UM1657 datasheet(22/48 Pages) STMICROELECTRONICS

No. de pieza	UM1657

Descripción Electrónicos	SPIRIT1 development kit

PDF	48 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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22 / 48 page

Hardware description

UM1657

22/48

DocID025094 Rev 1

The power supply sources: USB connector and jack connector for external power

supply. USB connector is used also for I/O with the microcontroller with a virtual COM

port exposed to the PC.

Switch to turn ON or OFF the board.

JTAG/SWD connector.

Three button and a joystick:

SCM_PS, not used

RESET, for resetting the MB board

Push_Button, used to enter in DFU mode

Joystick, not used.

Test point (TP), to probe the SPI signals, the 4 GPIOs of the SPIRIT1, the shutdown of

the SPIRIT1 (SDN), the supply voltage of the SPIRIT1 (VCCRF). The list of signals

available is:

GND

VCC_RF

GPIO SDN (the pin to drive in SHUTDOWN the SPIRIT1)

SPI CSn

SPI MISO

SPI MOSI

SPI SCKL

SPIRIT1 GPIO2

SPIRIT1 GPIO3

SPIRIT1 GPIO1

SPIRIT1 GPIO0

GND

Five LEDs

SMA connector

UM1657 Datasheet(PDF) 22 Page - STMicroelectronics