Bayani
Na'urorin STM32L431xx sune masu sarrafa ƙananan ƙananan ƙarfi bisa ga babban aikin Arm® Cortex®-M4 32-bit RISC core wanda ke aiki a mitar har zuwa 80 MHz.Madaidaicin Cortex-M4 yana fasalta naúrar madaidaicin ruwa (FPU) wanda ke goyan bayan duk umarnin sarrafa bayanai guda ɗaya na Arm® da nau'ikan bayanai.Hakanan yana aiwatar da cikakken saitin umarnin DSP da naúrar kariyar ƙwaƙwalwar ajiya (MPU) wanda ke haɓaka amincin aikace-aikacen.Na'urorin STM32L431xx sun haɗa manyan abubuwan tunawa masu sauri (Ƙwaƙwalwar Flash har zuwa 256 Kbyte, 64 Kbyte na SRAM), ƙirar ƙwaƙwalwar ƙwaƙwalwar Quad SPI (akwai akan duk fakiti) da babban kewayon haɓaka I/Os da na'urori masu alaƙa da bas ɗin APB guda biyu. , motocin bas guda biyu na AHB da matrix na bas mai 32-bit multi-AHB.Na'urorin STM32L431xx sun haɗa hanyoyin kariya da yawa don shigar da ƙwaƙwalwar Flash da SRAM: kariyar karantawa, kariyar rubutawa, kariyar karanta bayanan mallakar mallaka da Firewall.Na'urorin suna ba da ADC mai sauri 12-bit (5 Msps), masu kwatanta guda biyu, amplifier ɗaya mai aiki, tashoshi DAC guda biyu, buffer na ciki, ƙaramin ƙarfin RTC, maƙasudin maƙasudi 32-bit na lokaci ɗaya, mai ƙidayar lokaci 16-bit PWM sadaukarwa ga sarrafa mota, maƙasudin maƙasudin 16-bit masu ƙidayar lokaci guda huɗu, da masu ƙidayar ƙarancin ƙarfi 16-bit guda biyu.Bugu da kari, har zuwa tashoshi 21 masu karfin ji suna samuwa.Hakanan suna nuna daidaitattun hanyoyin sadarwa na zamani.• I2C guda uku • SPI uku • USARTs uku da UART mai ƙarancin ƙarfi ɗaya.• SAI daya (Serial Audio Interfaces) • SDMMC daya • Daya CAN • SWPMI daya (Single Wire Protocol Master Interface) STM32L431xx yana aiki a cikin -40 zuwa +85 °C (+105 °C junction), -40 zuwa +105 ° C (+125 °C junction) da -40 zuwa +125 °C (+130 °C junction) zafin jiki ya tashi daga 1.71 zuwa 3.6 V.Cikakken tsari na hanyoyin ceton wutar lantarki yana ba da damar ƙirar aikace-aikacen ƙarancin ƙarfi.Ana goyan bayan wasu kayan wuta masu zaman kansu: shigarwar wadatar mai zaman kanta ta analog don ADC, DAC, OPAMP da masu kwatance.Shigar da VBAT yana ba da damar yin ajiyar RTC da rijistar madadin.Iyalin STM32L431xx suna ba da fakiti tara daga fakiti 32 zuwa 100-pin.
Ƙayyadaddun bayanai: | |
Siffa | Daraja |
Kashi | Haɗin kai (ICs) |
Embedded - Microcontrollers | |
Mfr | STMicroelectronics |
Jerin | Saukewa: STM32L4 |
Kunshin | Tire |
Matsayin Sashe | Mai aiki |
Core Processor | ARM® Cortex®-M4 |
Girman Core | 32-Bit |
Gudu | 80 MHz |
Haɗuwa | CANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART |
Na'urorin haɗi | Gane/Sake saitin Brown-out, DMA, PWM, WDT |
Adadin I/O | 39 |
Girman Ƙwaƙwalwar Shirin | 256KB (256K x 8) |
Nau'in Ƙwaƙwalwar Shirin | FLASH |
Girman EEPROM | - |
Girman RAM | 64x8 ku |
Ƙarfin wutar lantarki - Kayan aiki (Vcc/Vdd) | 1.71V ~ 3.6V |
Masu Canza bayanai | A/D 10x12b;D/A 2x12b |
Nau'in Oscillator | Na ciki |
Yanayin Aiki | -40°C ~ 85°C (TA) |
Nau'in hawa | Dutsen Surface |
Kunshin / Case | 48-LQFP |
Kunshin Na'urar Mai bayarwa | 48-LQFP (7x7) |
Lambar Samfurin Tushen | Saukewa: STM32L431 |