MC94F1102ASB2

The MC94F1102A is an 8-bit CMOS microcontroller based on a high-performance CM8051-S CPU core, optimized for compact embedded control applications. It integrates 2 Kbytes of on‑chip Flash, 256 bytes of SRAM and a range of analog and timing peripherals to simplify low‑pin‑count system designs.

Key use cases include battery charge/discharge control and small home appliances where integrated ADC, timers, watchdog and internal oscillators reduce board space and component count while supporting operation across a wide supply and temperature range.

Key Features

• Core & Performance — CM8051-S 8‑bit CPU architecture with a documented operating speed of 16 MHz for typical embedded control tasks.
• Memory — 2 Kbytes of on‑chip Flash program memory with code area protection and 256 bytes of SRAM data memory.
• Analog & Data Conversion — Integrated 12‑bit A/D converter: 1 unit, 8 channels, 50 ksps, suitable for sensor interfacing and measurement tasks.
• Timers & PWM — 16‑bit timer/counter with PWM capability for motor drive, timing and control functions; includes carrier generator features.
• System & Clock — Internal RC oscillator (documented internal RC source in datasheet) and on‑chip clock circuitry to minimize external components.
• Watchdog & Reset — Built‑in Watch Dog Timer (WDT) with internal WDT oscillator, plus Power‑On Reset (POR), Low‑Voltage Indicator (LVI) and Low‑Voltage Reset (LVR) for robust system reliability.
• Low Power — Multiple power‑saving modes to reduce power consumption in battery‑powered and energy‑sensitive applications.
• I/O & Package — 8 programmable I/O lines in a compact 10‑pin SSOP (150 mil) surface‑mount package for cost‑effective, space‑constrained designs.
• Supply & Temperature — Wide supply voltage range 2.2–5.5 V and documented operating temperature range −40 to 105 °C for rugged environments.

Typical Applications

• Battery Charge & Discharge Control — ADC channels and watchdog/voltage monitoring features enable safe charging algorithms and cell monitoring.
• Small Home Appliances — Compact package, timers and PWM support motor and actuator control in countertop and handheld appliances.
• Sensor-Based Control — 12‑bit ADC with multiple channels provides accurate sensor measurement for control loops and monitoring functions.
• Compact Embedded Controllers — Low pin count and integrated clocking/analog peripherals make the device suitable for space‑ and cost‑sensitive embedded controllers.

Unique Advantages

• Highly integrated solution: On‑chip Flash, SRAM, 12‑bit ADC, timers, WDT and reset circuitry reduce external component count and BOM complexity.
• Compact package footprint: 10‑pin SSOP (150 mil) surface‑mount package enables small PCBA area for portable and space‑limited products.
• Flexible supply operation: 2.2–5.5 V supply range supports single‑cell battery systems and multi‑voltage designs without additional regulators.
• Robust system control features: Integrated POR, LVI/LVR and WDT with internal oscillator improve reliability in unattended and safety‑sensitive applications.
• Measurable analog performance: 12‑bit, 8‑channel ADC at up to 50 ksps provides the resolution and channel count needed for multi‑sensor applications.
• Documented device platform: Datasheet and documented revisions provide clear electrical and functional details for design and qualification.

Why Choose MC94F1102ASB2?

The MC94F1102ASB2 is positioned for engineers designing cost‑sensitive, low‑pin‑count embedded systems that require integrated analog measurement, reliable reset/watchdog control and compact packaging. Its combination of on‑chip Flash, SRAM and peripherals reduces design complexity and shortens time to market for battery‑powered and appliance control applications.

With a wide supply voltage range and extended operating temperature, the device suits applications that demand robustness and predictable behavior across varied environments. The available datasheet and package options support straightforward integration into production designs.

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