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UM1657 Datasheet(PDF) 17 Page - STMicroelectronics |
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UM1657 Datasheet(HTML) 17 Page - STMicroelectronics |
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17 / 48 page ![]() DocID025094 Rev 1 17/48 UM1657 Hardware description 48 Table 2. MCU pin description versus board function Pin name Pin n° Board function LEDs SPIRIT1 Buttons USB SWD Ext. conn. VLCD 1 VBAT PC13 2 SDN_SPIRIT1 PC14 3 PC15 4 OSC_IN 5 OSC_OUT 6 NRST 7 2 VSS_A 8 VDD_A 9 PA0 10 PA1 11 USER_BUTTON_2 PA2 12 PA3 13 PA4 14 PA5 15 PA6 16 PA7 17 PB0 18 USER_LED_2 PB1 19 USER_LED_1 PB2 20 USER_BUTTON_1 PB10 21 GPIO3_SPIRIT1 9 PB11 22 VSS1 23 VDD1 24 PB12 25 SPI1_CS PB13 26 SPI1_CLK PB14 27 SPI1_MISO PB15 28 SPI1_MOSI PA8 29 PA9 30 PA10 31 PA11 32 USB_DM |
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