MindMotion Microelectronics MM32F3273GAQ

This product is a 32-bit microcontroller based on the high-performance ARM Cortex-M3 core, with a maximum operating frequency of 120MHz. It integrates high-speed memory and rich I/O ports, and connects to a variety of external buses. The product includes up to 3 × 12-bit ADCs, 2 comparators, 2 × 16-bit general-purpose timers, 2 × 32-bit general-purpose timers, 2 × 16-bit basic timers, and 2 × 16-bit advanced timers. It also features standard communication interfaces, including 2 × I²C, 3 × I²S, 3 × SPI, 1 × USB OTG full-speed, 1 × CAN, 1 × SDIO, and 8 × UART. The operating voltage range of this product family is 2.0V ~ 5.5V, with operating temperature ranges covering industrial-grade -40°C ~ +85°C and extended industrial-grade -40°C ~ +105°C. Multiple built-in power-saving operating modes are available to meet low-power application requirements. The product is offered in LQFP144, LQFP100, LQFP64, LQFP48, and QFN40 packages.

• Core & System: 32-bit MCU based on ARM Cortex-M3, standard operating frequency up to 96 MHz, maximum operating frequency up to 120 MHz, with 1KB instruction cache.
• Memory: Up to 512KB Flash program memory, up to 128KB SRAM, in-system programming (ISP) support for on-chip Flash, FSMC interface for external SRAM/PSRAM/NOR Flash expansion.
• Clock, Reset & Power Management: Operating voltage 2.0 V ~ 5.5 V, POR/PDR and programmable voltage detector, external 4 ~ 24 MHz HSE crystal oscillator, factory-trimmed 8 MHz HSI RC oscillator, multiple PLL and clock divider modes, 40 kHz LSI oscillator, external 32.768 kHz LSE oscillator.
• Low Power: Multiple low-power modes including low-power run, sleep, low-power sleep, stop, deep stop, and standby; VBAT supply for RTC and backup registers.
• ADC: 3× 12-bit ADCs with conversion time as low as 1 µs, up to 21 external input channels and 3 internal channels, conversion range 0 ~ VDDA, configurable sampling time and resolution, integrated on-chip temperature sensor, voltage sensor, and VBAT sensor.
• DAC & Comparators: 2× DACs and 2× analog comparators.
• DMA Controller: 2× DMA controllers with 12 channels total, supporting Timer, ADC, DAC, UART, I²C, SPI, USB OTG, and other peripherals.
• I/O Ports: Up to 116 fast I/O ports; Port A through G mappable to 16 external interrupts; all ports support VDD-level input/output.
• Timers: 11 timers total — 2× 16-bit 4-channel advanced-control timers, 2× 16-bit general-purpose timers, 2× 32-bit general-purpose timers, 2× 16-bit basic timers, 2× watchdog timers, and 1× 24-bit down-counting SysTick timer.
• Debug Interface: Serial wire debug (SWD) and JTAG interfaces.
• Digital Peripheral Interfaces: 8× UART, 2× I²C, 3× SPI, 1× CAN, 1× USB OTG, 1× SDIO.

• Industrial IoT devices
• Alarm systems
• Medical and handheld devices
• PC gaming peripherals and GPS platforms
• Programmable controllers