MC97FG316RBN

The MC97FG316RBN is an advanced CMOS 8-bit microcontroller in the MC97FGx16 family based on the M8051 core, offering 16 Kbytes of on‑chip Flash and a broad set of integrated peripherals for embedded control applications. Designed for cost‑effective, flexible control designs, it combines multi‑channel ADC, multiple PWM and timer resources, and serial interfaces to address motor control, sensor acquisition and general embedded control tasks.

Key Features

• Core and Performance – M8051 8‑bit CISC core with up to 16 MHz main clock operation and minimum instruction execution time of 125 ns at 16 MHz.
• On‑chip Memory – 16 Kbytes of Flash program memory, 256 bytes IRAM, 768 bytes XRAM and 512 bytes EEPROM for flexible code and data storage.
• Analog and Data Conversion – 12‑bit ADC with 12 input channels at up to 50 ksps, plus one on‑chip analog comparator for precise sensor interfacing.
• PWM and Motor‑Control Support – Multiple PWM channels including a 3‑phase 10‑bit high‑frequency PWM block and additional 10/8/16‑bit PWM channels suitable for motor and power control functions.
• Timers and Real‑Time Support – One 16‑bit timer and four 8‑bit timers (with options forming 16‑bit pairs), plus basic interval and watchdog timers for dependable timing and safety functions.
• Serial Connectivity – Integrated serial interfaces: I2C, SPI and two USART channels, enabling robust communication and peripheral integration.
• Low‑Power Modes – STOP and IDLE power‑saving modes to reduce energy consumption in battery‑sensitive or power‑managed systems.
• Flexible Clocking – Supports internal RC oscillators (including 16 MHz HSI) and external crystals, enabling a range of clocking strategies.
• Voltage and Temperature Range – Wide operating voltage from 1.8 V to 5.5 V and industrial temperature range of −40 °C to +85 °C for demanding environments.
• Compact Package – Available in a 28‑pin TSSOP (173 mil) surface‑mount package with 26 usable I/O pins for space‑constrained designs.

Typical Applications

• Motor Control and Drive Systems – 3‑phase 10‑bit PWM plus multiple PWM channels provide the pulse generation and timing resources needed for small motor and actuator control.
• Sensor Acquisition and Processing – 12‑bit ADC with up to 12 input channels and on‑chip comparator enable multi‑sensor readout and analog signal monitoring.
• Appliance and Consumer Control – Timers, PWMs, EEPROM and serial interfaces support user‑interface handling, timing functions and configuration storage in cost‑sensitive appliance designs.
• General Embedded Control – Rich peripheral set (USART, SPI, I2C), multiple timers and low‑power modes make the device suitable for a wide range of embedded control tasks and prototyping platforms.

Unique Advantages

• Highly integrated peripherals: Combines ADC, comparator, multiple PWMs and a variety of timers on‑chip to reduce BOM and simplify board design.
• Wide voltage tolerance: 1.8 V to 5.5 V supply range allows direct operation from common battery and system rails without extensive power conversion.
• Memory balance for control firmware: 16 KB Flash with 256 B IRAM, 768 B XRAM and 512 B EEPROM provides room for application code, runtime data and nonvolatile configuration storage.
• Flexible clocking options: Internal 16 MHz RC and support for external crystals permit designers to optimize cost versus timing accuracy.
• Compact, manufacturable package: 28‑pin TSSOP (173 mil) surface‑mount package with 26 I/O pins supports compact PCB layouts and automated assembly.
• Wide operating temperature: −40 °C to +85 °C range supports deployment in industrial and temperature‑sensitive environments.

Why Choose MC97FG316RBN?

The MC97FG316RBN delivers a balanced combination of MCU performance, memory resources and peripheral integration tailored for embedded control applications where cost, board space and versatility matter. As a member of the MC97FGx16 family from ABOV Semiconductor, it provides familiar M8051 architecture and a comprehensive peripheral set to accelerate development of motor control, sensor acquisition and general embedded systems.

Designed for flexibility across supply voltages and temperatures, the MC97FG316RBN is appropriate for designs requiring reliable analog inputs, multiple PWM outputs and robust serial communications while keeping PCB footprint and BOM complexity low.

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