The AX8F83XX series is a highly integrated 8-bit microcontroller based on an enhanced 1T tiny 8051 core. Fully compatible with standard 8051 instructions yet operating up to 10 times faster, the AX8F83XX offers exceptional performance and flexibility for a wide range of industrial and consumer electronics applications.

Key Features and Highlights

• Operating Voltage: 2.0V to 5.5V

• Operating Temperature: -40°C to +105°C

• Package Options: SOP28, TSSOP28, SSOP28, QFN28, SSOP24, SOP20, TSSOP20, QFN20, SOP16, SOP8

• Core: Enhanced 1T Tiny 8051

• Max Frequency: 32MHz

• Flash Memory: Up to 32KB with 100,000 erase/write cycles

• Boot Loader: 8KB programmable, 100,000 erase/write cycles

• SRAM: 256 Bytes internal + 1.5KB external

Clock Sources

• Internal HRC: 32MHz (±1% adjustable)

• Internal LRC: 32KHz (±2% adjustable)

• External Crystal Oscillators:

• LOSC: 32.768KHz

• HOSC: 2–32MHz

Peripheral and Interface Integration

• Interrupts: 9 interrupt sources with 2-level priority; 6 external interrupts with flexible edge triggering

• Timers: Three 16-bit general-purpose timers, 8051 compatible

• GPIOs: 26 multifunctional pins supporting push-pull, open-drain, pull-up/down, and high-impedance modes

• Current Drive Capability: Sink 80mA@0.3VDD, Source 30mA@0.7VDD

Communication Interfaces

• UART: 2 UART interfaces, pin-configurable, adjustable baud rate

• SPI: Master/Slave mode, 3/4-wire, up to 8Mbps

• I²C: 1 channel slave mode, standard and fast mode, pin-selectable

Advanced Control Modules

• PWM:

• 4 pairs of 12-bit PWM with prescalers

• Complementary output, dead-zone control, edge and center alignment modes

• Dedicated pair with braking and monostable features for motor control

• WDT: 15-bit watchdog with adjustable timeout (7.8125ms to 1s), reset or interrupt selectable

• WKT: Self-wakeup timer with 1ms–1s interval, optional external clock source for accurate timing

Analog Features

• ADC:

• 12-bit SAR ADC with 26 channels

• Sampling from any pin

• Max speed 1Msps

• Integrated comparator

• Internal reference options: 1.024V / 2.048V / 3.072V / 4.096V

• Operational Amplifier: 1 high-precision op-amp for standalone or ADC front-end use

Touch Sensing & Display

• Touch Key:

• Up to 26 touch channels

• Supports low-power wake-up

• Passes CS-10V and EFT-4KV testing

• LED Driver:

• Matrix scanning up to 25Seg × 26Com or 18Seg × 8Com

• Flexible COM/SEG pin assignment

• Stepless brightness adjustment for uniform display

System Reliability & Protection

• Low Voltage Detection (LVD): 8 selectable levels from 1.8V to 4.3V, supports interrupt or reset

• Reset Control: Integrated power-on and brown-out reset

• In-System Programming (ISP) & In-Application Programming (IAP)

• On-chip Debug & Simulation

• Code Protection Supported

Ultra-Low Power Consumption

• IDLE Mode: 2.2μA

• STOP Mode: 2.2μA

• Active Mode: Typical 2.5mA @ 32MHz, 5V

Robust EMC Performance

• EFT Immunity: ±4KV

• ESD (HBM): ±8KV

• Latch-Up Protection: >200mA

Application Fields

The AX8F83XX series is a perfect fit for applications requiring a balance of performance, integration, and reliability, including:

• Smart Lighting & Home Automation

• Touch-Control Switches

• Small and Large Household Appliances

• Industrial Equipment Controllers

• Wireless Communication Modules

• LED Matrix Displays and Drivers

  

Why Choose AX8F83XX?

Whether you're building intelligent control systems, power-efficient sensor interfaces, or robust LED control modules, the AX8F83XX series delivers outstanding value through its powerful feature set, compact form factor, and industrial-grade reliability.

Contact us today to explore how the AX8F83XX series can help you innovate your next-generation products： Email to sales01@axtekic.com.