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ST STM32F401 User Manual
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DocID025174 Rev 1
23/39
UM1669
Hardware layout
37
PA
7
TIM1_CH1N,
TIM3_CH2,
SPI1_MOSI, ADC1_7
32
SDA/SDI/SDO
17
PA
8
MCO_1, TIM1_CH1,
I2C3_SCL,
USART1_CK,
USB_FS_SOF
67
43
PA
9
TIM1_CH2,
I2C3_SMBAL,
USART1_TX,
USB_FS_VBUS
68
GREEN
VBUS
1
4
4
PA
1
0
TIM1_CH3,
USART1_RX,
USB_FS_ID
69
ID
4
4
1
PA
11
TIM1_CH4,
USART
1_CTS,
USART6_TX,
USB_FS_DM
70
DM
2
PA
1
2
TIM1_ETR,
USART1_R
TS,
USART6_RX,
USB_FS_DP
71
DP
3
P
A13
JTMS-SWDIO
72
SWDIO
4
4
2
PA
1
4
JTCK-SWCLK,
I2S3ext_WS
76
SWCLK
2
3
9
PA
1
5
JTDI,
TIM2_CH1/TIM2_ETR,
SPI1_NSS,
SPI3_NSS/I2S3_WS
77
40
PB0
TIM1_CH2N,
TIM3_CH3, ADC1_8
35
22
T
able 6. MCU pin description ve
rsus board function (p
age 2 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
22
24
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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