Description of PINs

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DK3420 - USB Demonstration kit with µPSD Turbo Plus & ST-MEMS-DQ-EVAL

H1:	5V	PB0	PB2	PB4	PB6 LED6	RESET	3.3V	P1.5 Ain5 BUT5	P1.3 Ain3 Y-Axe	P1.1 Ain1
H10:	GND	PB1	PB3	PB5 LED5	PB7 LED7	P1.6 Ain6 BUT6	P1.7 Ain7 BUT7	P1.4 Ain4 Z-Axe	P1.2 Ain2 X-Axe	P1.0 Ain0

    

H3:	PC2	P4.6 SDO	P4.4 SPC	P4.2	P4.0	P3.3	P3.1 UART0out	P3.5	P3.7 SCL	GND
H30:	GND	P4.7 CS	P4.5 SDI	P4.3	P4.1	P3.0 UART0in	P3.2	P3.4	P3.6 SDA	GND

Legend

• Ainx - Analog input x (Ain2, Ain3 and Ain4 are reserved for analog modules)
• SPC - SPI clock
• SDI - SPI data input (view from uPSD)
• SDO - SPI data output (view from uPSD)
• CS - SPI chip select
• SDA - I2C data
• SCL - I2C clock

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