A96T448GDN

The A96T448GDN from Abov is an M8051-based 8-bit microcontroller that combines 32 Kbytes of on-chip FLASH and 2.5 Kbytes of SRAM with a comprehensive set of mixed-signal peripherals. It is designed for touch and smart proximity sensing applications and integrates self-capacitive touch sensing, analog conversion, multiple communications interfaces, and power-management features to simplify system design.

With on-chip POR/LVR, internal oscillators, and documented noise-immunity characteristics, the A96T448GDN delivers a flexible, cost-effective solution for embedded user interfaces and sensor-control applications requiring reliable touch performance and compact integration.

Key Features

• Core  8-bit M8051 core, 8051-compatible with 2-clock-per-cycle operation for predictable instruction timing and code compatibility.
• Memory  32 Kbytes on-chip FLASH program memory (10,000 write endurance) and 2.5 Kbytes SRAM for application and runtime data.
• Touch and Sensing  23-channel self-capacitive touch sensing with touch-key interrupt wake-up and 10 V conducted susceptibility (CS) immunity; includes 4-channel water-shield mesh to support robust touch operation.
• Analog  12-bit A/D converter with 8 external input channels plus an internal reference-voltage channel for precise analog sensing.
• Timers and PWM  Comprehensive timer set including Basic Interval Timer, Watchdog Timer, one 8-bit timer and five 16-bit timers, plus PPG (16-bit) and six 8-bit PWM channels for control and timing functions.
• Interfaces  I2C ×1, SPI ×2 and USART ×2 communications channels to support sensor, display and peripheral connectivity.
• GPIO and LED Drive  Up to 26 general-purpose I/O ports with eight high-sink current ports suitable for direct LED driving and other high-current loads.
• Clock and Power  On-chip HSIRC 16 MHz and LSIRC 32 kHz oscillators, on-chip WDT oscillator, Power-On Reset and Low-Voltage Reset with selectable release levels; operating voltage range 2.0–5.5 V (2.7–5.5 V when using 1.5% IRC and 10 V touch CS conditions).
• Package and Environment  Available in 28-SOP surface-mount package and specified for −40 to +85 °C operating temperature.

Typical Applications

• Touch and Proximity Interfaces  Self-capacitive 23-channel sensing and touch-key interrupt wake-up make the A96T448GDN suitable for multi-key touch panels and proximity interfaces.
• Home Appliance Control  Integrated touch sensing, ADC inputs and PWM/timer resources support user-interface control and status indication in household appliances.
• Consumer Electronics  Combines serial interfaces, ADC and LED-drive capability for compact consumer devices that require touch controls and mixed-signal peripherals.
• Industrial HMI  Robust touch immunity and wide operating temperature range enable reliable human-machine interface implementations in industrial environments.

Unique Advantages

• Highly integrated touch subsystem  23-channel self-capacitive touch with water-shield mesh and CS immunity reduces external components and simplifies touch-panel design.
• Mixed-signal versatility  12-bit ADC with multiple channels, high-sink I/O ports and extensive timers/PWM provide the analog and control resources needed for diverse embedded tasks.
• Flexible power and clocking  Wide VCC range (2.0–5.5 V) and on-chip oscillators reduce BOM and support varied power architectures and clocking modes.
• Compact software footprint  32 Kbytes of FLASH and an 8051-compatible core with 2-clock-per-cycle operation support efficient code development and compatibility with existing 8051 toolchains.
• Designed for reliable operation  On-chip POR/LVR, selectable reset and low-voltage indicator levels, plus WDT and documented noise-immunity features support dependable system behavior.

Why Choose A96T448GDN?

The A96T448GDN balances a proven M8051 architecture with a focused set of integrated peripherals tailored for touch and mixed-signal embedded designs. Its combination of 23-channel self-capacitive touch sensing, 12-bit ADC inputs, multiple serial interfaces and flexible timer/PWM resources makes it well suited to applications that require compact BOM, reliable touch performance and straightforward system control.

Packaged in a surface-mount 28-SOP and specified for −40 to +85 °C, the A96T448GDN is positioned for designers building consumer, home-appliance and industrial HMI products that need integrated touch capability, robust reset and clock features, and predictable 8051-based software development.

Request a quote or submit an inquiry to receive pricing and availability information for the A96T448GDN. Our team can provide details to support your design evaluation and volume planning.