UM1759 datasheet(12/50 Pages) STMICROELECTRONICS

12 / 50 page

Hardware description

UM1759

12/50

DocID026279 Rev 1

3.1.5

Daughter board test point

A row of test points (area M in Figure 8) is available for debugging and testing. The available

signals are:

GND

VDD

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

SPI CSn

SPI MISO

SPI MOSI

SPI SCKL

SPIRIT1 GPIO2

SPIRIT1 GPIO3

10. SPIRIT1 GPIO1

11. SPIRIT1 GPIO0

12. GND

3.1.6

Push buttons and joystick

The board has two buttons, one to reset the microcontroller and the other is available to the

application, and a digital joystick with 4 possible positions (left, right, up, down) (area G in

Figure 8).

3.1.7

JTAG connector

A JTAG connector (area H in Figure 8) allows on-board programming and debugging of the

STM32L microcontroller using an in-circuit debugger and programmer like the ST-LINK/V2.

3.1.8

LEDs

Five LEDs are available (area I in Figure 8).

•

DL1: green

•

DL2: orange

•

DL3: red

•

DL4: blue

•

DL5: yellow

3.2

STEVAL-IKR002Vx (RF module)

The RF module includes 5 different possible BOM lists on the same PCB layout. Each one

is optimized for the following different RF bands:

•

169 MHz

•

315 MHz

•

433 MHz

•

868 MHz

•

915 MHz

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