STM32F4 DSP and standard peripherals library,由于網(wǎng)站的50M大小設(shè)置,所以把標(biāo)準(zhǔn)庫配套的說明給刪除了,若有需要請去st官網(wǎng)下載https://www.st.com/content/st_com/zh/products/embedded-software/mcu-mpu-embedded-software/stm32-embedded-software/stm32-standard-peripheral-libraries/stsw-stm32065.html#get-software。 STSW-STM32065 V1.8.0版本,除了電子說明書/help文檔,其他都有。
MT2625 DatasheetVersion: 1.2Release date: 31 January 2018NB-IoT transceiver? Compliant with 3GPP R13/R14 NB-IoT standard? Supports DL 200kHz bandwidth/UL single tone and multi-tone? Supported RF bands: B1/B2/B3/B5/B8/B11/B12/B13/B17/B18/B19/B20/B21/B25/B26/B28/B31/B66/B70/B71? Supports PSM and eDRX modeMicrocontroller subsystem? ARM? Cortex?-M4 with FPU and mpu? 14 DMA channels? One RTC timer, one 64-bit and five 32-bit general purpose timers? Development support: SWD, JTAG? Crypto engineo AES 128, 192, 256 bitso DES, 3DESo MD5, SHA-1, 224, 256, 384, 512? True random number generator? JTAG password protection
陀螺儀硬件自檢:相關(guān)方法陀螺儀允許用戶測試機械和電氣部分。自檢的代碼在 InvenSense提供的 MotionApps?軟件里面。如果沒有使用 MotionApps?軟件,請參閱下節(jié)(Obtaining the Gyroscope Factory Trim (FT) Value)。當(dāng)自檢啟動,片上的電子設(shè)備就會啟動相應(yīng)的傳感器。這次啟動會使傳感器的 proofmasses的距離相當(dāng)于一個預(yù)定的科里奧利力(Coriolis force)。傳感器的 Proof masses位移變換的結(jié)果將在輸出信號中反映。輸出信號用戶可以在自檢反饋看到。自檢反饋(STR)定于如下:Self Test Response=Gyroscope Output with Self Test Enabled — Gyroscope Output with Self Test Disabled自檢反饋通過反饋與出產(chǎn)的評估比較查找變換用于確定這部分通過還是自檢失敗