【正文】 所有的模擬和 數(shù)字外設都可全功能運行 。 STM32F103ZET6 內(nèi)部結構圖如圖 所示。 圖 STM32F103ZET6 的內(nèi)部結構圖 湖南理工學院畢業(yè)設計 (論文 ) 9 STM32F103ZET6 電路設計 為了使整個系統(tǒng)運行穩(wěn)定， MCU 電路設計好壞非常關鍵。其中時鐘電路、電源設計、濾波電容等部分都是設計的重點。為了使系統(tǒng)更加完善，在 MCU 的外圍我們還接有少量的外圍設備，包含有串行 FLASH，主要用于存儲啟動代碼和部分界面圖片。 UART調(diào)試電路，主要用戶測試與通信。豐富的外圍接口也是使本設計的應用更加靈活，包含有 URAT 接口、 128*64 LCD 接口、 SD_CARD 接口、 7279 鍵盤接口、 TFT 液晶接口、JTAG 調(diào)試接口、通用 I0 口等。整個 STM32F103ZET6 原理圖如下圖 所示。 圖 STM32F103ZET6 原理圖 監(jiān)測節(jié)點 MCU設計 監(jiān)測節(jié)點 MCU 在本系統(tǒng)中主要負責驅動傳感網(wǎng)絡 ，采集各個傳感器數(shù)據(jù)，對數(shù)據(jù)進行簡單的處理，通過無線通信網(wǎng)絡將數(shù)據(jù)發(fā)送給主機。同時檢測節(jié)點還可以接受來自主機的信號，做出相應的操作。本設計中 采用 ST 公司超低功耗 STM32L151CBT6 微控制器 。 STM32L151 功 能簡介 STM32L 系列產(chǎn)品是業(yè)界首款來自全球十大半導體供應商之一的超低功耗 ARM CortexM3 微控制器，在 32MHz 頻率時最高處理性能達到 33DMIPS。 STM32L 系列PA0WKUP/USART2_CTS/ADC123_IN0/TIM5_CH1/TIM2_CHI_ETR/TIM8_ETR34PA1/USART2_RTS/ADC123_INI/TIM5_CH2/TIM2CH235PA2/USART_TX/TIM5_CH3/ADC123_IN2/TIM2_CH336PA3/USART2_RX/TIM4_CH4/ADC123_IN3/TIM2_CH437PA4/SPI1NSS/DAC_OUT1/USART2_CK/ADC12_IN440PA5/SPI1_SCK/DAC_OUT2/ADC12_IN541PA6/SPI1_MOSI/TIM8_BKIN/ADC12_IN6/TIM3_CH142PA7/SPI1_MOSI/TIM8_CH1N/ADC12_IN7/TIM3_CH243PA8/USART1_CK/TIM1_CH1/MCO100PA9/USART1_TX/TIM1_TX/TIM1_CH2101PA10/USART1_RX/TIM1_CH3102PA11/USART1_CTS/CAN_RX/TIM1_CH4/USBDM103PA12/USART1_RTS/CAN_TX/TIM1_ETR/USBDP104PA13/JTMS_SWDIO105PA14/JTMS_SWCLK109PA15/JTDI/SPI3_NSS/I2S3_WS110PB0/ADC12_IN8/TIM3_CH3/TIM8_CH2N46PB1/ADC12_IN9/TIM3_CH4/TIM8_CH3N47PB2/BOOT148PB3/JTDO/TRACESWO/SPI3_SCK/I2S3_SD133PB4/JNTRST/SPI3_MISO134PB5/I2C1_SMBAI/SPI3_MOSI/I2S3_SD135PB6/I2C1_SCL/TIM4_CH1136PB7/I2C1_SDA/FSMC_NADV/TIM4_CH2137PB8/TIM4_CH3/SDIO_D4139PB9/TIM4_CH4/SDIO_D4140PB10/I2C2_SCL/USART3_TX69PB11/I2C2_SDA/USART3_RX70PB12/SIP2_NSS/I2S3_WS/I2S2_SMBAI/USART3_CK/TIM1_BKIN73PB13/SIP2_SCK/74PB14/SPI2_MISO/USART3_RTS/TIM1_CH2N75PB15/SPI2_MOSI/I2S2_SD/TIM1_CH3N76PD0/FSMC_D2114PD1/FSMC_D3115PD2/TIM3_ETR/USART5_RX/SDIO_CMD116PD3/FSMC_CLK117PD4/FSMC_NOE118PD5/FSMC_NWE119PD6/FSMC_NWAIT122PD7/FSMC_NEI/FSMC_NCE2123PD8/FSMC_D1377PD9/FSMC_D1478PD10/FSMC_D1579PD11/FSMC_A1680PD12/FSMC_A1781PD13/FSMC_A1882PD14/FSMC_D085PD15/FSMC_D186BOOT0138Vss_171Vss_2107Vss_3143Vss_438Vss_516Vss_651Vss_761Vss_883Vss_994Vss_10120Vss_11130Vdd_172Vdd_2108Vdd_3144Vdd_439Vdd_517Vdd_617Vdd_752Vdd_862Vdd_984Vdd_1095Vdd_11121Vdd_12131NC106PE0/TIM4_ETR/FSMC_NBL0141PE1/FSMC_NBL1142PE2/TRACECK/FSNC_A231PE3/TRACEC0/FSNC_A192PE4/TRACEC1/FSNC_A203PE5/TRACEC2/FSNC_A214PE6/TRACEC3/FSNC_A225PE7/FSMC_D458PE8/FSMC_D559PE9/FSMC_D660PE10/FSMC_D763PE11/FSMC_D864PE12/FSMC_D965PE13/FSMC_D1066PE14/FSMC_D1167PE15/FSMC_D1268PF0/FSMC_A010PF1/FSMC_A111PF2/FSMC_A212PF3/FSMC_A313PF4/FSMC_A414PF5/FSMC_A515PF6/ADC3_IN4/FSMC_NIORD18PF7/ADC3_IN5/FSMDC_NREG19PF8/ADC3_IN6/FSMC_NIOWR20PF9/ADC3_IN7/FSMC_CD21PF10/ADC3_IN8/FSMC_INTR22PF11/FSMC_NIOS1649PF12/FSMC_A650PF13/FSMC_A753PF14/FSMC_A854PF15/FSMC_A955PG0/FSMC_A1056PG1/FSMC_A1157PG2/FSMC_A1287PG3/FSMC_A1388PG4/FSMC_A1489PG5/FSMC_A1590PG6/FSMC_INT291PG7/FSMC_INT392PG893PG9/FSMC_NE2/FSMC_NCE3124PG10/FSMC_NCE4_1/FSMC_NE3125PG11/FSMC_NCE4_2126PG12_FSMC_NE4127PG13_FSMC_A24128PG14_FSMC_A25129PG15132PC0/ADC123_IN1026PC1/ADC123_IN1127PC2/ADC123_IN1228PC3/ADC123_IN1329PC4/ADC12_IN1444PC5/ADC12_IN1545PC6/I2S2_MCK/TIM8_CH1/SDIO_D696PC7/I2S3_MCK/TIM8_CH2/SDIO_D797PC8/TIM8_CH3/SDIO_D098PC9/TIM8_CH4/SDIO_D199PC10/USART4_TX/SDIO_D2111PC11/USART4_RX/SDIO_D3112PC12/USART5_TX/SDIO_CK113PC13TAMPERRTC7PC14OSC32_IN8PC15OSC32_OUT9VBAT6OSC_IN23OSC_OUT24NRST25Vrdf+32Vrdf31VSSA30VDDA33stm32f103zrt6STM32F103ZET6TXD1DTR_N2RTS_N3VDD_2324RXD5RI_N6GND7NC8DSR_N9DCD_N10CTS_N11SHRD_N12EE_CLK13EE_DATA14DP15DM16VO_3317GND18NC19VDD_520GND21GPO22CPI23NC24GND_A25PLL_TEST26OSC127OSC228pl2303C222C8 104C122C15 20pFC710UFGND2325V112233445566S1SWDPDT1 2Y112MVin3GND1Vout2GNDVR1 AMS1117GNDGND5VR245KGNDR322R422R512345P3USB5V232RS232_DRS232_D+GNDUSB5V12Y212Y38MC1620pFC1310pFC1410pFGNDGND GNDR91MVref+VrefGNDR100R1110KC17104S2SWPBRSTGND123P2POWERCHANGEUSB5VVCC_INPOWER5VVCC_INC9 104C5104C26104C27104C111UFC12C321uFC6104C310uFC410uFC2010uFC10 10uFGNDD11N4007D2LED0R11KGND123J1GNDPOWER5VTP1Vs2SLEEP3GND4TP5OUTPUT6NC7NC8REF196GNDGND5V1 23 45 6P11Header 3X2 GND GNDR1310KR1210KBOOT0PB2PA0PA1PA2PA3PA4PA5PA6PA7PA8PA9PA10PA11PA12PA13PA14PA15PB0PB1PB2PB3PB4PB5PB6PB7PB8PB9PB10PB11PB12PB13PB14PB15PC0PC1PC2PC3PC4PC5PC6PC7PC8PC9PC10PC11PC12PC13PC14PC15PD0PD1PD2PD3PD4PD5PD6PD7PD8PD9PD10PD11PD12PD13PD14PD15BOOT0OSC_INOSC_OUTNCPE0PE1PE2PE3PE4PE5PE6PE7PE8PE9PE10PE11PE12PE13PE14PE15PF0PF1PF2PF3PF4PF5PF6PF7PF8PF9PF10PF11PF12PF13PF14PF15PG0PG1PG2PG3PG4PG5PG6PG7PG8PG9PG10PG11PG12PG13PG14PG15Vref1Vsupply2nTRST3GND4TDI5GND6TMS7GND8TCK9GND10RTCK11GND12TD013GND14nSRST15GND16DBGRQ17GND18DBGACK19GND20JTAGPB4PA15PA13PA14PB3RSTGNDSI1SCK