A96T218OUN

The A96T218OUN is a CMOS single-chip 8-bit microcontroller based on a high-performance M8051 core. It integrates 32 Kbytes of on-chip Flash, abundant RAM, a 24-channel self-capacitive touch controller and an 8-common × 20-segment LED driver to address embedded control and touch-sensing user interface applications.

With built-in analog and system peripherals such as 12-bit ADC, multiple 16-bit timers/PWM channels, watchdog and power management features, the A96T218OUN delivers a compact, flexible and cost-effective platform for consumer and industrial touch-key and LED-driven control designs.

Key Features

• Core and Performance M8051 8-bit CPU with up to 16 MHz internal RC oscillator for deterministic embedded control tasks.
• Flash and Memory 32 Kbytes on-chip Flash code memory with code area protection, 256 bytes SRAM and 1,792 bytes XRAM for application and data storage.
• Touch Sensing Integrated 24-channel self-capacitive touch controller with 16-bit sensing resolution, fast initial self-calibration and bias-calibration for improved SNR; supports single and multi-key detection modes.
• LED Driver On-chip 8 common × 20 segment LED driver for direct display and indicator control.
• Analog and Data Conversion 12-bit A/D converter with 8 channels at up to 125 ksps for sensor interfacing and analog monitoring.
• Timers and PWM Multiple 16-bit timer/counters and three 16-bit PWM channels, plus a 32-bit free-run counter for precise timing, motor or buzzer control.
• Connectivity I²C and dual USART channels provide standard serial interfaces for peripherals and external modules.
• System Reliability and Safety On-chip Power-On Reset (POR), Brown-Out Detection (BOD), Low-Voltage Indicator (LVI) and Watchdog Timer (WDT) to improve system robustness.
• Clock and Power Internal 16 MHz RC oscillator plus support for external oscillator sources; multiple power-saving modes to reduce active and standby consumption.
• Operating Range and Package Wide operating voltage range (2.0 V–5.5 V at 16 MHz; 2.7 V–5.5 V when using Touch & LED driver), −40 °C to 85 °C temperature range, surface-mount 40‑QFN (5.0 × 5.0 mm, 0.4 mm pitch) package with up to 34 programmable I/O lines.

Typical Applications

• Touch Key User Interfaces Integrated 24-channel self-capacitive touch controller and fast calibration simplify design of touch panels and control keypads.
• LED Display and Indicator Control Built-in 8COM × 20SEG LED driver enables compact visual feedback and display solutions without external driver ICs.
• Home and Consumer Appliances Timers, PWM channels, buzzer drivers and ADC inputs provide the peripherals needed for appliance control, status sensing and user feedback.
• Industrial Control Panels Robust reset, BOD/LVI protection, wide voltage and temperature ranges make the device suitable for industrial human‑machine interfaces and monitoring.

Unique Advantages

• Highly integrated touch and display support: Combines a 24-channel touch controller with an 8COM × 20SEG LED driver to reduce external components and BOM complexity.
• Balanced memory and code protection: 32 Kbytes Flash with code area protection alongside SRAM and ample XRAM supports responsive firmware and secure deployment.
• Comprehensive analog and timing peripherals: 12-bit ADC, multiple 16-bit timers and 16-bit PWMs enable mixed-signal sensing and precise actuator control without extra ICs.
• System reliability features: POR, BOD, LVI and WDT provide fundamental safeguards for unattended or mission-critical embedded systems.
• Flexible power and clocking: Internal and external oscillator options plus power-saving modes allow designers to optimize for cost, performance or low power operation.
• Compact SMT package: 40‑QFN (5×5 mm) surface-mount package offers a small PCB footprint while exposing up to 34 programmable I/O lines.

Why Choose A96T218OUN?

The A96T218OUN is positioned as a practical, integration-focused microcontroller for embedded control designs that require capacitive touch sensing and LED driving alongside standard MCU peripherals. Its blend of on-chip Flash, dedicated touch sensing, LED driver, analog converters and robust system features makes it suitable for designers seeking to minimize BOM and simplify hardware design.

Engineers developing consumer, appliance or industrial user interfaces will find the A96T218OUN offers a compact platform with verified documentation and a broad operating range to support reliable, long-term deployment.

Request a quote or submit an inquiry to receive pricing and availability information for the A96T218OUN. Our team can provide support materials and ordering details to help integrate this device into your next touch‑interface or embedded control design.