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Electrical sc
hem
atics
Figur
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1.
S
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32
F4
D
IS
CO
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R
Y
STMicroelectronics
Title:
Number:
Rev:
Sheet of
B.2(PCB.SCH)
Date:
1/9/2012
MB997
1
STM32F4DISCOVERY
PA13
PA14
NRST
PB3
MCO
U_ST_LINK
ST_LINK_V2.SCHDOC
PA13
PA14
BOOT0
NRST
VDD
TCK/SWCLK
TMS/SWDIO
MCO
NRST
PB3
T_SWO
T_NRST
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
39
40
41
42
43
44
45
46
47
48
49
50
P1
Header 25X2
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
39
40
41
42
43
44
45
46
47
48
49
50
P2
Header 25X2
PA4
PC12
PC10
PB6
PB9
PD4
PC7
PC3
PB10
PC4
U_Audio
Audio.SchDoc
PA0
NRST
PD12
PE0
PD13
PD14
PD15
PE1
PA5
PA7
PE3
PA6
U_IO Peripherals
IO Peripherals.SchDoc
PA13
PA14
PA15
PA12
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PA8
PA9
PA10
PA11
PB12
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PB8
PB9
PB10
PB11
PB13
PB14
PB15
PC3
PC15
PC14
PC13
PC12
PC11
PC10
PC9
PC8
PC7
PC6
PC5
PC4
PC2
PC1
PC0
PD2
BOOT0
PH1
PH0
NRST
MCO
PE0
PE1
PE2
PE3
PE4
PE5
PE6
PE7
PE8
PE9
PE10
PE11
PE12
PE13
PE14
PE15
PD0
PD1
PD3
PD4
PD5
PD6
PD7
PD8
PD9
PD10
PD11
PD12
PD13
PD14
PD15
U_STM32Fx
STM32Fx.SchDoc
PD5
PA11
PA12
PC0
PA10
PA9
U_USB_OTG_FS
USB_OTG_FS.SchDoc
MCO
PA0
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
PC14
PC15
PH0
PH1
BOOT0
NRST
PE0
PE1
PE2
PE3
PE4
PE5
PE6
PE7
PE8
PE9
PE10
PE11
PE12
PE13
PE14
PE15
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PD8
PD9
PD10
PD11
PD12
PD13
PD14
PD15
PD5
PC0
PA10
PA11
PA12
PA4
PC12
PC10
PD4
PC7
PB6
PB9
PB10
PC3
PA0
NRST
PD12
PA5
PE3
PE0
PE1
PE1
PE2
PE3
PE4
PE5
PE6
PE7
PE8
PE9
PE10
PE11
PE12
PE13
PE14
PE15
PE0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PA8
PA9
PA13
PA14
PA15
PA0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PB8
PB9
PB10
PB11
PB12
PB13
PB14
PB15
PB0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PC8
PC9
PC10
PC11
PC12
PC14
PC15
PC0
PD1
PD2
PD3
PD4
PD6
PD7
PD8
PD9
PD10
PD11
PD12
PD13
PD14
PD15
PD0
PH1
PH0
VDD
PC4
PD13
PD14
PD15
VDD
BOOT1 / PB2
PA10
PD5
PC13
PA9
PA6
PA7
NC
3V
5V
5V
3V
5V
3V
3V
5V
Rev B.2 --> R27 Not Fitted, R28 Fitted. PCB label MB997 B-02
Rev B.1 --> PCB label MB997 B-01