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ST STM32F401 User Manual
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Hardware layout
UM1669
26/39
DocID025174 Rev 1
PC9
MCO_2, TIM3_CH4,
I2C3_SDA, I2S2_CKIN,
SDIO_D1
66
46
PC10
I2S3ext_CK,
SPI3_SCK/I2S3_CK,
SDIO_D2
78
SCLK
37
PC1
1
I2S3ext_
SD,
SPI3_MISO, SDIO_D3
79
38
PC12
I2S3ext_MISO,
SPI3_MOSI/I2S3_SD,
SDIO_CK
80
SDIN
35
PC13
T
AMP_1
7
12
PC14
OSC32_IN
8
OSC32_IN
9
PC15
OSC32_OUT
9
OSC32_OUT
10
PD0
81
36
PD1
82
33
PD2
TIM3_ETR, SDIO_CMD
83
34
PD3
SPI2_SCK/I2S2_CK,
USART2_CTS
84
31
PD4
USART2_RTS
85
RESET
32
PD5
USART2_TX
86
RED
OverCurrent
29
PD6
SPI3_MOSI/I2S3_SD,
USART2_RX
87
30
T
able 6. MCU pin description ve
rsus board function (p
age 5 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
25
27
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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