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ST STM32F401 User Manual
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DocID025174 Rev 1
27/39
UM1669
Hardware layout
37
PD7
USART2_CK
88
27
PD8
55
40
PD9
56
41
PD10
57
42
PD1
1
58
43
PD12
TIM4_CH1
59
GREEN
44
PD13
TIM4_CH2
60
ORANGE
45
PD14
TIM4_CH3
61
RED
46
PD15
TIM4_CH4
62
BLUE
47
PE0
TIM4_ETR
97
INT1
17
PE1
98
INT2
18
PE2
TRACECLK, SPI4_SCK
1
DRDY
15
PE3
TRACED0
2
CS_I2C/SPI
16
PE4
TRACED1, SPI4_NSS
3
INT1
13
PE5
TRACED2, TIM9_CH1,
SPI4_MISO
4
INT2
14
PE6
TRACED3, TIM9_CH2,
SPI4_MOSI
5
11
PE7
TIM1_ETR
38
25
T
able 6. MCU pin description ve
rsus board function (p
age 6 of 8)
MCU pin
Board function
Main
function
Alternate
functions
LQFP100
CS43L22
MP45DT02
L3GD20
LSM303DLHC
Pushbutton
LED
SWD
USB
OSC
Free I/O
Power supply
CN5
CN2
P1
P2
26
28
Table of Contents
Default Chapter
1
Figure 1. STM32F401 Discovery Board
1
Table of Contents
2
Conventions
6
Table 1. ON/OFF Conventions
6
Quick Start
7
Getting Started
7
System Requirements
7
Development Toolchain Supporting the STM32F401 Discovery Kit
7
Order Code
7
Features
8
Hardware Layout
9
Figure 1. Hardware Block Diagram
9
Figure 2. Top Layout
10
Figure 3. Bottom Layout
11
STM32F401VCT6 Microcontroller
12
Table 2. Features and Benefits
12
Figure 4. STM32F401VCT6 Microcontroller
12
Figure 5. STM32F401VCT6 Block Diagram
14
Embedded ST-LINK/V2
15
Figure 6. Typical Configuration
15
Table 3. Jumper States
15
Figure 7. STM32F401 Discovery Board Connections Image
16
Using ST-LINK/V2 to Program/Debug the STM32F401 on Board
16
Figure 8. ST-Link Connections Image
17
Table 4. Debug Connector CN2 (SWD)
17
Using ST-LINK/V2 to Program/Debug an External STM32 Application
17
Power Supply and Power Selection
18
Leds
18
Pushbuttons
18
On Board Audio Capability
19
USB OTG Supported
19
E-Compass MEMS (ST MEMS LSM303DLHC)
19
Gyroscope MEMS (ST MEMS L3GD20)
19
JP2 (IDD)
20
OSC Clock
20
OSC Clock Supply
20
OSC 32 Khz Clock Supply
20
Solder Bridges
21
Table 5. Solder Bridges
21
Extension Connectors
22
Table 6. MCU Pin Description Versus Board Function
22
Mechanical Drawing
30
Figure 9. STM32F401 Discovery Board Mechanical Drawing
30
Electrical Schematics
31
Figure 10. STM32F401 Discovery Board
31
Figure 11. ST-LINK/V2 (SWD Only)
32
Figure 12. STM32F401VCT6 MCU
33
Figure 13. Audio
34
Figure 14. USB_OTG_FS
35
Figure 15. Peripherals
36
Table 7. Document Revision History
37
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ST STM32F401 Specifications
General
Brand
ST
Model
STM32F401
Category
Microcontrollers
Language
English
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