MM32F0020B1N Microcontroller IC is a 32 bit ARM Cortex M0 MCU from MindMotion with 32KB Flash, 2KB SRAM, 48 MHz operating speed, ADC, timers, UART, SPI and I2C interfaces. Suitable for embedded systems, industrial electronics, charger control boards, battery management and communication applications. The MM32F0020 series is based on an Arm Cortex-M0 core, runs up to 48 MHz, includes up to 32 KB Flash and 2 KB SRAM, supports 12-bit ADC plus UART/SPI/I²C, and is intended for chargers, communication modules, toys, fans, battery management, smoke detectors, and similar embedded applications. MM32’s product-selection guide also lists the MM32F0020B1N variant as a QFN20 3x3 mm device with 18 I/O, 32 KB Flash, 2 KB RAM, and -40°C to 85°C operating range. ________________________________________ 5) Specification / Additional Details When next page opens, fill like this: Field Fill This Brand MindMotion Manufacturer MindMotion Microelectronics Model Name Number MM32F0020B1N Product Type Microcontroller IC Core ARM Cortex M0 Bit Architecture 32 Bit Clock Speed Up to 48 MHz Flash Memory 32 KB SRAM 2 KB ADC 12 Bit ADC Communication Interface UART SPI I2C Number of UART 2 Number of SPI 1 Number of I2C 1 Package Type QFN20 Package Size 3 x 3 mm Mounting Type SMD Number of Pins 20 Pin GPIO / I O Ports Up to 18 I O Operating Voltage 2.0V to 5.5V Operating Temperature -40 Degree C to 85 Degree C Application Embedded Systems Industrial Electronics Battery Management Chargers Consumer Electronics Control Boards Country of Origin China The series datasheet states 48 MHz max clock, 32 KB Flash, 2 KB SRAM, 2.0–5.5 V supply, 12-bit ADC, 2 UART + 1 SPI + 1 I²C, and availability in QFN20/TSSOP20 packages; the MM32 product guide specifically lists MM32F0020B1N as QFN20 3x3 mm with 18 I/O and -40°C to 85°C temperature range. ________________________________________ 6) Uses / Applications • Battery Management Systems • Charger Control Boards • Industrial Control Circuits • Communication Modules • Consumer Electronic Devices • Embedded Development Boards • Toy and Fan Controllers • Smoke Detector Electronics These application examples are explicitly listed for the MM32F0020 family by MindMotion. ________________________________________ 7) Key Features / Benefits • 32 Bit ARM Cortex M0 architecture • Up to 48 MHz operating frequency • 32KB embedded Flash memory • 2KB SRAM • 12 Bit ADC for analog signal processing • Built in UART SPI and I2C communication interfaces • Low power operation • Compact QFN20 SMD package • Suitable for industrial and embedded applications • Reliable performance for control and automation circuits