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类型STM32L476 -- discory原理图.pdf

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    STM32L476 -- discory原理图.pdf
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    1、1 10 STM32L476 Discovery MB1184 C-01 6/15/2015 Title: Size: Reference: Date: Sheet: of A4 Revision: STM32L476G-DISCO Project: SWDIO SWCLK MCO NRST NRST MCO LD_R SWCLK SWDIO USART_TX USART_RX LD_G MFX_IRQ_OUT MFX_WAKEUP QSPI_D0 QSPI_D3 QSPI_D2 QSPI_D1 QSPI_CLK QSPI_CS SAI1_FS SAI1_SD SAI1_SCK I2C1_SC

    2、L I2C1_SDA AUDIO_RST SAI1_MCK AUDIO_DIN AUDIO_CLK OTG_FS_PowerSwitchOn OTG_FS_DM OTG_FS_DP OTG_FS_ID OTG_FS_VBUS OTG_FS_OverCurrent SEG023 COM03 EXT_RST PH01 JOY_CENTER JOY_DOWN JOY_LEFT JOY_RIGHT JOY_UP MEMS_SCK MEMS_MISO MEMS_MOSI GYRO_CS GYRO_INT1 GYRO_INT2 XL_CS XL_INT MAG_CS MAG_DRDY MAG_INT MF

    3、X_USART3_RX MFX_USART3_TX MFX_I2C_SDA MFX_I2C_SCL BOOT0 SWO 3V3_REG-ON PC14 PC15 U_STM32Lx STM32Lx.SchDoc Rev A-01 PCB label MB1184 A-01 Rev B-01 PCB label MB1184 B-01, Remove R91, Replace COM47 by COM03,Add SB for USB_OTG, add VBUS on P2 for USB USER power supply Rev C-01 PCB label MB1184 C-01, Rem

    4、ove SWCLK and SWO shorted,Replaced on P1, PB89 by PB67. MP45DT02 replaced by MP34DT01 Xtal 32.768kHz replaced by NX3215SA Change values of C27, C25 : C27=C25=4.7pF Change values of resistors : R40=R47=6.04k, R49=15k, R48=R42=R50=300k USART_TX USART_RX 3V GND GND NRST PC14 PC15 PH1 PH0 BOOT0 5V_IN 5V

    5、 SWDIO SWCLK MCO NRST USART_RX USART_TX MFX_USART3_RX MFX_USART3_TX SWO 3V3_REG-ON U_ST_LINK_V2-1 ST_LINK_V2-1.SCHDOC MFX_WAKEUP MFX_IRQ_OUT MFX_I2C_SDA MFX_I2C_SCL MFX_USART3_RX MFX_USART3_TX NRST U_IDD_measurement IDD_measurement.SchDoc MFX_I2C_SCL MFX_I2C_SDA MFX_IRQ_OUT MFX_WAKEUP MFX_USART3_RX

    6、MFX_USART3_TX MFX_USART3_RX MFX_USART3_TX 3V3 AUDIO_CLK AUDIO_DIN AUDIO_RST SAI1_FS SAI1_SD SAI1_SCK I2C1_SCL I2C1_SDA SAI1_MCK U_AUDIO AUDIO.SchDoc OTG_FS_PowerSwitchOn OTG_FS_OverCurrent OTG_FS_DM OTG_FS_DP OTG_FS_ID OTG_FS_VBUS U_USB_OTG_FS USB_OTG_FS.SchDoc NRST LD_R LD_G EXT_RST JOY_CENTER JOY_

    7、DOWN JOY_LEFT JOY_RIGHT JOY_UP I2C1_SCL I2C1_SDA U_Peripherals Peripherals.SchDoc SEG023 COM03 U_LCD_GH08172 LCD_GH08172.SchDoc I2C1_SCL I2C1_SDA SAI1_MCK SAI1_SCK SAI1_SD SAI1_FS AUDIO_RST AUDIO_DIN AUDIO_CLK SEG023 COM03 OTG_FS_PowerSwitchOn OTG_FS_OverCurrent OTG_FS_DM OTG_FS_DP OTG_FS_ID OTG_FS_

    8、VBUS NRST LD_R LD_G EXT_RST JOY_CENTER JOY_DOWN JOY_LEFT JOY_RIGHT JOY_UP I2C1_SCL I2C1_SDA PH01 QSPI_D0 QSPI_D3 QSPI_D2 QSPI_D1 QSPI_CLK QSPI_CS U_QSPI QSPI.SchDoc QSPI_D0 QSPI_D1 QSPI_D2 QSPI_D3 QSPI_CS QSPI_CLK GYRO_CS MAG_CS MAG_INT XL_INT MAG_DRDY MEMS_SCK MEMS_MISO MEMS_MOSI GYRO_INT1 GYRO_INT

    9、2 XL_CS U_MEMS MEMS.SchDoc GYRO_INT1 GYRO_INT2 MEMS_SCK GYRO_CS MEMS_MISO MEMS_MOSI MAG_CS XL_CS MAG_DRDY XL_INT MAG_INT NRST SEG023 COM03 LD_R LD_G EXT_RST JOY_CENTER JOY_DOWN JOY_LEFT JOY_RIGHT JOY_UP I2C1_SCL I2C1_SDA GYRO_INT1 GYRO_INT2 MEMS_SCK GYRO_CS MEMS_MISO MEMS_MOSI MAG_CS XL_CS MAG_DRDY

    10、XL_INT MAG_INT OTG_FS_PowerSwitchOn OTG_FS_OverCurrent OTG_FS_DM OTG_FS_DP OTG_FS_ID OTG_FS_VBUS SWDIO SWCLK MCO NRST QSPI_D0 QSPI_D1 QSPI_D2 QSPI_D3 QSPI_CS QSPI_CLK SAI1_MCK SAI1_SCK SAI1_SD SAI1_FS AUDIO_RST AUDIO_DIN AUDIO_CLK USART_TX USART_RX BOOT0 MFX_I2C_SCL MFX_I2C_SDA MFX_IRQ_OUT MFX_WAKEU

    11、P MFX_USART3_RX MFX_USART3_TX 3V3_REG-ON SWO SWO 3V3_REG-ON 2V5 GND GND Wired on Solder Side JP8 JP7 5V_USB_ST_LINK GND GND GND GND GND NC 3V3_REG-ON QSPI_CLK QSPI_CS QSPI_D0 QSPI_D1 QSPI_D2 QSPI_D3 JOY_CENTER JOY_LEFT JOY_RIGHT JOY_UP JOY_DOWN LD_R LD_G EXT_RST I2C1_SCL I2C1_SDA 1 2 3 4 5 6 7 8 9 1

    12、0 11 12 13 14 15 16 17 18 19 20 P1 Header 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 P2 Header 20 PB2 PE8 PA0 PA5 PA1 PA2 PA3 PB6 PB7 PD0 PE11 PB3 PE10 PE12 PE13 PE14 PE15 OTG_FS_VBUS PC14 PC15 PIJP701PIJP702 COJP7 PIJP801PIJP802 COJP8 PIP101 PIP102 PIP103 PIP104 PIP105 PIP106 PIP107 PIP1

    13、08 PIP109 PIP1010 PIP1011 PIP1012 PIP1013 PIP1014 PIP1015 PIP1016 PIP1017 PIP1018 PIP1019 PIP1020 COP1 PIP201 PIP202 PIP203 PIP204 PIP205 PIP206 PIP207 PIP208 PIP209 PIP2010 PIP2011 PIP2012 PIP2013 PIP2014 PIP2015 PIP2016 PIP2017 PIP2018 PIP2019 PIP2020 COP2 PIP103 PIP105 PIP101 PIP107 NL3V30REG0ON

    14、PIP205 PIP203 PIP201 NLAUDIO0CLK NLAUDIO0DIN NLAUDIO0RST PIP106 NLBOOT0 PIP1017 NLEXT0RST PIJP701PIJP702 PIJP801PIJP802 PIP102 PIP104 PIP1019 PIP1020 PIP202 PIP206 PIP2012 PIP2019 PIP2020 NLGYRO0CS NLGYRO0INT1 NLGYRO0INT2 PIP1015 NLI2C10SCL PIP1016 NLI2C10SDA PIP1010 NLJOY0CENTER PIP1011 NLJOY0DOWN

    15、PIP1012 NLJOY0LEFT PIP1013 NLJOY0RIGHT PIP1014 NLJOY0UP PIP109 NLLD0G PIP108 NLLD0R NLMAG0CS NLMAG0DRDY NLMAG0INT NLMCO NLMEMS0MISO NLMEMS0MOSI NLMEMS0SCK NLMFX0I2C0SCL NLMFX0I2C0SDA NLMFX0IRQ0OUT NLMFX0USART30RX NLMFX0USART30TX NLMFX0WAKEUP PIP1018 PIP2011 NLNRST NLOTG0FS0DM NLOTG0FS0DP NLOTG0FS0ID

    16、 NLOTG0FS0OverCurrent NLOTG0FS0PowerSwitchOn PIP204 NLOTG0FS0VBUS PIP207 NLPC14 PIP208 NLPC15 PIP2014 NLQSPI0CLK PIP2013 NLQSPI0CS PIP2015 NLQSPI0D0 PIP2016 NLQSPI0D1 PIP2017 NLQSPI0D2 PIP2018 NLQSPI0D3 NLSAI10FS NLSAI10MCK NLSAI10SCK NLSAI10SD NLSWCLK NLSWDIO NLSWO NLUSART0RX NLUSART0TX NLXL0CS NLX

    17、L0INT NLCOM000030 NLCOM000030 NLCOM000030 NLCOM000030 PIP209 NLPH000010 NLPH0 PIP2010 NLPH000010 NLPH1 NLSEG0000230 NLSEG0000230 NLSEG0000230 NLSEG0000230 NLSEG0000230 NLSEG0000230 NLSEG0000230 NLSEG0000230 NLSEG0000230 NLSEG0000230 NLSEG0000230 NLSEG0000230 NLSEG0000230 NLSEG0000230 NLSEG0000230 NL

    18、SEG0000230 NLSEG0000230 NLSEG0000230 NLSEG0000230 NLSEG0000230 NLSEG0000230 NLSEG0000230 NLSEG0000230 NLSEG00002302 10 ST-LINK/V2-1 with support of SWD only MB1184 C-01 6/15/2015 Title: Size: Reference: Date: Sheet: of A4 Revision: STM32L476G-DISCO Project: USB_DM USB_DP STM_RST T_JTCK T_JTCK T_JTMS

    19、 STM_JTMS STM_JTCK OSC_IN OSC_OUT T_NRST AIN_1 3V3_ST_LINK 3V3_ST_LINK SWIM_IN USB_DM USB_DP USB VCC 1 D- 2 D+ 3 ID 4 GND 5 SHELL 6 CN1 USB-MINI-typeB COM ST-LINK Power 3V3_ST_LINK Jumpers ON DISCOVERY Selected Jumpers OFF ST-LINK Selected Board Ident: PC13=0 T_JTCK T_JTMS SWD 3V3_ST_LINK 1 2 3 4 CN

    20、3 SB5 SB3 SB6 SB4 SB9 SB7 SB10 SB8 STM_JTMS STM_JTCK SWCLK SWDIO SWD RESERVED DEFAULT 3V3_ST_LINK T_SWDIO_IN T_SWO LED_STLINK LED_STLINK 3V3_ST_LINK Red _Green 2 1 3 4 LD1 LD_BICOLOR_CMS SWDIO SWCLK TCK/SWCLK TMS/SWDIO Not Fitted MCO MCO T_JRST 1 2 3 4 5 6 CN4 5075BMR-05-SM AIN_1 T_NRST T_SWO NRST T

    21、_NRST SB11 RC Must be very close to STM32F103 pin 29 5 1 2 GND 3 4 BYPASS INH Vin Vout U1 LD3985M33R D1 BAT60JFILM TX RX SB16 SB13 USART_RX USART_TX Close to JP Not Fitted STLINK_TX STLINK_RX Not Fitted LD2 LED, red C7 100nF C71 100nF C6 100nF C8 100nF C5 1uF C1 1uF C2 100nF C4 100nF C3 10nF C10 20p

    22、F C11 20pF C73 100nF C72 20pF 1 2 X1 8MHz 3V3_ST_LINK USB_RENUMn PWR_EXT PWR_ENn 3V3_ST_LINK 3 1 2 T1 9013-SOT23 3V3_ST_LINK USB_RENUMn PA14 PA13 PWR_ENn TP2 TP1 EN 1 GND 2 VO 4 NC 5 GND 7 VI 6 PG 3 U4 LD39050PU33R C14 1uF C15 100nF C13 1uF C12 100nF 3V3_ST_LINK 5 Volts Output 3 Volts Output 5 Volts

    23、 From External 5V_IN 5V_IN 5 Volts From USB ST-LINK JP4 3V3_ST_LINK 3V3_ST_LINK VBAT 1 PA7 17 PC13 2 PA12 33 PC14 3 PB0 18 PC15 4 JTMS/SWDIO 34 OSCIN 5 PB1 19 OSCOUT 6 VSS_2 35 NRST 7 PB2/BOOT1 20 VSSA 8 VDD_2 36 VDDA 9 PB10 21 PA0 10 JTCK/SWCLK 37 PA1 11 PB11 22 PA2 12 PA15/JTDI 38 PA3 13 VSS_1 23

    24、PA4 14 PB3/JTDO 39 PA5 15 VDD_1 24 PA6 16 PB4/JNTRST 40 PB12 25 PB5 41 PB13 26 PB6 42 PB14 27 PB7 43 PB15 28 BOOT0 44 PA8 29 PB8 45 PA9 30 PB9 46 PA10 31 VSS_3 47 PA11 32 VDD_3 48 U3 STM32F103CBT6 5V D3 STPS1L30A D2 STPS1L30A JP1 5V_USB_ST_LINK 5V_USB_ST_LINK MFX_USART3_RX MFX_USART3_TX SB17 SB15 D4

    25、 BAT60JFILM Not Fitted 1 2 CR1 CR2032 Holder IN 1 IN 2 ON 3 GND 4 SET 5 OUT 6 OUT 7 FAULT 8 U2 ST890CDR 5 1 2 GND 3 4 BYPASS INH Vin Vout U12 LD3985M25R C47 1uF C48 100nF C49 10nF C54 100nF C55 1uF 2V5 5V R11 10K_1%_0402 C9 100nF 1 2 3 JP6 D6 STPS1L30A 3V 3V3_REG R18 4K7_1%_0402 R82 10K_1%_0402 R83

    26、NA R14 100K_1%_0402 R86 100K_1%_0402 R85 4K7_1%_0402 R84 4K7_1%_0402 R1 0_5%_0402 R79 100_1%_0402 R10 10K_1%_0402 R8 0_5%_0402 R9 0_5%_0402 R7 1K5_1%_0402 5V_USB_ST_LINK R78 36K_1%_0402 R2 1K_1%_0402 R19 2K7_1%_0402 R80 100_1%_0402 R81 100_1%_0402 R17 22_1%_0402 R20 22_1%_0402 R21 22_1%_0402 R22 22_

    27、1%_0402 R13 NA R12 10K_1%_0402 JP2 SWO SB14 T_SWO PB3 R33 4K7_1%_0402 3V3 3V3 3V3_REG R4 330_1%_0402 R5 330_1%_0402 3V3_REG-ON 3V3_REG-ON JP3 R15 NA 2.5 Volts Output SB1 SB29 SB28 T_JTDI T_JTDO SWIM SWIM_RST SWIM_RST_IN R6 100K_1%_0402 3V3_REG SB12 R16 2K7_1%_0402 Ilim = 510mAIsc= 1.2Ilim to 1.5Ilim

    28、 = 612mA to 765mA LD3 LED, red R3 1K_1%_0402 PIC101 PIC102 COC1 PIC201 PIC202 COC2 PIC301 PIC302 COC3 PIC401 PIC402 COC4 PIC501 PIC502 COC5 PIC601 PIC602 COC6 PIC701 PIC702 COC7 PIC801 PIC802 COC8 PIC901 PIC902 COC9 PIC1001 PIC1002 COC10 PIC1101 PIC1102 COC11 PIC1201 PIC1202 COC12 PIC1301 PIC1302 CO

    29、C13 PIC1401 PIC1402 COC14 PIC1501 PIC1502 COC15 PIC4701 PIC4702 COC47 PIC4801 PIC4802 COC48 PIC4901 PIC4902 COC49 PIC5401 PIC5402 COC54 PIC5501 PIC5502 COC55 PIC7101 PIC7102 COC71 PIC7201 PIC7202 COC72 PIC7301 PIC7302 COC73 PICN101 PICN102 PICN103 PICN104 PICN105 PICN106 COCN1 PICN301 PICN302 PICN30

    30、3 PICN304 COCN3 PICN401 PICN402 PICN403 PICN404 PICN405 PICN406 COCN4 PICR101 PICR102 COCR1 PID101 PID102 COD1 PID201 PID202 COD2 PID301 PID302 COD3 PID401 PID402 COD4 PID601 PID602 COD6 PIJP101PIJP102 COJP1 PIJP201PIJP202 COJP2 PIJP301PIJP302 COJP3 PIJP401 PIJP402 COJP4 PIJP601 PIJP602 PIJP603 COJP

    31、6 PILD101 PILD102 PILD103 PILD104 COLD1 PILD201 PILD202 COLD2 PILD301 PILD302 COLD3 PIR101 PIR102 COR1 PIR201 PIR202 COR2 PIR301 PIR302 COR3 PIR401 PIR402 COR4 PIR501 PIR502 COR5 PIR601 PIR602 COR6 PIR701 PIR702 COR7 PIR801 PIR802 COR8 PIR901 PIR902 COR9 PIR1001 PIR1002 COR10 PIR1101 PIR1102 COR11 P

    32、IR1201 PIR1202 COR12 PIR1301 PIR1302 COR13 PIR1401 PIR1402 COR14 PIR1501 PIR1502 COR15 PIR1601 PIR1602 COR16 PIR1701 PIR1702 COR17 PIR1801 PIR1802 COR18 PIR1901 PIR1902 COR19 PIR2001 PIR2002 COR20 PIR2101 PIR2102 COR21 PIR2201 PIR2202 COR22 PIR3301 PIR3302 COR33 PIR7801 PIR7802 COR78 PIR7901 PIR7902

    33、 COR79 PIR8001 PIR8002 COR80 PIR8101 PIR8102 COR81 PIR8201 PIR8202 COR82 PIR8301 PIR8302 COR83 PIR8401 PIR8402 COR84 PIR8501 PIR8502 COR85 PIR8601 PIR8602 COR86 PISB101 PISB102 COSB1 PISB301 PISB302 COSB3 PISB401 PISB402 COSB4 PISB501 PISB502 COSB5 PISB601 PISB602 COSB6 PISB701 PISB702 COSB7 PISB801

    34、 PISB802 COSB8 PISB901 PISB902 COSB9 PISB1001 PISB1002 COSB10 PISB1101 PISB1102 COSB11 PISB1201 PISB1202 COSB12 PISB1301 PISB1302 COSB13 PISB1401 PISB1402 COSB14 PISB1501 PISB1502 COSB15 PISB1601 PISB1602 COSB16 PISB1701 PISB1702 COSB17 PISB2801 PISB2802 COSB28 PISB2901 PISB2902 COSB29 PIT101 PIT102

    35、 PIT103 COT1 PITP101 COTP1 PITP201 COTP2 PIU101 PIU102 PIU103 PIU104 PIU105 COU1 PIU201 PIU202 PIU203 PIU204 PIU205 PIU206 PIU207 PIU208 COU2 PIU301 PIU302 PIU303 PIU304 PIU305 PIU306 PIU307 PIU308 PIU309 PIU3010 PIU3011 PIU3012 PIU3013 PIU3014 PIU3015 PIU3016 PIU3017 PIU3018 PIU3019 PIU3020 PIU3021

    36、 PIU3022 PIU3023 PIU3024 PIU3025 PIU3026 PIU3027 PIU3028 PIU3029 PIU3030 PIU3031 PIU3032 PIU3033 PIU3034 PIU3035 PIU3036 PIU3037 PIU3038 PIU3039 PIU3040 PIU3041 PIU3042 PIU3043 PIU3044 PIU3045 PIU3046 PIU3047 PIU3048 COU3 PIU401 PIU402 PIU403 PIU404 PIU405 PIU406 PIU407 COU4 PIU1201 PIU1202 PIU1203

    37、PIU1204 PIU1205 COU12 PIX101 PIX102 COX1 PIC4701 PIC4802 PIU1205 PID602 PID601 PIJP602 PISB2801 PIC1402 PIC1502 PIJP603 PIR202 PIR3301 PIU404 PIR3302 NL3V30REG0ON PO3V30REG0ON PIC101 PIC202 PIC601 PIC702 PIC802 PIC7102 PIJP202 PIR102 PIR1502 PIR8501 PIR8602 PISB302 PIT103 PIU105 PIU301 PIU309 PIU302

    38、4 PIU3036 PIU3048 PIC902 PIC1202 PIC1302 PISB1201 PISB2901 PIU206 PIU207 PIU401 PIU406 PID301 PID401 PICN101 PID201 PIR1002 PIR1302 PIR8402 PIR8502 PIU3010 NLAIN01 PIC102 PIC201 PIC301 PIC401 PIC501 PIC602 PIC701 PIC801 PIC901 PIC1001 PIC1101 PIC1201 PIC1301 PIC1401 PIC1501 PIC4702 PIC4801 PIC4901 P

    39、IC5401 PIC5501 PIC7101 PIC7202 PIC7301 PICN105 PICN106 PICN403 PICR102 PIJP101 PILD101 PILD202 PIR602 PIR1202 PIR1401 PIR1602 PIR1801 PIR7801 PIR8201 PIR8301 PIR8401 PISB702 PISB1101 PIU102 PIU204 PIU308 PIU3020 PIU3023 PIU3035 PIU3047 PIU402 PIU407 PIU1202 PIR401 PIR501 PIU3030 NLLED0STLINK PIC7201

    40、 PIR8102 NLMCO POMCO PIC302 PIU104 PIC402 PIC502 PISB102 PIU101 PIU103 PIC4902 PIU1204 PIC5402 PIC5502 PISB2802 PISB2902 PIU1201 PIU1203 PICN102 PIR901 PICN103 PIR701 PIR801 PICN104 PIR601 PICN301 PISB301 PISB502 PICN302 PISB401 PISB602 PICN303 PISB701 PISB902 PICN304 PISB801 PISB1002 PICN401 PID101

    41、 PIR1201 PICN402 PIR1701 PICN404 PIR2001 PICN405 PIR2101 PICN406 PIR2201 PICR101 PIJP601 PID102 PIR1301 PID202 PID302 PIR302 PIR1102 PISB101 PISB1202 PIU201 PIU202 PID402 PIR1902 PIJP102 PIR1501 PIU3021 PIJP302 PONRST PILD102 PIR502 PILD103 PIR402 PILD104 PIR101 PILD201 PIR201 PILD301 PIR301 PILD302

    42、 PIU208 PIR702 PIT102 PIR1001 PIR7802 PIR7901 PIT101 PIR1402 PIU3044 PIR1601 PIU205 PIR8101 PIU3029 PIR8202 PIU302 PIR8302 PIU303 PISB601 POSWCLK PISB1001 POSWDIO PISB1301 POUSART0TX PISB1402 POSWO PISB1501 POMFX0USART30TX PISB1601 POUSART0RX PISB1701 POMFX0USART30RX PIU304 PIU3011 PIU3014 PIU3016 P

    43、IU3017 PIU3019 PIU3022 PIU3040 PIU3041 PIU3042 PIU3045 PIU403 PIU405 PIC1002 PIU305 PIX102 NLOSC0IN PIC1102 PIU306 PIX101 NLOSC0OUT PIR1101 PIU203 PIU3028 NLPWR0ENn PIJP201 PIR1802 PIR1901 PIU3039 NLPWR0EXT PIJP401 PISB1302 PISB1502 PIU3013 NLSTLINK0RX PIJP402 PISB1602 PISB1702 PIU3012 NLSTLINK0TX P

    44、ISB402 PITP201 PIU3037 NLSTM0JTCK PISB802 PITP101 PIU3034 NLSTM0JTMS PIC7302 PIR8601 PISB1102 PIU307 NLSTM0RST PIU3043 PIU3046 NLSWIM0IN PIR1702 PISB501 PIU3015 PIU3026 NLT0JTCK PIR2002 PIR8002 PISB901 PIU3027 NLT0JTMS PIJP301 PIR2102 PIU3018 NLT0NRST PIR8001 PIU3025 NLT0SWDIO0IN PIR2202 PISB1401 PI

    45、U3031 NLT0SWO PIR902 PIU3032 NLUSB0DM PIR802 PIU3033 NLUSB0DP PIR7902 PIU3038 NLUSB0RENUMn PO3V30REG0ON POMCO POMFX0USART30RX POMFX0USART30TX PONRST POSWCLK POSWDIO POSWO POUSART0RX POUSART0TX3 10 STM32L476VGT6 MCU MB1184 C-01 6/15/2015 Title: Size: Reference: Date: Sheet: of A4 Revision: STM32L476G

    46、-DISCO Project: PA0 Must be close to the MCU All this block must be very close to the STM32L476 SWCLK SWDIO SWDIO SWCLK PA14 PA13 USART_TX USART_RX PD5 USART_TX USART_RX PC14-OSC32_IN PC15-OSC32_OUT SB19 SB20 Must be close to the Crystal PE2 1 PE3 2 PE4 3 PE5 4 PE6 5 PC13 7 PC14 8 PC15 9 PH0 12 PH1

    47、13 NRST 14 PC0 15 PC1 16 PC2 17 PC3/VLCD 18 PA0 23 PA1 24 PA2 25 PA3 26 PA4 29 PA5 30 PA6 31 PA7 32 PC4 33 PC5 34 PB0 35 PB1 36 PB2 37 PE7 38 PE8 39 PE9 40 PE10 41 PE11 42 PE12 43 PE13 44 PE14 45 PE15 46 PB10 47 PB11 48 PB12 51 PB13 52 PB14 53 PB15 54 PD8 55 PD9 56 PD10 57 PD11 58 PD12 59 PD13 60 PD

    48、14 61 PD15 62 PC6 63 PC7 64 PC8 65 PC9 66 PA8 67 PA9 68 PA10 69 PA11 70 PA12 71 PA13 72 PA14 76 PA15 77 PC10 78 PC11 79 PC12 80 PD0 81 PD1 82 PD2 83 PD3 84 PD4 85 PD5 86 PD6 87 PD7 88 PB3 89 PB4 90 PB5 91 PB6 92 PB7 93 BOOT0 94 PB8 95 PB9 96 PE0 97 PE1 98 U9A STM32L476VGT6 VBAT 6 VSS4 27 VSS2 74 VRE

    49、F- 20 VREF+ 21 VDDA_ADC 22 VSS5 10 VDDUSB 73 VDD3 100 VSS1 49 VDD2 75 VDD1 50 VDD4 28 VSSA_ADC 19 VDD5 11 VSS3 99 U9B STM32L476VGT6 PA1 PA2 PA3 PA4 PA5 PA6 PA7 PA8 PA9 PA10 PA11 PA12 PA13 PA14 PA15 PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 PB8 PB9 PB10 PB11 PB12 PB13 PB14 PB15 PC0 PC1 PC2 PC3 PC4 PC5 PC6 PC7 PC8 PC9 PC10 PC11 PC12 PC13 PD0 PD1 PD2 PD3 PD4 PD5 PD6 PD7 PD8 PD9 PD10 PD11 PD12 PD13 PD14 PD15 PE0 PE1 PE2 PE3 PE4 PE5 PE6 PE7 PE8 PE9 PE10 PE11 PE12 PE13 PE14 PE15 NRST BOOT0 PC14 PH01 MCO PH1-OSC_OUT SB21 SB22 MCO 1 2 X2 8MHz SB18 PH0-OSC_IN PH0 PH1 QSPI_D0 QSPI_D3 Q

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