link to page 23 link to page 23 link to page 23 link to page 24 link to page 24 link to page 24 link to page 24 link to page 24 link to page 25 link to page 25 link to page 26 link to page 27 link to page 28 link to page 12 link to page 20 link to page 22 link to page 25 MAX32625/MAX32626 Ultra-Low-Power Arm Cortex-M4 with FPU-Based Microcontroller (MCU) with 512KB Flash and 160KB SRAM TABLE OF CONTENTS (CONTINUED) SPI (Slave) . 23 SPI (Execute in Place (SPIX) Master) . 23 UART . 23 1-Wire Master. 24 Peripheral Management Unit (PMU). 24 Additional Documentation. 24 Development and Technical Support . 24 Trust Protection Unit (TPU) (MAX32626 Only). 24 Applications Information. 25 General-Purpose I/O Matrix . 25 Typical Application Circuit . 26 Ordering Information . 27 Revision History . 28 LIST OF FIGURES Figure 1. SPI Master and SPI XIP Master Timing . 12 Figure 2. MAX32625/MAX32626 Clock Scheme . 20 Figure 3. 32-Bit Timer . 22 LIST OF TABLES Table 1. General-Purpose I/O Matrix . 25 www.maximintegrated.com Maxim Integrated │ 3 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