A96R725CLN

The A96R725CLN is an advanced CMOS 8-bit microcontroller based on a high‑speed M8051 core, offering 12 Kbytes of on‑chip Flash and 256 bytes of IRAM for compact embedded control applications. It integrates a broad set of peripherals — including a 10‑bit ADC, LCD driver, multiple timers, CRC/checksum generator and dedicated drive transistors — to simplify system design for consumer and industrial devices.

Designed for low‑voltage operation (1.8–3.6 V) and extended temperature use (−40 to 85 °C), the device targets home appliances, remote control and industrial control applications that require a highly integrated MCU with on‑chip power and clock management features.

Key Features

• Core  8‑bit M8051 CISC CPU with high‑speed operation (rated 12 MHz), optimized for compact control code and legacy 8051 toolchains.
• Memory  12 Kbytes on‑chip Flash with In‑System Programming (ISP) and self program/erase capability; 256 bytes IRAM (excludes 32 bytes reserved for LCD display). Flash endurance and retention are specified in the device datasheet.
• Power and Clock  Wide supply range 1.8–3.6 V with on‑chip Power‑On Reset (POR), Low Voltage Reset (LVR) and Low Voltage Interrupt (LVI). Includes internal oscillators (8 MHz HFIRC with user trim and 32 kHz LFIRC) and supports external crystal oscillators.
• Timers and Watchdog  Multiple timing resources including 8/16‑bit timer/counters, basic interval timer, watch timer and an 8‑bit Watchdog Timer (WDT) with internal RC oscillator.
• PWM and Carrier  Dual 16‑bit PWM channels and carrier generation for driving actuators, IR emitters or modulation schemes.
• Analog  10‑bit Analog‑to‑Digital Converter with 8 input channels for sensor interfacing and system monitoring.
• Display & Drive  On‑chip LCD driver supporting 26 segments × 8 commons and a built‑in transistor for LCD backlight drive; also includes a built‑in transistor for IR LED drive.
• System Integrity  16‑bit CRC/Checksum generator to support data integrity checks and firmware validation.
• I/O and Packaging  45 total I/O pins (6 normal GPIO + 39 shared with LCD), available in a 48‑LQFP (7×7 mm, 0.5 mm pitch) surface‑mount package.
• Operating Range  Industrial temperature range −40 to 85 °C suitable for a variety of embedded environments.

Typical Applications

• Home Appliances  Control interfaces, display management and sensor monitoring for appliances that benefit from integrated LCD and ADC functionality.
• Remote Controls  IR LED drive and carrier generation combined with low‑power operation and LCD support make the MCU suitable for remote control and consumer‑interface devices.
• Industrial Control  Embedded control tasks that require reliable timing, ADC inputs and robust operating temperature range.

Unique Advantages

• Highly integrated peripheral set: Combines ADC, LCD driver, CRC generator, PWM and multiple timers on‑chip to reduce BOM and simplify PCB routing.
• On‑chip drive transistors: Built‑in transistors for IR LED and LCD backlight drive minimize external component count for display and remote designs.
• Flexible clocking: Internal HF and LF oscillators with user trim plus external oscillator support provide implementation flexibility for cost and accuracy tradeoffs.
• Low‑voltage operation: 1.8–3.6 V supply range and dedicated low‑voltage reset/interrupt features enable reliable operation in battery‑powered designs.
• Embedded reliability features: POR, LVR, LVI and Watchdog Timer help maintain system stability in a wide range of operating conditions.

Why Choose A96R725CLN?

The A96R725CLN delivers a balanced combination of processing capability, peripheral integration and low‑voltage operation for compact embedded systems. Its M8051 core, on‑chip Flash with ISP, and comprehensive analog and display resources make it a practical choice for designers seeking to minimize external components while retaining flexible I/O and timing options.

This device is suitable for product lines in home appliances, remote control and industrial control where long‑term firmware retention, integrated display support and robust power‑management features provide tangible design and cost benefits.

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