A96G140CU

The A96G140CU is an advanced CMOS 8‑bit microcontroller from Abov's A96G14x series, built around an M8051-compatible CISC core. Designed for embedded control applications, it combines on‑chip Flash, abundant GPIO and high‑current ports, a multi‑channel 12‑bit ADC, and a range of timers and serial interfaces to support sensor interfacing, user‑interface control and general embedded system tasks.

With wide operating voltage (1.8–5.5 V), support for internal and external oscillators, and power‑saving modes, the device targets designs that require integration, flexible I/O and reliable system monitoring in a compact 48‑QFN package.

Key Features

• Core  8‑bit CISC M8051 core (8051 compatible) with 2 clocks per cycle and minimum instruction execution time of 125 ns (@16 MHz main clock).
• Memory  64 Kbytes on‑chip Flash with in‑system programming and 30,000 cycle endurance; 256 bytes IRAM plus 2.3 Kbytes XRAM (total RAM ≈ 2.5 Kbytes).
• Analog  12‑bit A/D converter with 16 input channels and up to 133 ksps sampling, suitable for multi‑sensor data acquisition.
• Timers & PWM  Comprehensive timer set including Basic Interval Timer (BIT), Watch Dog Timer (WDT), Watch Timer (WT) with selectable intervals, one 8‑bit timer (T0) and five 16‑bit timers (T1–T5) supporting programmable pulse generation and 8‑bit PWM.
• Serial Interfaces  USI0/1 (configurable as USART/SPI/I2C, 2 channels) plus USART2 (1 channel) providing flexible serial connectivity options for peripherals and networks.
• GPIO & High‑Current Port  Up to 46 general purpose I/O pins across multiple ports, including an 8‑bit high sink current port (P3[7:0]) for driving LEDs, indicators or loads.
• System Reliability  Power‑on reset (POR), low voltage reset (LVR with 16 selectable levels) and low voltage indicator (LVI with 13 levels) plus watchdog and watch timer functions for robust system supervision.
• Oscillator & Clock  Internal RC oscillator (HSI 32 MHz and LSI 128 kHz options) and support for external main crystals (4–12 MHz) and 32.768 kHz sub clock for accurate timing.
• Power & Low‑Power Modes  Wide supply range (1.8–5.5 V) with STOP and IDLE power‑saving modes to support energy‑aware designs.
• Package & Temperature  48‑QFN, 6 × 6 mm (0.4 mm pitch) surface‑mount package; operating temperature range −40 to +85 °C.

Typical Applications

• Home Appliances  Embedded control for household devices where compact footprint, integrated ADC and multiple timers simplify motor control, user interfaces and sensor monitoring.
• Consumer Electronics  Control and interface tasks in consumer products that require on‑chip Flash, multiple serial interfaces and robust reset/voltage supervision.
• Industrial Control  Low‑to‑mid complexity control systems and monitoring nodes benefiting from wide input voltage range, watchdog functionality and extended temperature operation.
• Sensor Hubs & Data Acquisition  Multi‑channel 12‑bit ADC and plentiful I/O enable aggregation of analog sensors and preprocessing before host communication.

Unique Advantages

• Highly integrated feature set: 64 Kbytes Flash, multi‑channel ADC, multiple timers and serial interfaces reduce external component count and simplify BOM.
• Flexible serial connectivity: USI0/1 and USART2 configurable for USART, SPI or I2C provide versatile peripheral and network options without additional transceivers.
• Robust supply and reset handling: POR, multi‑level LVR/LVI and watchdog/watch timer features help protect runtime reliability across varying supply conditions.
• Wide power and clock options: Operates across 1.8–5.5 V with internal 32 MHz RC and support for external crystals, enabling different power/performance tradeoffs.
• Compact, production‑ready package: 48‑QFN 6×6 mm footprint provides high I/O density in a small surface‑mount package for space‑constrained designs.

Why Choose A96G140CU?

The A96G140CU pairs a proven M8051‑compatible core with a broad set of on‑chip peripherals—Flash, RAM, multi‑channel ADC, versatile timers and serial interfaces—making it a practical choice for embedded control designs that demand integration and dependable system monitoring. Its wide supply voltage range, selectable oscillator sources and power‑saving modes offer designers flexibility across battery and mains‑powered applications.

This device is suited to engineers and product teams building compact appliances, consumer devices, sensor nodes and control modules who need a reliable, feature‑rich 8‑bit MCU platform with in‑system programming and configurable communications options for streamlined development and production.

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