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ST STM32F746G-DISCO User Manual
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UM1907
Elect
rical schematics
DocID027942 Rev 3
29/49
Figure 23. Audio codec Cirrus and connecto
rs
41
3
Audio
Codec
WOLFSON
and
connectors
MB1191
B-04
10/16/2015
Title:
Size:
Reference:
Date:
Sheet:
of
A4
Revision:
STM32F746G-DISCO
Project:
SAI2_SCKA
Default I2C Address : 00110100
ADCDAT1
F2
ADCLRCLK1/GPIO1
G3
AGND
D6
CPVDD
G9
CPVOUTN
H7
CPVOUTP
G7
CS/ADDR
G2
DACDAT1
E4
CPGND
H9
DCVDD
F1
DBVDD
D2
DGND
E2
CPCB
H8
AVDD1
D9
BCLK1
G1
CIFMODE
A4
CPCA
G8
DMICCLK
C6
AGND
E7
AGND
E8
AVDD2
D8
GPIO2/MCLK2
E1
GPIO3/BCLK2
H2
GPIO4/LRCLK2
F4
GPIO5/DACDAT2
H3
GPIO6/ADCLRCLK2
G4
GPIO7/ADCDAT2
E5
GPIO8/DACDAT3
H4
GPIO9/ADCDAT3
F5
GPIO10/LRCLK3
H5
GPIO11/BCLK3
F6
HP2GND
F7
HPOUT1FB
G5
HPOUT1L
H6
HPOUT1R
G6
HPOUT2N
F9
HPOUT2P
F8
IN1LN
D7
IN1LP
C8
IN1RN
B7
IN1RP
C7
IN2LN/DMICDAT1
B9
IN2LP/VRXN
B8
IN2RN/DMICDAT2
A9
IN2RP/VRXP
A8
LDO1ENA
D4
LDO1VDD
E9
LDO2ENA
D5
LDO2VDD
D1
LINEOUT1N
C5
LINEOUT1P
B5
LINEOUT2N
C4
LINEOUT2P
B4
LINEOUTFB
A6
LRCLK1
E3
MCLK1
D3
MICBIAS1
A7
MICBIAS2
B6
REFGND
A5
SCLK
H1
SDA
F3
SPKGND1
A1
SPKGND2
C1
SPKMODE
A3
SPKOUTLN
B1
SPKOUTLP
A2
SPKOUTRN
C3
SPKOUTRP
B3
SPKVDD1
B2
SPKVDD2
C2
VMIDC
C9
VREFC
E6
U11
WM8994ECS/R
1V8
3V3
SAI2_FSA
SAI2_SDA
SAI2_SDB
Audio_INT
AUDIO_SDA
AUDIO_SCL
SAI2_MCLKA
3V3
3V3
MIC_DATA
MIC_CLK
MIC_VDD
LEFT
RIGHT
GND
5
LR
2
CLK
3
VDD
1
DOUT
4
U20
MP34DT01
GND
5
LR
2
CLK
3
VDD
1
DOUT
4
U21
MP34DT01
TP3
SPK
Left
SPK
Right
Right
Left
Jack
out
Green
Jack
in
blue
Right
Left
JP4
JP3
RCA
in
Yellow
for
SPDIF
input
SPDIF_RX0
TP_PH15
TP_PH15
2
1
CN1
RCA_SMD
2
6
4
3
CN11
PJ3028B-3_BE
2
6
4
3
CN10
PJ3028B-3_GR
C79
4.7uF
C71
1uF
C89
1uF
R87
10K
R47
10K
C107
1uF
C105
4.7uF
C88
4.7uF
R83
0
R80
[NA]
C103
100nF
C72
100nF
C115
100nF
C30
100nF
C87
2.2uF
C80
2.2uF
C78
2.2uF
R121
20
C104
4.7uF
C93
4.7uF
C70
100nF
C92
100nF
C69
1uF
C77
100nF
C102
100nF
C106
1uF
R76
0
R102
20
2
3
4
5
U1
74LVC1G04SE
C4
100nF
2
3
4
5
U2
74LVC1G04SE
R9
1M
R22
1M
R6
75
R7
100
R10
100
C7
100nF
C6
22nF
C9
22nF
3V3
3V3
3V3
Very
close
to
Output
pin
4
Second
Stage
R8
[NA]
First
Stage
of
first
stage
28
30
Table of Contents
Default Chapter
1
Figure 1. STM32F746G-DISCO Board (Top View)
1
User Manual
1
Figure 2. STM32F746G-DISCO Board (Bottom View)
1
Table of Contents
2
Features
6
Demonstration Software
6
Product Marking
7
Ordering Information
7
Technology Partners
7
Hardware Layout and Configuration
8
Figure 3. Hardware Block Diagram
8
Figure 4. STM32F746G-DISCO Discovery Board Top Layout
9
Figure 5. STM32F746G-DISCO Discovery Board Bottom Layout
10
Embedded ST-LINK/V2-1
11
Drivers
11
Figure 6. USB Composite Device
11
ST-LINK/V2-1 Firmware Upgrade
12
Power Supply
12
Figure 7. JP1 (5V Ext) from JP2 (5V)
12
Figure 8. JP1 (5V Ext) from CN6 (Vin)
12
Figure 9. JP1 (5V Link)
13
Programming/Debugging When the Power Supply Is Not from
14
ST-LINK (5V Link)
14
Figure 10. JP1 (Usb_Fs)
14
Figure 11. JP1 (Usb_Hs)
14
Clock Sources
15
Reset Sources
15
Audio
15
Usb Otg Fs
16
Usb Otg Hs
16
Microsd Card
16
Ethernet
17
SDRAM Memory
17
Quad-SPI nor Flash Memory
17
Figure 12. Inside RJ45 Jack
17
Camera Module
18
Display LCD-TFT
18
Connectors
19
C Extension Connector CN2
19
Camera Module Connector P1
19
Table 1. I 2 C Extension Connector CN2
19
Table 2. Camera Module Connector P1
19
Figure 13. I 2 C Extension Connector CN2 (Front View)
19
Figure 14. Camera Module Connector P1 (Front View)
19
Arduino uno V3 Connectors
20
Table 3. Arduino Connectors (CN4, CN5, CN6, CN7)
21
Ethernet RJ45 Connector CN9
22
Figure 15. USB OTG Micro-AB Connector CN12 (Front View)
22
Figure 16. Ethernet RJ45 Connector CN9 (Front View)
22
Table 4. USB OTG HS Micro-AB CN12
22
USB OTG HS Micro-AB Connector CN12
22
Figure 17. USB OTG Micro-AB Connector CN13 (Front View)
23
Table 5. RJ45 Connector CN9
23
Table 6. USB OTG FS Micro-AB Connector CN13
23
USB OTG FS Micro-AB Connector CN13
23
Figure 18. Microsd Connector CN3 (Front View)
24
Figure 19. USB Type B Connector CN14 (Front View)
24
Microsd Connector CN3
24
ST-LINK/V2-1 USB Type B Connector CN14
24
Table 7. Microsd Connector CN3
24
Audio Blue Jack (Line In) CN11
25
Audio Green Jack (Line Out) CN10
25
Audio Stereo Speakers JP3 and JP4
25
SPDIF Input RCA Connector CN1
25
Table 8. USB Type B Connector CN14
25
Table 9. SPDIF Input RCA Connector CN1
25
Electrical Schematics
26
Figure 20. STM32F746 Discovery Interconnection
26
Figure 21. ST-LINK/V2-1 with Support of SWD Only
27
Figure 22. Joystick, Leds and Pushbutton
28
Figure 23. Audio Codec Cirrus and Connectors
29
Figure 24. Quad-SPI Flash Memory (MICRON)
30
Figure 25. Arduino uno Connectors
31
Figure 26. SDRAM (MICRON)
32
Figure 27. USB OTG FS with Micro A-B Connector
33
Figure 28. STM32F746NGH6 Connection
34
Figure 29. USB OTG HS PHY with Micro A-B Connector
35
Figure 30. Ethernet PHY with RJ45 Connector
36
Figure 31. External Camera Connector
37
Figure 32. 4.3-Inch LCD with Capacitive Touch
38
Appendix A STM32F746G-DISCO IO Assignment
39
Table 10. STM32F746G-DISCO IO Assignment
39
Appendix B Mechanical Drawing
46
Figure 33. Mechanical Drawing
46
Appendix C Compliance Statements
47
Federal Communications Commission (FCC) and Industry Canada (IC) Compliance Statement
47
FCC Compliance Statement
47
IC Compliance Statement
47
Compliance Statement
47
Déclaration de Conformité
47
Revision History
48
Table 11. Document Revision History
48
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ST STM32F746G-DISCO Specifications
General
Brand
ST
Model
STM32F746G-DISCO
Category
Motherboard
Language
English
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