A96T418GDN

The A96T418GDN is an M8051-based 8-bit microcontroller designed for embedded touch and control applications. It combines a 32 Kbyte flash program memory and a flexible 2 Kbyte data memory architecture with an integrated 20-channel self-capacitive touch engine, 12-bit ADC, and an LED driver to deliver a compact, cost-effective control solution.

On-chip peripherals including timers, communication interfaces, watchdog, POR/LVR and an on-chip oscillator simplify system design for consumer, appliance and industrial user-interface applications that require reliable touch sensing and LED driving.

Key Features

• Core  M8051 8-bit CISC core running up to 16 MHz for predictable legacy MCU performance.
• Memory  32 Kbytes on-chip FLASH program memory with 2 Kbytes of data RAM (256 bytes IRAM + 1,792 bytes XRAM) for flexible code and data placement.
• Touch & LED  20-channel self-capacitive touch sensing with 16-bit resolution and single/multi-key detection modes; integrated LED driver supporting 8 COM × 16 SEG with constant-current segment levels.
• Analog  12-bit A/D converter with 8 external input channels and one internal reference channel (125 ksps), enabling precision sensor and analog signal acquisition.
• Timers & PWM  Multiple timers including Basic Interval Timer, Watch Dog Timer, 8-bit T0 and five 16-bit timers (T1–T5); PWM support (8-bit and 16-bit) for control tasks.
• Interfaces  Serial connectivity with USART, USI (supporting USART/SPI/I2C) and dedicated I2C to integrate with peripherals and system buses.
• Power & System Reliability  Wide operating supply 2.0–5.5 V @ 16 MHz (2.7–5.5 V for touch, ADC, LED driver), Power-on Reset, Low-Voltage Reset (15 levels), Low-Voltage Indicator (10 levels), and STOP/IDLE power-down modes.
• GPIO  Up to 26 general-purpose I/O pins with high-sink capability on up to 8 ports for direct drive and sensing tasks.
• Package & Temperature  28-SOP (300 mil) surface-mount package; operating temperature range −40°C to +85°C. Pb-free package option documented in datasheet.

Typical Applications

• User Interface & Touch Panels  Multi-channel self-capacitive touch with high resolution and CS immunity makes the A96T418GDN well suited for capacitive keypads and touch controls.
• Home Appliances  Integrated LED driver, touch sensing and timers simplify UI and control implementations in appliances such as ovens, washers and HVAC controllers.
• Consumer Electronics  12-bit ADC and serial interfaces support sensor interfacing and peripheral control for devices with compact user interfaces and display indicators.
• Industrial Control Panels  Robust POR/LVR and watchdog features combined with wide voltage and temperature ranges enable reliable human‑machine interfaces in industrial environments.

Unique Advantages

• Highly integrated user-interface peripherals: Combines 20-channel touch sensing and an 8 COM × 16 SEG LED driver on-chip to reduce BOM and simplify PCB layout.
• Flexible memory configuration: 32 KB flash plus 256 B IRAM and 1,792 B XRAM provides room for compact application code and variable data usage models.
• Precision sensing and acquisition: 12-bit ADC (8 external channels, 125 ksps) supports accurate analog input monitoring alongside capacitive touch.
• Comprehensive system safety features: POR, multi-level LVR and a watchdog timer help ensure predictable reset and fault recovery behavior.
• Wide supply and environmental range: 2.0–5.5 V operating range (2.7–5.5 V for touch/ADC/LED) and −40°C to +85°C temperature rating for broad deployment conditions.

Why Choose A96T418GDN?

The A96T418GDN positions itself as a compact, integrated MCU for designs that require capacitive touch, LED driving and precise analog inputs without a large external component count. Its combination of a proven M8051 core, on-chip touch engine, 12-bit ADC and LED driver simplifies UI-centric embedded designs while maintaining predictable performance.

Manufactured by Abov, the A96T418GDN is suited for product teams targeting consumer, appliance and industrial control interfaces that need a cost-effective MCU with touch sensing, reliability features and flexible I/O in a 28-SOP package.

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