Datasheet MAX32625 (Analog Devices)

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MAX32625/MAX32626 Ultra-Low-Power Arm Cortex-M4 with FPU-Based Microcontroller (MCU) with 512KB Flash and 160KB SRAM General Description Benefits and Features
DARWIN is a new breed of low-power microcontrollers ● High-Efficiency Microcontroller for Wearable Devices built to thrive in the rapidly evolving Internet of Things (IoT). • Internal Oscillator Operates Up to 96MHz They are smart, with the biggest memories in their class • Low Power 4MHz Oscillator System Clock Option and a massively scalable memory architecture. They run for Always-On Monitoring Applications forever, thanks to wearable-grade power technology. They • 512KB Flash Memory (256KB “L” Version) are also tough enough to withstand the most advanced • 160KB SRAM (128KB “L” Version) cyberattacks. DARWIN microcontrollers are designed • 8KB Instruction Cache to run any application imaginable—in places where you • 1.2V Core Supply Voltage wouldn’t dream of sending other microcontrollers. • 1.8V to 3.3V I/O Generation U microcontrollers are perfect for wearables • Optional 3.3V ±5% USB Supply Voltage and IoT applications that cannot afford to compromise • Wide Operating Temperature: -30°C to +85°C power or performance. The MAX32625/MAX32626 fea- ● Power Management Maximizes Uptime for Battery ture an Arm® Cortex®-M4 with FPU CPU that delivers Applications high-efficiency signal processing, ultra-low power con- • 106μA/MHz Active Current Executing from Cache sumption and ease of use. • 49μA/MHz Active Current Executing from Flash Flexible power modes, an intelligent PMU, and dynamic • Wake-Up to 96MHz Clock or 4MHz Clock clock and power gating optimize performance and power • 600nA Low Power Mode (LP0) Current with RTC consumption for each application. Internal oscillators run Enabled at 96MHz for high-performance or 4MHz to maximize • 2.56μW Ultra-Low Power Data Retention Sleep battery life in applications requiring always-on monitoring. Mode (LP1) with Fast 5μs Wake-Up on 96MHz Clock Source Multiple SPI, UART, I2C, 1-Wire® master, and USB inter- • 27μA/MHz Low Power Mode (LP2) Current faces are provided. The four-input, 10-bit ADC with select- able references can monitor external sensors. ● Optimal Peripheral Mix Provides Platform Scalability • SPI Execute in Place (SPIX) Engine for Memory All versions provide a hardware AES engine. The Expansion with Minimal Footprint MAX32626 provides a secure trust protection unit (TPU) • Three SPI Masters, One SPI Slave with a modular arithmetic accelerator (MAA) for fast • Three UARTs ECDSA, a hardware PRNG entropy generator, and a • Up to Two I2C Masters, One I2C Slave secure boot loader. The MAX32625L provides a reduced • 1-Wire Master 256KB of flash memory and 128KB of SRAM. • Full-Speed USB 2.0 Device with Internal Transceiver
Applications
• Sixteen Pulse Train (PWM) Engines • Six 32-Bit Timers and 3 Watchdog Timers ● Sports Watches • Up to 40 General-Purpose I/O Pins ● Fitness Monitors • 10-Bit Delta-Sigma ADC Operating at 7.8ksps ● Wearable Medical Patches • AES -128, -192, -256 ● Portable Medical Devices • RTC Calibration Output ● Sensor Hubs ● Secure Valuable IP and Data with Robust Internal Hardware Security (MAX32626 Only) • Trust Protection Unit (TPU) Provides ECDSA and
Ordering Information appears at end of data sheet.
Modular Arithmetic Acceleration Support • True Random Number Generator Arm and Cortex are registered trademarks of Arm Limited • Secure Boot Loader (or its subsidiaries) in the US and/or elsewhere. 1-Wire is a registered trademark of Maxim Integrated Products, Inc. 19-8596; Rev 6; 2/20 Document Outline General Description Applications Benefits and Features Simplified Block Diagram Absolute Maximum Ratings Package Information 63 WLP 68 TQFN Electrical Characteristics Electrical Characteristics - ADC Electrical Characteristics - USB Electrical Characteristics - SPI Master / SPIX Master Electrical Characteristics - SPI Slave Electrical Characteristics - I2C Bus Pin Configurations Pin Description Detailed Description MAX32625/MAX32626 ARM Cortex-M4 with FPU Processor Power Operating Modes Low Power Mode 0 (LP0) Low Power Mode 1 (LP1) Low Power Mode 2 (LP2) Low Power Mode 3 (LP3) Analog-to-Digital Converter Pulse Train Engine Clocking Scheme Interrupt Sources Real-Time Clock and Wake-Up Timer General-Purpose I/O and Special Function Pins CRC Module Watchdog Timers Programmable Timers Serial Peripherals USB I2C Master and Slave SPI (Master) SPI (Slave) SPI (Execute in Place (SPIX) Master) UART 1-Wire Master Peripheral Management Unit (PMU) Additional Documentation Development and Technical Support Trust Protection Unit (TPU) (MAX32626 Only) Applications Information General-Purpose I/O Matrix Typical Application Circuit Ordering Information Revision History