Extension Connectors (Cn5, Cn6, Cn13, And Cn14); User Leds - ST STM32L4R9I User Manual

UM2248
6.15

Extension connectors (CN5, CN6, CN13, and CN14)

The CN5, CN6, CN13, and CN14 headers complement to give access to all GPIOs of the
STM32L4R9AII6 microcontroller. In addition to GPIOs, the following signals and power
supply lines are also routed on CN5, CN6, CN13, or CN14:
•
GND
•
+5 V
•
+3.3 V
•
D5V
•
VDD
•
RESET#
•
Clock terminals PC14-OSC32_IN, PC15-OSC32_OUT, PH0-OSC_IN, PH1-OSC_OUT
Each header has two rows of 20 pins, with 1.27 mm pitch and 2.54 mm row spacing. For
extension modules, SAMTEC RSM-120-02-L-D-xxx and SMS-120-x-x-D are recommendable
as SMD and through-hole receptacles, respectively (x is a wild card).
6.16

User LEDs

Four general-purpose color LEDs (LD1, LD2, LD3, LD4) are available as light indicators.
Each LED is ON with a low level of the corresponding ports of STM32L4R9AII6.
And the four LEDs are exclusive to MC operation.
UM2248 Rev 5
Hardware layout and configuration
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