A96A166FD
| Part Description |
A96G166 8-bit CMOS Microcontroller (16 Kbytes Flash) |
|---|---|
| Quantity | 651 Available (as of October 16, 2026) |
| Product Category | Microcontrollers |
|---|---|
| Manufacturer | ABOV Semiconductor |
| Manufacturing Status | Mass Production |
| Manufacturer Standard Lead Time | Contact Us |
| Datasheet |
Specifications & Environmental
| Connectivity | I2C, SPI, UART/USART | Core Processor | M8051 | Core Size | 8-Bit | ||
|---|---|---|---|---|---|---|---|
| Data Converters | A/D 10x12b | Device Package | 20-SOP | ECCN | EAR99 | ||
| EEPROM Size | 0 Kbytes | HTS Code | 8542.31.00.00 | Moisture Sensitivity Level | N/A | ||
| Mounting Method | Surface Mount | Number of I/O | 18 | Operating Temperature | -40°C - 85°C | ||
| Oscillator Type | Internal/External | Package / Case | 20-SOP (300mil) | Program Memory Size | 16 Kbytes | ||
| Program Memory Type | FLASH | RAM Size | 768 Bytes | REACH Compliance | Unknown | ||
| RoHS Compliance | Unknown | Speed | 16 MHz | Voltage | 1.8V - 5.5V |
Overview of A96A166FD – A96G166 8-bit CMOS Microcontroller (16 Kbytes Flash)
The A96G166 is an 8-bit CMOS microcontroller based on an M8051-compatible core running up to 16 MHz, designed for embedded control applications. It combines 16 Kbytes of on-chip Flash, 0.75 Kbytes of RAM (256 bytes iRAM + 512 bytes xRAM) and a rich set of integrated peripherals to simplify control, sensing and user-interface tasks.
Key Features
- Core M8051-compatible 8-bit CISC core with operation up to 16 MHz, providing familiar instruction set compatibility for legacy and new 8-bit designs.
- Memory 16 Kbytes of on-chip FLASH program memory with 256 bytes iRAM and 512 bytes xRAM (0.75 Kbytes total RAM) for code and data storage in space-constrained applications.
- Power and Voltage Wide operating VCC/VDD range from 1.8 V to 5.5 V to support multiple battery and system-voltage scenarios; includes on-chip POR, LVR/LVI for reliable startup and voltage supervision.
- Timers and Pulse Outputs Multiple timers including 8/16-bit timer/counters, basic interval timer, and programmable pulse generation (PPG) and PWM outputs for timing, PWM-driven actuators and control loops.
- Analog 12-bit A/D converter for precision sensor interfacing and analog measurements.
- Interfaces Integrated serial peripherals including USART and I2C to handle communication and peripheral connectivity for common embedded interfaces.
- System Reliability Window watchdog timer, watch timer and on-chip power supervision features to enhance system robustness and fault recovery.
- Low Power Modes Support for power saving modes to lower energy consumption in battery-powered or energy-sensitive designs.
- I/O and Driving Up to 18 general-purpose I/O pins with LED driver / high-current port capability to drive indicators and external devices directly.
- Package & Temperature Available in a 20-SOP (300 mil) surface-mount package and guaranteed operation from −40 °C to +85 °C for industrial-temperature applications.
Typical Applications
- Embedded Control Compact control systems benefiting from an 8-bit 8051-compatible core, integrated timers and PWM for real-time control tasks.
- Sensor Interfaces Systems requiring analog-to-digital conversion and serial buses (I2C/USART) for sensor acquisition and data communication.
- User Interface and Indicator Control Devices with status LEDs and simple HMI functions leveraging the high-current port and multiple I/O lines.
- Motor and Actuator Drive Small motor and actuator control using PWM/PPG outputs and timer resources for speed and position control in compact appliances and instruments.
Unique Advantages
- Compact, integrated solution: On-chip Flash, RAM and a broad peripheral set reduce external component count and simplify PCB design.
- Flexible power operation: Wide supply range (1.8–5.5 V) and power saving modes enable deployment across battery- and line-powered systems.
- Robust supervision: On-chip POR, LVR/LVI and window WDT provide built-in protection and predictable recovery behavior for reliable operation.
- Precision sensing: 12-bit ADC combined with multiple timers and serial interfaces supports accurate sensor readout and control loops.
- Industry temperature range: −40 °C to +85 °C operation supports industrial and harsh-environment designs.
Why Choose A96A166FD?
The A96A166FD (A96G166) positions itself as a reliable, highly integrated 8-bit microcontroller for embedded control designs that require a compact memory footprint, versatile analog and timing peripherals, and robust voltage supervision. Its M8051-compatible core and familiar peripheral set make it a practical choice for teams migrating legacy firmware or developing new 8-bit solutions.
Ideal for developers building sensor-driven devices, user interfaces, and small actuator control systems, this device delivers a balance of performance, low-power operation and system-level features underpinned by ABOV Semiconductor’s product family.
Request a quote or submit an inquiry to discuss pricing, lead times and sample availability for the A96A166FD. Our team can provide technical details to help you integrate this microcontroller into your design.

Date Founded: 2006
Headquarters: Cheongju-si, Chungcheongbuk-do, Republic of Korea
Employees: 200+
Revenue: $95.4 Million
Certifications and Memberships: ISO9001:2015, ISO14001:2015, UL60730