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UM
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Schematics

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Figure 12. STM32L476VGT6 MCU

3

10

STM32L476VGT6  MCU

MB1184

C-01

6/15/2015

Title:

Size:

Reference:

Date:

Sheet:

of

A4

Revision:

STM32L476G-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

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

PD14

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

VREF-

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

PH[0..1]

MCO

PH1-OSC_OUT

SB21

SB22

MCO

1

2

X2
8MHz

SB18

PH0-OSC_IN

PH0

PH1

QSPI_D0

QSPI_D3

QSPI_D2

QSPI_D1

QSPI_CLK

QSPI_CS

QSPI_D0
QSPI_D1
QSPI_D2
QSPI_D3

QSPI_CS
QSPI_CLK

SAI1_FS

SAI1_SD

SAI1_SCK

I2C1_SCL

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

SEG[0..23]
COM[0..3]

SEG[0..23]
COM[0..3]

EXT_RST

EXT_RST

LD_R
LD_G

LD_R
LD_G

NRST

NRST

JOY_CENTER
JOY_DOWN
JOY_LEFT
JOY_RIGHT
JOY_UP

JOY_CENTER
JOY_DOWN
JOY_LEFT
JOY_RIGHT
JOY_UP

MFX_USART3_RX

MFX_USART3_TX

MFX_USART3_RX

MFX_USART3_TX

MFX_WAKEUP

MFX_WAKEUP

MFX_IRQ_OUT

MFX_IRQ_OUT

MFX_I2C_SDA

MFX_I2C_SCL

MFX_I2C_SCL
MFX_I2C_SDA

PE10

PE11

PE12
PE13
PE14
PE15

PB6

PE2

PE3

PE4

PE5
PE6

PE7
PE9

PA0

PA1
PA2
PA3

PA4

PA5

PC13
PB10
PB11

PB2
PE8

PD0

PA11
PA12

PC9

SAI1_MCK

AUDIO_RST

SAI1_FS

SAI1_SCK
SAI1_SD

COM0
COM1
COM2
COM3

SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12

SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23

GYRO_CS

GYRO_INT1

GYRO_INT2

MEMS_SCK

GYRO_CS

MEMS_MISO

MEMS_MOSI

MEMS_SCK

MEMS_MISO

MEMS_MOSI

GYRO_INT1

GYRO_INT2

MAG_CS

MAG_CS

XL_CS

XL_CS
XL_INT

MAG_DRDY

MAG_DRDY

XL_INT

MAG_INT

MAG_INT

PE0
PE1

PC0

PC1

PC2

PD1

PD3

PD4

PD7

PD6

PA6

PA7

PA15

PB0

PB1

PB4
PB5

PB12

PB13

PB14

PB15

PC3

PC4

PC5

PC6

PC7

PC8

PD8

PD9

PD10

PD11

PD12

PD13

PD14

PD15

VLCD

AUDIO_DIN
AUDIO_CLK

I2C1_SCL

I2C1_SDA

OTG_FS_OverCurrent

OTG_FS_VBUS

OTG_FS_ID

OTG_FS_DM
OTG_FS_DP

OTG_FS_PowerSwitchOn

VDD_MCU

C76

1uF_X5R_10%_0603

R91

510_1%_0402

L1
Ferrite

C35
100nF_X7R_10%_0402

C74
1uF_POL_10%_TANA

C23
1uF_POL_10%_TANA

C79

1uF_X5R_10%_0603

C82
100nF_X7R_10%_0402
C81
100nF_X7R_10%_0402

C75
100nF_X7R_10%_0402

C29
100nF_X7R_10%_0402

C80
100nF_X7R_10%_0402

VDDA

VDDA

R24

47_1%_0402

C24
100nF_X7R_10%_0402

VREF+

VREF+

VDD_MCU

C83
100nF_X7R_10%_0402

R90
0_5%_0402

VDD_MCU

3V

C78

20pF_NPO_5%_0402

C77

20pF_NPO_5%_0402

R89

0_5%_0402

R26

0_5%_0402

R25

0_5%_0402

R88

220_1%_0402

PC14

PH[0..1]

R31

4K7_1%_0402

R32

4K7_1%_0402

3V

R92

2K2_1%_0402

R93

2K2_1%_0402

PC14

PC15

PH1-OSC_OUT

PH0-OSC_IN

PC14-OSC32_IN
PC15-OSC32_OUT

BOOT0

SWO

3V3_REG-ON

3V3_REG-ON

SWO

PB3

PB3

Not  Fitted

PA8
PA9
PA10
PB9

PD2

PB7

PB8

PC10

PC11

PC12

PA9

PA10

SB24

SB25

Layout  priority  to  PA9,  PA10

R87

[NA]

X3
NX3215SA-32.768K

PC15

PC15

C27

4.7p0.25pF_0402

C25

4.7p0.25pF_0402

Содержание STM32L476

Страница 1: ...driver internal 128 Kbytes of SRAM and 1 Mbyte of Flash memory Quad SPI touch sensing USB OTG FS LCD controller FMC JTAG debugging support The 32L476GDISCOVERY includes an ST LINK V2 1 embedded debug...

Страница 2: ...1 Embedded ST LINK V2 1 13 10 1 1 Drivers 13 10 1 2 ST LINK V2 1 firmware upgrade 14 10 1 3 Using ST LINK V2 1 to program debug the STM32L476VGT6 on board 14 10 1 4 Using ST LINK V2 1 to program debu...

Страница 3: ...2 22 10 15 Solder bridges 23 11 Schematics 25 Appendix A Power consumption measurements 35 Appendix B Mechanical drawing 37 Appendix C Compliance statements 38 C 1 FCC Compliance Statement 38 C 1 1 Pa...

Страница 4: ...OFF conventions 8 Table 3 Jumper states 13 Table 4 Debug connector CN4 15 Table 5 Reset related jumper 18 Table 6 Connector CN2 21 Table 7 Extension connector 22 Table 8 Solder bridges 23 Table 9 Typ...

Страница 5: ...re 8 Board jumper location 17 Figure 9 Connector CN2 20 Figure 10 STM32L476 Discovery board design top sheet 25 Figure 11 ST LINK V2 1 with support of SWD only 26 Figure 12 STM32L476VGT6 MCU 27 Figure...

Страница 6: ...wo user LEDs LD6 green LD7 red USB OTG FS LEDs Push button reset Four direction joystick with selection USB OTG FS with Micro AB connector SAI Audio DAC stereo with output jack Digital microphone MEMS...

Страница 7: ...ordering part number that is stuck or silkscreen printed on the board This board features a specific STM32 device version which allows the operation of any bundled commercial stack library available...

Страница 8: ...eded before using the board for the first time to make sure that nothing has been damaged during the shipment and that no components are unplugged or lost When the board is extracted from its plastic...

Страница 9: ...98 available at www st com section Package Information Date code related portion of the package marking takes Y WW format where Y is the last digit of the year and WW is the week For example a part ma...

Страница 10: ...Audio DAC stereo with 3 5mm output jack USB OTG FS IDD current measurement LEDs push button joystick and the Figure 3 will help to locate these features on the STM32L476 Discovery board Figure 2 Hardw...

Страница 11: ...86 5 1 5 3520 1 QRW ILWWHG 3 3 QRW ILWWHG 3 EDWWHU RU LQWHUQDO 9 UHJXODWRU VHOHFWLRQ 3 H WHQVLRQ FRQQHFWRU 3 H WHQVLRQ FRQQHFWRU 3 567 8VHU V 1 67 1 WR 6 2 ERDUG RU 6 1 6 3 GG 21 2 8 670 9 7 8 0 06 P...

Страница 12: ...Figure 4 STM32L476 Discovery board bottom layout 06 9 5 EDWWHU FRQQHFWRU 6 6 N 6 6 27 6 6 7B6 2 6 67 1 3 5 6 6 6 6 GHIDXOW 6 6 6 6 UHVHUYHG 6 670B567 6 UHVHUYHG 6 6 0 6 6 UHVHUYHG 6 5 6 7 6 6 0 86 57...

Страница 13: ...manual UM1075 There are two different ways to use the embedded ST LINK V2 1 depending on the jumper states Program debug the STM32L476VGT6 on board Section 10 1 3 Program debug an STM32 in an external...

Страница 14: ...g fixes support for new microcontroller families it is recommended to visit the www st com website before starting to use the STM32L476 Discovery board and periodically in order to stay up to date wit...

Страница 15: ...o jumpers from CN3 as shown in Figure 7 in red and connect the board to the CN4 software debug connector according to Table 4 Make sure the jumpers JP6 3V3 and JP5 OFF are set JP3 must be ON if CN4 pi...

Страница 16: ...2L476 Discovery board and its extension board exceeds 300 mA it is mandatory to power the STM32L476 Discovery board using an external power supply connected to 5V_I Note In case this board is powered...

Страница 17: ...the PC to USB ST LINK connector CN1 If this order is not respected the board may be supplied by 5V_USB_ST_LINK first then by 5V_I or USB USER CN7 and the following risks may be encountered 1 If more t...

Страница 18: ...driven externally from PH0 through the P2 header pin 9 labeled PH0 The configuration needed is SB22 closed SB18 opened R89 not fitted Note Refer to Oscillator design guide for STM8S STM8A and STM32 mi...

Страница 19: ...ossible to set Boot0 high removing R91 and putting a jumper between P1 header pin 6 BOOT0 and pin 5 3V 10 7 Quad SPI NOR Flash memory 128 Mbit Quad SPI NOR Flash memory is connected to Quad SPI interf...

Страница 20: ...io stereo DAC CS43L22 U13 is connected to SAI interface of STM32L476VGT6 The STM32L476VGT6 controls the audio DAC via the I2C1 bus which is shared with the I2 C extension connector CN2 I2C1 is also av...

Страница 21: ...on position OFF STM32L476VGT6 is powered default Jumper on position ON an on board module is designed to measure from 60nA to 50mA by using several MOSFETs and switching automatically depending on th...

Страница 22: ...d P2 can also be probed by an oscilloscope logical analyzer or voltmeter Table 7 Extension connector P1 P2 Pin number function Pin number function 1 3V3 1 5V_U 5V_USB_ST_LINK 2 GND 2 GND 3 2V5 3 5V_I...

Страница 23: ...D6 PD5 of STM32L476VGT6 OFF PA2 PA3 of STM32F103CBT6 are not connected to PD6 PD5 of STM32L476VGT6 SB17 SB15 MFX USART RX TX ON PA2 PA3 of STM32L476VGT6 are connected to MFX USART RX TX OFF PA2 PA3 of...

Страница 24: ...gnal is not connected to PA9 OTG_FS_ID signal is not connected to PA10 SB26 ON Reserved do not modify SB27 OFF Reserved do not modify SB28 2 5V REG inhibit ON U12 2 5V regulator input is inhibited OFF...

Страница 25: ...I1_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_DOWN JOY_LEFT JOY_RIG...

Страница 26: ...C12 100nF 3V3_ST_LINK 5 Volts Output 3 Volts Output 5 Volts 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...

Страница 27: ...OTG_FS_DM OTG_FS_DP OTG_FS_ID OTG_FS_VBUS OTG_FS_OverCurrent SEG 0 23 COM 0 3 SEG 0 23 COM 0 3 EXT_RST EXT_RST LD_R LD_G LD_R LD_G NRST NRST JOY_CENTER JOY_DOWN JOY_LEFT JOY_RIGHT JOY_UP JOY_CENTER J...

Страница 28: ...0402 V V 3 2 1 4 8 U11A TSZ122IST 5 6 7 U11B TSZ122IST V V 3 2 1 4 8 U10A TSZ122IST 5 6 7 U10B TSZ122IST C36 100nF_X7R_10 _0402 see note see note see note Note two footprints superimposed allows to al...

Страница 29: ...JOY_RIGHT JOY_UP PA0 Input pins with pull down C41 100nF_X7R_10 _0402 R52 0_5 _0402 R53 100_1 _0402 COMMON 5 CENTER 2 DOWN 3 LEFT 1 RIGHT 6 UP 4 6 2 1 4 3 B2 MT 008A C44 100nF_X7R_10 _0402 C46 100nF_...

Страница 30: ...SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 COM0 COM1 COM2 COM3 SEG 0 23 COM 0 3 SEG0 1 SEG1 2 SEG2 3 SEG3 4 SEG4 5 SEG5 6 SEG6 7...

Страница 31: ...22 R68 22 3V3_REG 3V3_REG Dz A2 ID A3 Pd1 B1 Pup B2 Vbus B3 D in C1 Pd2 C2 D out C3 D in D1 GND D2 D out D3 U15 EMIF02 USB03F2 GND 2 IN 5 EN 4 OUT 1 FAULT 3 U14 STMPS2141STR OTG_FS_VBUS C67 4 7uF 3 1...

Страница 32: ...IN4A 21 AIN4B 22 AIN3A 23 AIN3B 24 AIN2A 25 AIN2B 26 AFILTA 27 AFILTB 28 AIN1A 29 AIN1B 30 SPKR HP 31 RESET 32 VL 33 VD 34 DGND 35 TSTO 36 MCLK 37 SCLK 38 SDIN 39 LRCK 40 GND Thermal Pad 41 U13 CS43L2...

Страница 33: ...of A4 Revision STM32L476G DISCO Project 3V Quad SPI Flash Memory QSPI_D0 QSPI_D3 QSPI_D2 QSPI_D1 QSPI_CLK QSPI_CS PE10 R74 10K_1 _0402 C61 100nF_X7R_10 _0402 DQ3 HOLD 7 VCC 8 S 1 DQ1 2 C 6 DQ0 5 VSS 4...

Страница 34: ...DD 15 GND 12 U7 L3GD20 C18 10uF_X5R_10 _0603 C20 10nF_X7R_10 _0603 C19 100nF_X7R_10 _0402 SCL SPC 1 INT_XL 12 VDD 9 VDD_IO 10 DRDY_MAG 11 GND 6 C1 5 SDA SDI SDO 4 GND 8 INT_MAG 7 CS_MAG 3 CS_XL 2 U6 L...

Страница 35: ...MFX STM32L152 For IDD TSZ122 2nd stage V 10 A due to resistors bridge STM32L476VGT6 STM32L476VGT6 GPIOs are configured in Analog input except PWR PUCRA 0 no PU on GPIOA PWR PDCRA 0x2F PD on GPIOA 0 1...

Страница 36: ...ble 9 Typical power consumption of the STM32L476 Discovery board MB1184 C01 component Typical theoretical consumption A Conditions LD3985M25R_U12 85 On mode VINH 1 2 V TSZ122IST_U10 58 Differential 11...

Страница 37: ...UM1879 Rev 4 37 41 UM1879 Mechanical drawing 40 Appendix B Mechanical drawing Figure 21 STM32L476 Discovery board mechanical drawing...

Страница 38: ...the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between t...

Страница 39: ...eils radio exempts de licence L exploitation est autoris e aux deux conditions suivantes 1 l appareil ne doit pas produire de brouillage et 2 l utilisateur de l appareil doit accepter tout brouillage...

Страница 40: ...2 Added Section 6 Bootloader limitations 24 Mar 2016 3 Added Section Appendix C Compliance statements 27 Jun 2018 4 Updated Table 8 Solder bridges Updated Chapter 6 Ordering information Updated Secti...

Страница 41: ...ers are solely responsible for the choice selection and use of ST products and ST assumes no liability for application assistance or the design of Purchasers products No license express or implied to...

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