A96T218KDN

The A96T218 is an 8-bit CMOS microcontroller based on the M8051 core, integrating 32 Kbytes of Flash and 2 Kbytes of RAM (256 bytes SRAM + 1,792 bytes XRAM). It combines a high-resolution 24-channel self-capacitive touch engine with LED-driving and mixed-signal peripherals to deliver a compact, highly integrated solution for embedded control and human‑machine interface designs.

Designed for touch‑key and general embedded control applications, the A96T218 provides a balanced mix of CPU performance, analog conversion and timing resources, and low‑power modes to support responsive user interfaces and efficient system control across varied voltage and temperature ranges.

Key Features

• Core & Performance M8051-based 8-bit CPU with internal 16 MHz RC oscillator supporting up to 16 MHz system clock.
• Memory 32 Kbytes Flash program memory with code area protection; 256 bytes SRAM plus 1,792 bytes XRAM (total 2 Kbytes RAM).
• Touch & LED 24‑channel self‑capacitive touch controller with 16‑bit sensing resolution, fast initial self‑calibration and single/multi‑key detection modes; integrated LED driver supporting 8 COM × 20 SEG.
• Analog & Data Conversion 12‑bit A/D converter with 8 channels (125 ksps) for precise sensor interfacing and analog monitoring.
• Timers & PWM Three 16‑bit timers/counters and three 16‑bit PWM channels for timing, motor/actuator control and waveform generation.
• Connectivity I2C and dual USART interfaces provide on‑chip support for common serial communications and peripheral interfacing.
• System Reliability On‑chip Power‑On Reset (POR), Brown‑Out Detection (BOD), Low Voltage Indicator (LVI) and Watchdog Timer (WDT) for robust operation.
• Audio & Utility Two‑channel buzzer driver and 32‑bit free run counter for system timing and audible alerts.
• Power & Clock Wide operating voltage: 2.0 V – 5.5 V (at 16 MHz); 2.7 V – 5.5 V when using touch and LED driver. Internal and external oscillator options plus 32.768 kHz crystal support for sub‑clock.
• Package & I/O Surface‑mount 32‑SOP (300 mil) package with up to 30 programmable I/O lines; operating temperature −40 °C to 85 °C.
• Low‑Power Support Multiple power‑saving modes to minimize consumption for battery‑powered and energy‑sensitive applications.

Typical Applications

• Touch Key Panels Integrated 24‑channel self‑capacitive sensing combined with LED driving makes the A96T218 ideal for touch key interfaces in appliances and control panels.
• Consumer Electronics Use for user interface control, buzzer alerts and LED status displays where compact integration and reliable analog inputs are required.
• Embedded Control Systems General embedded control applications that require timers, PWM, ADC and serial communication in a single‑chip solution.

Unique Advantages

• Highly integrated touch and display control: Combines a 24‑channel touch engine with an 8 COM × 20 SEG LED driver to reduce BOM and simplify UI design.
• Comprehensive mixed‑signal peripherals: 12‑bit ADC, multiple 16‑bit timers and PWM channels provide the analog and timing resources needed for diverse control tasks.
• Flexible power and clocking: Wide VCC range and support for internal/external oscillators plus a 32.768 kHz sub‑clock enable varied power and timing architectures.
• Robust system features: POR, BOD, LVI and watchdog support improve system reliability in real‑world operating conditions.
• Compact package with ample I/O: 32‑SOP footprint with up to 30 programmable I/O lines fits space‑constrained designs without sacrificing connectivity.
• Fast, accurate touch sensing: 16‑bit sensing resolution and bias‑calibration for improved SNR plus fast initial self‑calibration for reliable touch detection.

Why Choose A96T218KDN?

The A96T218KDN delivers a balanced combination of M8051 CPU compatibility, extensive on‑chip peripherals and a high‑performance touch sensing subsystem—making it well suited for designs that require responsive human‑machine interfaces alongside robust control capabilities. Its integrated LED driver, multi‑channel ADC, timers/PWM and serial interfaces reduce component count and simplify firmware and hardware integration.

With a wide supply range, surface‑mount 32‑SOP package, and industrial temperature rating, the A96T218KDN provides a compact, reliable platform for product lines that demand consistent touch performance, flexible I/O and dependable system monitoring features over the product lifecycle.

Request a quote or submit an inquiry to receive pricing and availability information for the A96T218KDN, or to discuss how it can fit into your next embedded touch‑interface or control design.