Datasheet MAX32670 (Maxim) - 2

MAX32670 High Reliability, Ultra-Low Power Microcontroller Powered by Arm Cortex M4 Processor with FPU for Industrial and IoT
Simplified Block Diagram MAX32670
100MHz (IPO) HFXOUT HFXIN 14MHz-32MHz (ERFO) HOST 7.3728MHz (IBRO) SERIAL WIRE DEBUG ARM CORTEX-M4 (SWD) EXTERNAL CLOCK WITH FPU CPU 32.768kHz (ERTCO) NVIC 4 x 32 BIT TIMER 80kHz (INRO) 2 x 32 BIT LOW MEMORY POWER TIMER GPIO AND FLASH SHARED PAD FUNCTIONS 384KB 3 x SPI MASTER/ POR, ERROR SLAVE BROWNOUT TIMER CORRECTION RSTN MONITOR, 3 x I2C MASTER/SLAVE LOW POWER TIMER (SED-DED) SUPPLY VOLTAGE SPI I2S SLAVE MONITORS I2C GPIO SRAM UART /ALTERNATE 160KB (PLAIN) 3 x 4-WIRE UART LOW POWER UART FUNCTION 128KB (SEC-DED) I2S UP TO 31 4-WIRE LOW POWER 32kHz OUTPUT VCORE UART SINGLE WIRE DEBUG 16KB CACHE EXT CLK INPUT/OUTPUT REGULATOR/ BUS MATRIX – AHB, APB, IBUS, DBUS… SECURITY VDD POWER CONTROL AES-128/192/256 EXTERNAL INTERRUPTS 8-CH STANDARD DMA 32-BIT CRC VSS ACCELERATOR 2 x WINDOWED WATCHDOG TIMER SECURE NV KEY 32KIN SECURE BOOTLOADER RTC TRUE RANDOM NUMBER 32KOUT GENERATOR (TRNG) 19-100782 www.maximintegrated.com Maxim Integrated | 2 Document Outline General Description Applications Benefits and Features Simplified Block Diagram Absolute Maximum Ratings Package Information 40 TQFN-EP Electrical Characteristics Electrical Characteristics (continued) Electrical Characteristics—SPI Electrical Characteristics—SPI (continued) Electrical Characteristics—I2C Electrical Characteristics—I2C (continued) Electrical Characteristics—I2S Slave Pin Configuration 40 TQFN Pin Description 40 TQFN Detailed Description MAX32670 Arm Cortex-M4 Processor with FPU Engine Memory Internal Flash Memory Internal SRAM Clocking Scheme General-Purpose I/O and Special Function Pins Standard DMA Controller Power Management Power Management Unit Active Mode Sleep Mode DeepSleep Mode Backup Mode Storage Mode Real-Time Clock Windowed Watchdog Timer (WWDT) 32-Bit Timer/Counter/PWM (TMR, LPTMR) Serial Peripherals I2C Interface (I2C) Serial Peripheral Interface (SPI) I2S Interface (I2S) UART (UART, LPUART) Security AES True Random Number Generator (TRNG) CRC Module Secure Boot Debug and Development Interface (SWD) Applications Information Bypass Capacitors Ordering Information Revision History