MC94F1102ASB

The MC94F1102A is an 8-bit CMOS microcontroller based on the high-performance CM8051-S CPU, designed for compact embedded control applications. It combines 2 Kbytes of on-chip Flash and 256 bytes of SRAM with integrated analog and timing peripherals to simplify control, sensing and power-management designs.

Targeted use cases include battery charge/discharge control and small home appliances, where low-voltage operation, on-chip analog conversion and a small surface-mount package help reduce BOM and footprint while enabling reliable embedded control.

Key Features

• Core & Performance — CM8051-S 8-bit microcontroller core running up to 16 MHz internal clock for typical embedded control tasks.
• Memory — 2 Kbytes of on-chip Flash program memory with code area protection and 256 bytes of SRAM for data and stack.
• Analog & Data Conversion — 12-bit A/D converter, single unit with 8 channels and up to 50 ksps, for precise sensor and battery monitoring.
• Timers & PWM — 16-bit timer/counter with PWM capability to support motor drive, timing and control outputs.
• System Reliability — On-chip Power-On Reset (POR), Low-Voltage Reset (LVR), Low-Voltage Interrupt (LVI) and watchdog timer (WDT) with dedicated oscillator to maintain safe operation.
• Clocking & Oscillator — Internal RC oscillator (internal 32 MHz RC referenced in documentation) to reduce external component count and simplify design.
• Peripheral Integration — Up to 8 programmable I/O lines in the 10-SSOP package.
• Power & Operating Range — Wide supply range from 2.2 V to 5.5 V with power-saving modes to minimize consumption in battery-powered systems.
• Package & Mounting — 10-pin SSOP (150 mil) surface-mount package for space-constrained PCB designs.
• Temperature Range — Specified operation across industrial temperatures (−40 °C to 85 °C) for robust field operation.

Typical Applications

• Battery Charge & Discharge Control — Integrated 12-bit ADC, wide supply range and watchdog/reset features enable accurate monitoring and safe management of battery systems.
• Small Home Appliances — Compact Flash/SRAM memory and on-chip timers/PWM support control of motors, user interfaces and timed operations in compact appliances.
• Compact Embedded Control — Small 10-SSOP package and internal oscillator reduce BOM and board area for space-limited designs.

Unique Advantages

• Highly integrated peripherals: On-chip 12-bit ADC and 16-bit timer/PWM reduce external components and simplify PCB layout.
• Flexible supply and temperature range: 2.2–5.5 V operation and −40 °C to 85 °C rating support a wide range of battery-powered and industrial applications.
• Compact package: 10-SSOP surface-mount package enables dense, space-constrained designs without sacrificing I/O or peripheral functionality.
• Reliable system features: POR, LVI/LVR and watchdog timer with dedicated oscillator provide built-in system protection and recovery mechanisms.
• Reduced external component count: Internal RC oscillator and on-chip converters allow simpler designs and lower BOM cost.
• Proven 8051-based architecture: CM8051-S CPU offers a familiar 8-bit development model for rapid firmware development and integration.

Why Choose MC94F1102ASB?

The MC94F1102A balances compact form factor, comprehensive on-chip peripherals and industrial operating range to serve compact embedded control needs. Its combination of 2 Kbytes Flash, 256 bytes SRAM, 12-bit ADC and multiple system reliability features makes it well suited for battery management and small appliance control where footprint and component count matter.

Manufacturers and designers seeking a compact, integrated 8-bit MCU with proven CM8051-S architecture and on-chip analog/timing resources will find the MC94F1102ASB appropriate for applications that require robust operation across a wide voltage and temperature range.

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