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STM32F0DISCOVERY 其他数据使用手册 - ST Microelectronics(意法半导体)
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STMICROELECTRONICS STM32F0DISCOVERY 评估套件, 用于STM32F0, 板载ST-LINK/V2, 可用作独立ST-LINK/V2
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STM32F0DISCOVERY数据手册
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BusBoard Prototype Systems - Built for designers
www.BusBoard.com sales@busboard.com DOC-DAT-(PCB-STM32-F3U)-0001 Rev 1.00 Datasheet.doc
PCB-STM32-F3U is an unpopulated board and only the 2x25 sockets for the Discovery module are
included (no other parts provided). The BOM (bill of materials) and schematic diagram are available at
http://www.busboard.us/products/PCB-STM32-F3U/ to construct the board. Soldering is required.
Mostly thru-hole construction allows for easy assembly, maintenance, and modification.
Customer Comments
The boards work great. I'm impressed with the high build quality.
I've used them in a few different prototypes, and I haven't had any
issues with them.
It's great having the GPIO pins in order! The Discovery pinout is
pretty ridiculous if you ask me.
Thanks again for taking the initiative to design this board!
- AZ, California
STMicro Discovery-F3 Board With STM32F303VCT6
The Discovery F3 module includes a STM32F303VCT6 microcontroller with 256k program flash, 48k
RAM, and a floating-point/DSP unit in a LQFP100 package. An on-board ST-LINK/V2 programmer
allows code to be loaded and debugged via PC USB port. Accelerometer, compass, and gyroscope
peripherals are provided.
UEXT Expansion Headers
The Universal-EXTension-Connector (UEXT) is an expansion connector standard created by Olimex
Ltd. (www.Olimex.com). It provides an asynchronous serial port (USART), SPI and I2C all on the same
connector.
Peripheral modules for UEXT are available from Olimex (and stocked at www.Mouser.com) as well as
from other suppliers.
The STM32-F3U baseboard provides four UEXT connectors. There is a different USART on each
UEXT port. Two SPIs and two I2C ports are shared between the two connectors. A different SPI slave
select was used for each connector so four different SPI devices can be used.
Headers are provided for: UEXT1 Expansion (USART1 + SPI1 + I2C1)
UEXT2 Expansion (USART2 + SPI1 + I2C1)
UEXT3 Expansion (USART3 + SPI2 + I2C2)
UEXT4 Expansion (USART4 + SPI2 + I2C2)
The UEXT interface standard uses a 2x5 polarized header with 0.1” spacing. Modules connect to the
UEXT connector with a 10-pin ribbon cable.
The UEXT pinout is as follows:
Direction Signal Function Pin Pin Signal Function Direction
Output +3.3 Volts 1 2 GND -
Output from MCU USART-TX 3 4 USART-RX Input to MCU
Output I2C-SCL 5 6 I2C-SDA Bi-directional
Master In Slave Out SPI-MISO 7 8 SPI-MOSI Master Out Slave In
Master Out Slave In SPI-SCK 9 10 SPI-SSN Master Out Slave In
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