A96G148GD

The A96G148GD is an 8-bit microcontroller based on an 8051-compatible CISC M8051 core, designed for embedded control applications. It combines up to 32 Kbytes of on-chip Flash, a 12-bit ADC, multiple timer/PWM blocks and flexible serial interfaces to address sensor acquisition, control and user-interface tasks in compact designs.

With on‑chip oscillator and clock circuitry, programmable power‑saving modes and a wide operating voltage range, the device delivers a balanced integration of performance and low‑power operation for a variety of embedded systems.

Key Features

• Core 8-bit CISC M8051 core (8051 compatible) with a 2‑clock-per‑cycle architecture; typical operation up to 16 MHz main clock.
• Memory 32 Kbytes on‑chip Flash (in‑system programming supported; endurance specified at 30,000 cycles) and total RAM ≈2.5 Kbytes (256 bytes IRAM + 2,304 bytes XRAM).
• Analog 12‑bit A/D converter with multiple input channels (11 channels on this 28‑SOP device) for precision sensor measurement and data acquisition.
• Timers & PWM Multiple timers including 8/16‑bit timer/counters, a Basic Interval Timer (BIT), Watch Dog Timer (WDT) and Watch Timer (WT). Programmable pulse generation (PPG) and 8‑bit PWM output support motor control, lamp dimming and buzzer drive.
• Peripherals & I/O General purpose I/O ports and dedicated high‑current / LED drive ports; buzzer driving port; device reports 26 I/O lines in this package variant.
• Serial Interfaces Flexible serial communications including USI0/1 (configurable for USART, SPI or I2C) and an additional USART channel, enabling multi‑bus connectivity and peripheral interfacing.
• Clock & Oscillator Internal and external clock support: internal RC oscillators (including HSI 32 MHz and LSI 128 kHz options specified in the datasheet) plus support for external crystals (main and 32.768 kHz subclock).
• Power & Voltage Wide operating supply: 1.8 V to 5.5 V (device and oscillator operating ranges depend on clock source and frequency); power‑down modes (STOP, IDLE) for reduced consumption.
• System Reliability On‑chip Power‑On Reset (POR), Low Voltage Reset/Indicator (LVR/LVI with multiple detection levels) and Watch Dog Timer provide system supervision and robustness.
• Package & Temperature Available in a 28‑SOP surface‑mount package and specified for extended operating temperatures (−40 °C to +85 °C).

Typical Applications

• Embedded control — Central control and timing for compact embedded systems using integrated timers, PWM and watchdog functions.
• Sensor acquisition — Multi‑channel 12‑bit ADC supports analog sensor measurement and A/D conversion for environmental or process monitoring.
• User interface and drive — High‑current ports, LED drivers and buzzer output enable local user feedback and interface control.
• Power‑sensitive devices — Internal oscillator options and STOP/IDLE power modes help reduce system power consumption during standby or sleep.

Unique Advantages

• Integrated memory and ISP: 32 Kbytes Flash with in‑system programming simplifies firmware updates and reduces external memory requirements.
• High‑resolution analog front end: 12‑bit ADC with multiple inputs enables accurate sensor interfacing without additional A/D hardware.
• Versatile timing and PWM: Multiple 8/16‑bit timers, PPG and PWM channels provide flexible control for motors, actuators and PWM‑driven peripherals.
• Robust supervisory features: POR, LVR/LVI levels and a watchdog timer support reliable boot and runtime protection against voltage and software faults.
• Wide supply and thermal range: 1.8–5.5 V operation and extended temperature support make the part adaptable across battery and mains‑powered applications.
• Compact package options: 28‑SOP surface‑mount package delivers a small PCB footprint for space‑constrained designs.

Why Choose A96G148GD?

The A96G148GD balances a proven 8051‑compatible core with a rich set of on‑chip peripherals—Flash, RAM, multi‑channel ADC, timers/PWM and serial interfaces—making it well suited for compact embedded control designs where integration and predictable performance matter. Its supervisory functions and wide operating ranges add resilience across varied operating conditions.

This device is ideal for designers seeking a cost‑effective microcontroller with versatile I/O, precise analog conversion and flexible timing resources. The A96G148GD offers a scalable solution within the A96G14x family for projects that require integrated peripherals and in‑system programmability.

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