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Electrical schematics

UM2198

52/69

DocID030511 Rev 1

Figure 24. SR

AM, FLASH

 and S

DRAM

41

7

SRAM

 &

 FLASH

 &

 SDRAM

MB1246

B.2

6/9/2017

Title:

Size:

Reference:

Date:

Sheet:

of

A4

Revision:

STM32H7x3I-EVAL

P

roject:

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

A11

A12

A13

A14

A15

A16

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

A11

A12

A13

A14

A15

A16

A17

A18

A19

A20

A21

A22

F

MC_NE1

F

MC_NWE

F

MC_NOE

F

MC_NWAIT

JP1

3

A0

A0

A17

A18

D0

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

D12

D13

D14

D15

D0

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

D12

D13

D14

D15

Default

 setting:

 Open

PE1

PE0

PD5

PD7

PD6

PD4

PG10

F

MC_NBL0

F

MC_NBL1

A19

A20

A23

A22

B8

A15

D7

A14

C7

A13

A7

A12

B7

A11

D6

A10

C6

A9

A6

A8

B6

A19

D5

A20

D4

W

A5

RP

B5

A21

C5

Vpp/WP

B4

RB

A4

A18

C4

A17

B3

A7

A3

A6

C3

A5

D3

A4

B2

A3

A2

A2

C2

A1

D2

VCCQ

D8

A0

E2

E

F2

VSS

E8

G

G2

DQ0

E3

DQ8

F3

DQ1

H3

DQ9

G3

DQ2

E4

DQ10

F4

DQ3

H4

DQ11

G4

VCCQ

F1

DQ4

H5

DQ12

F5

DQ5

E5

DQ13

G6

DQ6

H6

DQ14

F6

DQ7

E6

DQ15A-1

G7

VSS

H7

BYTE

F7

A16

E7

VCC

G5

VSS

H2

A23

C8

U12

P

C28F128M29EWLA

D[0..31]

A[0..23]

D[0..31]

A[0..23]

R128

0

R88

0

SRAM

Nor

 Flash

+3V3

+3V3

+3V3

+3V3

+3V3

+3V3

+3V3

+3V3

D0

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

D12

D13

D14

D15

D16

D17

D18

D19

D20

D21

D22

D23

D24

D25

D26

D27

D28

D29

D30

D31

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

A11

A0

SDRAM

A11

H9

A10

G7

A9

J3

A8

H2

A7

H1

A6

G3

A5

G2

A4

G1

A3

F3

A2

F7

A1

G9

A0

G8

NC

E3

DQ0

R8

DQ8

L2

DQ1

N7

DQ9

M3

DQ2

R9

DQ10

M2

DQ3

N8

DQ11

P1

VDDQ

B2

DQ4

P9

DQ12

N2

DQ5

M8

DQ13

R1

DQ6

M7

DQ14

N3

DQ7

L8

DQ15

R2

VSS

A3

VDD

A7

DQ16

E8

DQ24

A2

DQ17

D7

DQ25

C3

DQ18

D8

DQ26

A1

DQ19

B9

DQ27

C2

DQ20

C8

DQ28

B1

DQ21

A9

DQ29

D2

DQ22

C7

DQ30

D3

DQ23

A8

DQ31

E2

VSSQ

B3

VDDQ

B7

VSSQ

B8

VSSQ

C1

VDDQ

C9

VSSQ

D1

VDDQ

D9

VDDQ

E1

NC

E7

VSSQ

E9

VSS

F1

VDD

F9

NC

H3

NC

H7

BA0

J7

BA1

H8

NU

K2

NC

K3

VDDQ

L1

VSS

L3

VDD

L7

VSSQ

L9

VSSQ

M1

VDDQ

M9

VSSQ

N1

VDDQ

N9

VDDQ

P2

VSSQ

P3

VDDQ

P7

VSSQ

P8

VSS

R3

VDD

R7

DQM0

K9

DQM1

K1

DQM2

F8

CLK

J1

CKE

J2

CS#

J8

DQM3

F2

RAS#

J9

CAS#

K7

WE#

K8

U15

IS42S32800G-6BLI

SDNCAS

SDNWE

SDNRAS

SDNE1

SDCKE1

SDCLK

F

MC_NBL3

F

MC_NBL2

+3V3

+3V3

+3V3

+3V3

Place

 close

 SDRAM

Place

 close

 Nor

 Flash

Place

 close

 SRAM

PH5

PG15

PF11

PH6

PH7

PG8

PI5

PI4

A4

B4

A3

B3

A2

A5

A1

A4

A0

A3

CE

B5

I/O0

B6

I/O1

C5

I/O2

C6

I/O3

D5

VCC

D6

VSS

D1

I/O4

E5

I/O5

F5

I/O6

F6

I/O7

G6

WE

G5

A16

E4

A15

F4

A14

F3

A13

G4

A12

G3

A11

H5

A10

H4

A9

H3

A8

H2

I/O8

B1

I/O9

C1

I/O10

C2

I/O11

D2

VCC

E1

I/O12

E2

I/O13

F2

I/O14

F1

I/O15

G1

BLE

A1

BHE

B2

OE

A2

A7

D4

A6

C4

A5

C3

A17

D3

A18

H1

VSS

E6

A19

G2

A20

H6

CE2

A6

U16

IS61WV102416BLL

-10MLI

R95

0

A14

A15

FMC_NBL1

FMC_NBL0

R282

0

C33

100nF

C155

100nF

C146

100nF

C138

100nF

C136

100nF

C137

100nF

C159

100nF

C158

100nF

C157

100nF

C143

100nF

C145

100nF

C161

100nF

C160

100nF

C156

100nF

C142

100nF

C144

100nF

C150

100nF

C152

100nF

C151

100nF

C149

100nF

R129

10K

R281

10K

R87

10K

R89

10K

R86

10K

R96

10K

F

MC_NE3

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Содержание STM32H743I-EVAL

Страница 1: ...ogrammer The full range of the hardware features on the STM32H743I EVAL Evaluation board helps to evaluate all the peripherals USB OTG HS and FS Ethernet FD CAN USART Audio DAC and ADC digital microph...

Страница 2: ...luation board layout 10 8 2 STM32H743I EVAL Evaluation board mechanical drawing 11 8 3 Embedded ST_LINK V2 1 12 8 3 1 Drivers 12 8 3 2 ST LINK V2 1 firmware upgrade 13 8 4 Power Supply 13 8 5 Clock so...

Страница 3: ...9 10 Memory connector CN11 and CN12 34 9 11 microSD connector CN13 37 9 12 USB OTG2 HS Micro AB connector CN14 38 9 13 USB OTG2 FS Micro AB connector CN16 39 9 14 USB OTG1 FS Micro AB connector CN18 3...

Страница 4: ...t 26 Table 18 CAN D type 9 pin male connector CN3 27 Table 19 I2 C EXT connector CN4 28 Table 20 Analog input output connector CN5 28 Table 21 Daughterboard extension connector CN6 29 Table 22 Daughte...

Страница 5: ...ront view 34 Figure 15 microSD connector top view 37 Figure 16 USB OTG HS Micro AB connector CN14 front view 38 Figure 17 USB OTG FS Micro AB connector CN16 front view 39 Figure 18 USB OTG FS Micro AB...

Страница 6: ...ck with 4 direction control and selector Board connectors Power jack 3 USB with Micro AB RS 232 communications Ethernet RJ45 FD CAN compliant connection Stereo headset jack including analog microphone...

Страница 7: ...m website Next to the evaluation tool ordering part number that is stuck or silk screen printed on the board 3 System requirements Windows OS XP 7 8 and 10 Linux or MacOS USB Type A to Micro B cable 4...

Страница 8: ...that no component remains in the bag The main component to verify is the microSD card that may have been ejected from the connector CN13 right side of the board Caution There is an explosion risk if t...

Страница 9: ...e mechanical dimensions of the board are showed in Figure 4 Figure 2 Hardware block diagram 06Y 9 670 9 EDWWHU XGLR DQG PSOLILHU 57 3 DQG WKHUQHW FRQQHFWRU 7 DQG 7UDFH FRQQHFWRU 3 56 FRQQHFWRU FU VWDO...

Страница 10: ...UUHQW DODUP 67 1 9 20 FRORU 6 59 3RWHQWLRPHWHU 5HVHW EXWWRQ DNHXS EXWWRQ R VWLFN 7DPSHU XWWRQ 8 1 OHIW GLJLWDO PLFURSKRQH FRXSRQ FRQQHFWRUV 8 1 ULJKW GLJLWDO PLFURSKRQH FRXSRQ FRQQHFWRUV 1 70 75 1 7 6...

Страница 11: ...dimensions Symbol Size mm Symbol Size mm Symbol Size mm A1 68 58 e 116 5 My 32 7 A2 48 62 H 8 P1 16 76 a 1 27 Lx1 13 7 P2 55 32 D 4 5 Lx2 25 Q1 39 23 d 3 5 Ly1 5 Q2 9 98 E1 107 Ly2 6 4 X 141 60 E2 11...

Страница 12: ...st be removed to reduce the stub on ETM signals In this configuration SAI and PDM are not functional and NOR Flash and the address of SRAM are limited on A18 Note 3 ETM trace function would be abnorma...

Страница 13: ...cted to a power switch ST890 that powers the board This power switch features also a current limitation to protect the PC in case of short circuit on the board If overcurrent more than 600 mA happens...

Страница 14: ...power source to PSU or D5V daughterboard mounted 4 Check red LED LD9 is turned ON 5 Connect the PC to USB connector CN23 If this order is not respected the board may be powered by VBUS first then by E...

Страница 15: ...e daughterboard connectors CN6 and CN7 set JP10 as shown to the right To supply the STM32H743I EVAL board through the USB OTG2 FS CN16 set JP10 as shown to the right To supply the STM32H743I EVAL boar...

Страница 16: ...4 MHz crystal for USB OTG2 HS PHY JP10 To supply the STM32H743I EVAL board through the USB OTG2 HS CN14 set JP10 as shown to the right To supply the STM32H743I EVAL board and the daughterboard connect...

Страница 17: ...N6 when SB39 is closed In such case R15 must be removed to avoid disturbance due to the 25 MHz quartz SB40 PH1 is connected to 25 MHz crystal when SB40 is open Default setting PH1 is connected to exte...

Страница 18: ...6 can be used to support ST MEMS microphone STEVAL MKI129V1 after removing SB54 and SB55 solder bridges Table 6 Boot related switches Switch configuration Boot address option bytes Boot space Default...

Страница 19: ...Default setting Digital microphone is connected to the DFSDM port of STM32H743XI when SW2 is set as shown to the right Digital microphone is connected to the PDM port of STM32H743XI when SW2 is set a...

Страница 20: ...6 with SB28 and SB29 closed and SB27 and SB30 open Green LED LD5 for CN14 or LD7 for CN16 lights up in one of these cases Power switch U14 is ON and the STM32H743I EVAL board works as a USB host VBUS...

Страница 21: ...ghterboard can be mounted on the CN4 connector and accessed by the microcontroller through the I2C1 bus Table 10 USART1 related jumpers Jumper Description JP7 USART1_TX is connected to RS232 when JP7...

Страница 22: ...nd BLN1 connected to BLE and BHE of SRAM respectively Table 11 CAN related jumpers and solder bridges Jumper Description JP1 CAN terminal resistor is enabled when JP1 is fitted Default setting Not fit...

Страница 23: ...either as 1 Twin Quad SPI NOR Flash 1 Gbit 2 512Mb memory or as 2 Quad SPI NOR Flash 512Mb memories The two dies in the Twin Quad SPI Flash memory share the same clock and chip select signals of the S...

Страница 24: ...D 20 GND 21 B0 PJ12 22 ENB PK7 23 B1 PJ13 24 25 B2 PJ14 26 HSYNC PI12 27 B3 PJ15 28 VSYNC PI13 29 B4 PK3 30 GND 31 B5 PK4 32 CLK PI14 33 B6 PK5 34 GND 35 B7 PK6 36 RESET 37 GND 38 I2C1_SDA PB7 39 INT...

Страница 25: ...GPIO14 TOUCH_INT Input LCD 28 PB15 MFX_GPIO15 MicroSDcard Detect Input microSD 29 PA8 MFX_GPIO8 OTG_FS2_ OverCurrent Input USB_FS2 30 PA9 MFX_GPIO9 OTG_FS2_ PowerSwitchOn Output USB_FS2 31 PA10 MFX_GP...

Страница 26: ...3 6 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded fr...

Страница 27: ...wnloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arro...

Страница 28: ...22 Table 19 I2 C EXT connector CN4 Pin number Description Pin number Description 1 I2C1_SDA PB7 5 3 3 V 2 NC 6 NC 3 I2C1_SCL PB6 7 GND 4 RESET PA4 8 NC Table 20 Analog input output connector CN5 Pin...

Страница 29: ...PB15 USART1_RX USB_FS2_DP Open SB49 SB51 49 D5V 51 PB11 ULPI_D4 Remove R109 53 PJ7 RGB_LCD_G0 Remove R24 Disconnect CN20 55 PJ6 RGB_LCD_R7 Disconnect CN20 57 PG6 QSPI_BK1_NCS Open SB6 Remove R19 59 G...

Страница 30: ...Remove R294 3 PC15 OSC32_OUT Remove R17 Close SB4 5 PI14 RGB_LCD_CLK Disconnect CN20 7 PI13 RGB_LCD_VSYNC Disconnect CN20 Table 21 Daughterboard extension connector CN6 continued Pin Description Alter...

Страница 31: ...Disconnect CN20 8 PA2 RMII_MDIO Remove R47 10 GND 12 PI8 GPIO_EXPANDER_INT Remove R185 14 PB9 SDIO_1_CDIR Remove R91 Table 22 Daughterboard extension connector CN7 continued Pin Description Alternati...

Страница 32: ...22 Daughterboard extension connector CN7 continued Pin Description Alternative function How to disconnect with function block on STM32H743I EVAL board Downloaded from Arrow com Downloaded from Arrow c...

Страница 33: ...rom Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Down...

Страница 34: ...iption 1 3 3V 2 3 3V 3 TRST PB4 4 GND 5 TDI PA15 6 GND 7 TMS SWDIO PA13 8 GND 9 TCK SWCLK PA14 10 GND 11 RTCK 12 GND 13 TDO SWO PB3 14 GND 15 RESET 16 GND 17 DBGRQ PJ7 18 GND 19 DBGACK PJ12 20 GND 3 6...

Страница 35: ...wnloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arro...

Страница 36: ...43I EVAL board Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Dow...

Страница 37: ...row com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded...

Страница 38: ...from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Dow...

Страница 39: ...com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded fr...

Страница 40: ...rposes Figure 19 USB Micro B connector CN23 front view Table 31 USB Micro B connector CN23 front view Pin number Description Pin number Description 1 VBUS power 4 ID Downloaded from Arrow com Download...

Страница 41: ...from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Dow...

Страница 42: ...rrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloade...

Страница 43: ...d from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com D...

Страница 44: ...row com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded...

Страница 45: ...from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Do...

Страница 46: ...om Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downl...

Страница 47: ...wnloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arro...

Страница 48: ...rom Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Down...

Страница 49: ...5 PD 0 15 PE 0 15 PF 0 15 PG 0 15 PH 0 15 PI 0 15 TMS SWDIO TCK SWCLK TDI ULPI_STP ETH_MDC RMII_RXD0 RMII_RXD1 SDIO1_D0 EXT_RESET SDIO1_CLK TAMPER_KEY LCD_ENB SDIO1_CMD FMC_NOE FMC_NWE FMC_NWAIT FMC_N...

Страница 50: ...N1_STBY PDM1_CLK1 SB11 Closed PDM1_D1 SB38 Closed R259 33 QSPI_BK2_IO2 R244 33 QSPI_BK2_IO3 R29 33 PH0 PH1 C8 3 9pF C9 3 9pF R16 0 QSPI_BK2_IO0 R228 33 QSPI_BK2_IO1 R235 33 PJ6 PJ7 PJ8 PJ9 PJ10 PJ11 P...

Страница 51: ...DD G5 VSS L10 VDD H5 VDD E9 VSS K11 VDD F5 VSS H10 VDD L5 VSS L8 VSS L9 VSS J11 VSS G11 VSS H7 VSS K7 VSS K8 VSS J10 VSS G10 VDD G13 VSS R4 VDD M5 VDD L13 VSS B6 VCAP3 A7 NC F1 VDD E6 VDD N8 VDD J13 V...

Страница 52: ...BL2 3V3 3V3 3V3 3V3 Place close SDRAM Place close Nor Flash Place close SRAM PH5 PG15 PF11 PH6 PH7 PG8 PI5 PI4 A4 B4 A3 B3 A2 A5 A1 A4 A0 A3 CE B5 I O0 B6 I O1 C5 I O2 C6 I O3 D5 VCC D6 VSS D1 I O4 E5...

Страница 53: ...4 3 CN19 PJ3028B 3 R145 0 R148 0 R131 N A R147 1K GND 5 DOUT 4 CLK 3 VDD 1 LR 2 U26 MP34DT01TR GND 5 DOUT 4 CLK 3 VDD 1 LR 2 U27 MP34DT01TR MIC_DATA MIC_CLK MIC_VDD SB54 Closed SB55 Closed LEFT RIGHT...

Страница 54: ...38 38 39 39 40 40 41 41 42 42 43 43 44 44 45 45 46 46 47 47 48 48 49 49 50 50 51 51 52 52 53 53 54 54 55 55 56 56 57 57 58 58 59 59 60 60 61 61 62 62 63 63 64 64 CN15 QSH 030 01 F D A PF10 I2C1_SCL I2...

Страница 55: ...0 0 RESET C5 100nF R47 0 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arr...

Страница 56: ...R120 8K06_1 R107 0 R103 0 R100 0 R106 N A R102 N A R99 N A REFSEL0 REFSEL1 REFSEL2 REFSEL0 REFSEL1 REFSEL2 3V3 R283 0 C140 2 2uF_X7R 1V8 4 3 5 G S D 6 7 8 2 1 T1 STS5PF30L 3 1 2 T2 9013 1V8 R133 1K R...

Страница 57: ...rom Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Down...

Страница 58: ...ownloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arr...

Страница 59: ...R229 R237 R253 SB44 C108 ON R27 R28 R33 R52 OFF R27 R28 R33 R52 ON R225 R229 R237 R253 SB44 C108 OFF Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow...

Страница 60: ...row com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded...

Страница 61: ...ded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com...

Страница 62: ...38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 CN6 P1039 2 30MGF 089 1A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38...

Страница 63: ...1K5 R186 100K USB_RENUMn R175 10K R178 36K R177 100 3V3_ST_LINK I O1 1 GND 2 I O2 3 I O2 4 Vbus 5 I O1 6 U25 USBLC6 2SC6 C170 100nF i Diff Pair 90ohm i Diff Pair 90ohm VBUS 1 DM 2 DP 3 ID 4 GND 5 Shie...

Страница 64: ...Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Ar...

Страница 65: ...rrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloade...

Страница 66: ...ght On Off control circuit wass removed from Version A 1 to B 1 H1 H2 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com...

Страница 67: ...m Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downlo...

Страница 68: ...aded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow co...

Страница 69: ...wnloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arro...

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