MC94F1202AMB2

The MC94F1202A from ABOV Semiconductor is an 8-bit CMOS microcontroller based on the high-performance CM8051-S CPU core. It combines program Flash, SRAM and a rich set of on-chip peripherals to support embedded control tasks with integrated analog and power management features.

Targeted use cases include battery charge/discharge control and small home appliances, where compact packaging, integrated A/D conversion and low-power modes deliver efficient system-level integration.

Key Features

• Core High-performance CM8051-S 8-bit CPU with a core operating frequency up to 16 MHz.
• Flash and SRAM 2 Kbytes of on-chip Flash program memory with code area protection and 256 bytes of SRAM data memory.
• Analog 12-bit A/D converter with 14 channels and up to 50 ksps throughput for precision sensor interfacing.
• Timers and PWM 16-bit timer/counter with PWM capability and a Carrier Generator for flexible timing and control tasks.
• System Reliability On-chip Power-On Reset (POR), Low-Voltage Inhibit (LVI) / Low-Voltage Reset (LVR) and Watchdog Timer (WDT) with WDT oscillator to support safe, reliable operation.
• Clocking Internal RC oscillator (32 MHz, ±1.5% at 25°C) providing on-chip clock generation and simplified system design.
• Low-Power Features Multiple power saving modes to minimize energy consumption in battery-powered or energy-sensitive applications.
• I/O and Packaging Up to 14 programmable I/O lines in a compact 16‑SOP (150 mil) surface-mount package.
• Operating Range Wide supply voltage range of 2.2 V to 5.5 V and an extended operating temperature range of −40 °C to 105 °C.

Typical Applications

• Battery charge & discharge control — Integrated A/D, POR, LVI/LVR and power saving modes enable robust battery management and monitoring functions.
• Small home appliances — Compact package and onboard timers/PWM support motor and user-interface control in compact appliance designs.
• Sensor interfacing and monitoring — 12-bit, 14-channel ADC at 50 ksps provides accurate acquisition for multi-sensor systems.
• Low-power portable systems — Power saving modes and a wide supply voltage range suit battery-operated devices requiring efficient power management.

Unique Advantages

• Highly integrated mixed-signal platform: Combines Flash program memory, SRAM and a 12-bit multi-channel ADC on-chip to reduce BOM and simplify board design.
• Built-in safety and reset features: POR, LVI/LVR and WDT with oscillator help ensure predictable behavior across power and brown-out events.
• Flexible power operation: 2.2–5.5 V supply range and dedicated power saving modes enable designs across a range of battery and mains-powered applications.
• Compact footprint: 16‑SOP surface-mount package with up to 14 I/O lines supports space-constrained designs without sacrificing I/O capability.
• Precision data acquisition: 12-bit ADC with 14 channels and 50 ksps supports accurate multi-channel sensor sampling for control and monitoring tasks.
• Robust operating range: Rated for −40 °C to 105 °C operation to meet demanding environmental conditions.

Why Choose MC94F1202AMB2?

The MC94F1202AMB2 positions itself as a compact, mixed-signal 8-bit MCU that balances program/storage resources, precision analog inputs and essential system supervision features. Its CM8051-S core, on-chip Flash and SRAM, and integrated peripherals provide a streamlined platform for embedded control tasks where board space, power management and reliable resets are important.

This device is well suited for engineers developing battery management systems, small appliance controllers and other embedded applications that benefit from integrated A/D conversion, flexible clocking and robust power-handling features. Its combination of integration and operational range supports long-term deployment in a variety of environments.

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