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ST STM32F401 User Manual
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Hardware layout
UM1669
24/39
DocID025174 Rev 1
PB1
TIM1_CH3N,
TIM3_CH4, ADC1_9
36
21
PB2
37
24
PB3
JTDO-SWO,
TIM2_CH2, SPI1_SCK,
SPI3_SCK/I2S3_CK,
I2C2_SDA
89
SWO
6
2
8
PB4
JTRST
, TIM3_CH1,
SPI1_MISO,
SPI3_MISO,
I2S3ext_SD, I2C3_SDA
90
25
PB5
TIM3_CH2,
I2C1_SMBAL,
SPI1_MOSI,
SPI3_MOSI/I2S3_SD
91
26
PB6
TIM4_CH1, I2C1_SCL,
USART1_TX,
USB_FS_INT
92
SCL
SCL
23
PB7
TIM4_CH2, I2C1_SDA,
USART1_RX
93
24
PB8
TIM4_CH3,
TIM10_CH1,
I2C1_SCL,
USB_FS_SCL,
SDIO_D4
95
19
PB9
TIM4_CH4,
TIM1
1_CH1,
I2C1_SDA,
SPI2_NSS/I2S2_WS,
USB_FS_SDA,
SDIO_D5
96
SDA
SDA
20
PB10
TIM2_CH3, I2C2_SCL,
SPI2_SCK/I2S2_CK
47
CLK
34
VCAP1
48
VDD
35
T
able 6. MCU pin description ve
rsus board function (p
age 3 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
23
25
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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