A96T418FDN

The A96T418FDN is an M8051-based 8-bit microcontroller from Abov Semiconductor, optimized for touch-sensing and user-interface applications. It integrates program flash, multiple memory domains, ADC, capacitive touch engine and an LED driver to support compact, cost-effective embedded designs.

Targeted at appliance and human‑machine interface applications, the device combines a 16 MHz M8051 core with dedicated peripherals for sensing, display driving and system reliability to simplify BOM and accelerate development.

Key Features

• Core — 8‑bit M8051 (M8051) core running up to 16 MHz.
• Memory — 32 Kbytes on‑chip FLASH for program code, 256 bytes IRAM and 1,792 bytes XRAM for application data and buffering.
• Power and Voltage — Operating voltage 2.0 V to 5.5 V (@16 MHz); touch, ADC and LED driver operate from 2.7 V to 5.5 V. Includes on‑chip Power‑On Reset (POR) and Low Voltage Reset (LVR).
• Timers and Watchdog — Basic Interval Timer (BIT), Watchdog Timer (WDT), 8‑bit timer T0 and multiple 16‑bit timers for timing, PWM and event counting.
• Analog — 12‑bit A/D converter with 8 external input channels plus an internal reference channel for precise sensor measurements.
• Touch Sensing — Integrated self‑capacitive touch engine (13 channels for A96T418FDN) with 16‑bit sensing resolution and immunity features for robust key/proximity detection.
• LED Drive — On‑chip LED driver supporting 8 COM × 15 SEG configuration (A96T418FDN), constant‑current segment control and multi‑level segment current control.
• Communications — Flexible serial interfaces including USI (supports USART/SPI/I2C functionality) and a dedicated USART for peripheral and host communication.
• GPIO — General‑purpose I/O available (device variant counts); high‑sink port options for direct drive of LEDs and indicators.
• Package and Temperature — Available in 20‑SOP (300 mil) package; specified operating temperature range −40 °C to +85 °C.

Typical Applications

• Touch‑based user interfaces — Capacitive touch keys and proximity sensing for consumer and appliance control panels, leveraging the integrated 13‑channel touch engine.
• Display and indicator driving — Directly drive multi‑segment LED displays or indicators using the 8COM × 15SEG LED driver to reduce external components.
• Sensor and analog front‑end — 12‑bit ADC with multiple input channels for environmental or user‑input sensing and monitoring.
• Embedded control in appliances — MCU control, timing and communication functions for compact appliance sub‑systems where integration and reliability are important.

Unique Advantages

• Highly integrated touch and display support: On‑chip capacitive touch controller and LED driver cut external component count and simplify PCB design.
• Balanced memory architecture: 32 KB FLASH with both IRAM and a large XRAM region supports code density and data buffering for UI and communication tasks.
• Robust analog and sensing: 12‑bit ADC and internal reference channel provide resolution and flexibility for multiple sensor inputs.
• System reliability features: Built‑in POR, multi‑level LVR and a watchdog timer help maintain reliable start‑up and runtime behavior.
• Wide supply and temperature range: Operates from 2.0 V to 5.5 V and −40 °C to +85 °C, enabling deployment across a variety of embedded environments.
• Flexible serial interfaces: USI and USART support common host and peripheral protocols (USART/SPI/I2C) for easy integration into system architectures.

Why Choose A96T418FDN?

The A96T418FDN positions itself as a compact, integrated MCU choice for designs that require capacitive touch sensing, LED driving and mixed‑signal interfacing within a single 20‑SOP package. Its M8051 core combined with on‑chip flash, substantial XRAM, multiple timers and a 12‑bit ADC makes it suitable for embedded HMI, appliance controls and sensor‑driven applications where reducing BOM and simplifying firmware integration matter.

Delivered by Abov Semiconductor, the A96T418FDN offers a blend of peripheral integration and system reliability features that help shorten design cycles and support production‑ready implementations in temperature and voltage ranges common to consumer and industrial embedded systems.

Request a quote or contact sales to discuss pricing, lead times and sample availability for the A96T418FDN.