MC94F1202AMB

The MC94F1202A is an 8-bit CMOS microcontroller based on the high-performance CM8051-S CPU. It integrates 2 Kbytes of on-chip Flash program memory, 256 bytes of SRAM, an on-chip 12-bit ADC and multiple timing and system-reliability peripherals for compact embedded control designs.

Designed for embedded control and low-power applications, the device combines analog and timer resources with power-saving modes and wide supply range (2.2–5.5 V), making it suitable for battery charge/discharge control, small home appliances and other embedded control tasks that require analog sensing and reliable system supervision.

Key Features

• Core  High-performance CM8051-S 8-bit CPU offering an 8051-compatible architecture and support for embedded control firmware.
• Memory  2 Kbytes on-chip Flash program memory with code area protection and 256 bytes of SRAM for data and stack usage.
• 12-bit ADC  Single 12-bit A/D converter with 14 channels and up to 50 ksps, enabling precise multi-channel analog sensing and monitoring.
• Timers & PWM  16-bit timer/counter/PWM resources for motor control, timing, and pulse generation tasks.
• System supervision  Watchdog Timer with WDT oscillator, Power-On Reset (POR), Low Voltage Indicator (LVI) and Low Voltage Reset (LVR) for reliable start-up and fault recovery.
• Oscillators  Internal RC oscillator and internal WDT-oscillator reduce external component count and simplify clocking.
• Power and low-power modes  Support for power-saving operating modes plus wide supply voltage range (2.2–5.5 V) suitable for battery-powered designs.
• I/O and package  Up to 14 programmable I/O lines in a compact 16-SOP (150 mil) surface-mount package; operating temperature range −40 to 85 °C.

Typical Applications

• Battery charge & discharge control  On-chip ADC, watchdog and voltage supervision functions enable accurate measurement and reliable control for battery management systems.
• Small home appliances  Integrated timers, PWM and analog input channels provide the control and sensing needed for consumer appliances with compact BOM.
• Embedded control applications  Low-power modes, internal oscillators and mixed-signal peripherals make the part well suited for a variety of small embedded control and monitoring tasks.

Unique Advantages

• Highly integrated analog and control peripherals: 12-bit ADC with 14 channels plus 16-bit timers and PWM reduce external components and simplify system design.
• Reliable system supervision: POR, LVI/LVR and an on-chip watchdog with dedicated oscillator provide robust start-up and fault recovery mechanisms.
• Compact, production-ready package: 16-SOP surface-mount package with up to 14 I/O lines supports space-constrained board layouts.
• Wide supply and temperature range: Operates from 2.2 to 5.5 V and −40 to 85 °C to support battery-operated and industrial ambient conditions.
• Field-updateable program memory: 2 Kbytes of on-chip Flash with code area protection enables firmware updates and secure deployment.

Why Choose MC94F1202AMB?

The MC94F1202AMB combines an 8051-class CM8051-S CPU with precise analog conversion, robust timing resources and built-in system supervision to deliver a compact, reliable solution for embedded control designs. Its mix of Flash memory, multi-channel 12-bit ADC and power management features makes it especially well suited for battery-related control and small appliance applications where integration and component count matter.

Engineers building compact, low-power products will find the MC94F1202AMB provides the essential on-chip peripherals and voltage/temperature operating ranges needed for dependable operation and simplified BOM planning.

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