatile, highly integrated 8-bit microcontroller that balances processing capability with extensive on-chip peripherals and power management. It is well suited to designers who need compact hardware footprints, display and analog integration, and reliable operation across a broad voltage and temperature range.

Supported by detailed documentation and revision-controlled datasheet information, the A96R739CUN provides a practical platform for consumer and industrial embedded designs that require LCD control, ADC measurement, IR transmission and robust system supervision.

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