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STEVAL-ASTRA1B Datasheet(PDF) 3 Page - STMicroelectronics |
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STEVAL-ASTRA1B Datasheet(HTML) 3 Page - STMicroelectronics |
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3 / 28 page  2 Schematic diagrams Figure 1. Main board (STEVAL-ASTRA1) circuit schematic (1 of 9) GNSS APP_GNSS VDD_GNSS LIV3_RSTn LIV3_PPS LIV3_TX LIV3_WAKEUP LIV3_RX LIV3_I2C_SCL LIV3_I2C_SDA J900 SOLDER JUMPER3 SB938 0R N.M. R914 10k R916 10k SB939 0R SB944 0R D903 BAT30F4 A C HMI APP_HMI LED_R LED_B BUZZER BTN1 LED_G VDD_HMI BTN2 SYS_SHTDN POWER_ON V_UNREG VCONN SENSORS APP_SENSORS SENS_I2C_SDA SENS_I2C_SCL VDD_SENSORS SENS_INT2 SENS_INT1 SENS_SPI_MOSI SENS_SPI_CLK SENS_SPI_CS SENS_SPI_MISO VDD_SENSORS_PRIMARY SB943 0R SB941 0R POWER MANAGEMENT APP_POWER_MANAGEMENT VBAT_MEAS VDD2 VDD1 VBAT_MEAS_EN VDD_EN VDD_AUX_EN V_UNREG VBAT D902 BAT30F4 A C SOB edge and bottom pins APP_CONTROLLER E11_WB_PA2_LPUART1_TX E6_WB_PE0_TIM16CH1 E7_WB_PD9_EXTI E10_WB_PA3_LPUART1_RX E8_WB_PC7_EXTI E1_WB_GND_RF E21_WB_PC1_ADC E16_WB_PD15_TIM1CH2 E15_WB_PA15_GPIO E14_WB_PA1_TIM2CH2 E12_WB_PC5_ADC E19_WB_PA6_SPI1_MISO E13_WB_PA0_WKUP E18_WB_PA4_SPI1_CS E17_WB_PA5_SPI1_SCK E20_WB_PB5_SPI1_MOSI E25_WB_PC11_EXTI E26_WB_PB6_USART1_TX E27_WB_PB7_USART1_RX E23_WB_PB9_I2C1_SDA E28_WB_PE3_EXTI E24_WB_PB8_I2C1_SCL E29_WB_PC4_EXTI E31_WB_PD5_QUADSPI_BK1_IO1 E33_WB_PD7_QUADSPI_BK1_IO3 E32_WB_PA7_QUADSPI_BK1_IO2 E35_WB_PB10_QUADSPI_CLK E34_WB_PD3_QUADSPI_BK1_NCS E30_WB_PD4_QUADSPI_BK1_IO0 E39_WB_PA11_USB_DM E43_WL_PA10_I2S2_SD E37_WB_VDD_USB E47_WB_PB11_I2C3_SDA E45_WL_PB14_I2C3_SDA E36_WB_GND E38_WB_PA12_USB_DP E40_WB_PC13_EXTI E42_WB_PD14_TIM1CH1 E41_WB_PD12_EXTI E46_WL_PB13_I2C3_SCL E44_WL_PA9_I2S2_CK E48_WB_PC0_I2C3_SCL E53_V_REG_2 E55_V_UNREG E54_V_REG E56_WL_GND0 E9_WB_PD11_GPIO E22_SOB_REG_EN E52_WB_RESET E49_WB_VDD E50_WB_PA13_SWDIO E4_WL_PA13_SWDIO E2_WL_RESET E3_WL_PA14_SWCLK E5_WL_VDD E51_WB_PA14_SWCLK D904 BAT30F4 A C MEMORY APP_MEMORY VDD_MEM MEM_I2C_SDA MEM_I2C_SCL MEM_INT INTERFACE APP_IF USB_ADC WL_RESET WB_RESET WB_SWDIO WL_SWCLK WB_SWCLK WL_SWDIO USB_DP USB_DM WL_VDD WB_VDD WB_VDD_USB E[1..56] B[1..110] V_UNREG VCONN VBAT WL_STSAFE APP_STSAFE STSAFE_RST VDD_STSAFE STSAFE_SCL STSAFE_SDA R917 10k SB940 0R SB935 0R N.M. J901 SOLDER JUMPER3 1 2 3 D905 BAT30F4 A C SB934 0R N.M. SB942 0R R915 10k LIV3_RSTn LIV3_WAKEUP LIV3_TX LIV3_RX SENS_INT1 VDD_SENSORS BTN1 LED_R LED_G LED_B BUZZER VBAT_MEAS VBAT_MEAS_EN VDD_EN SENS_I2C_SCL SENS_I2C_SDA MEM_INT V_UNREG VDD_MEM SENS_INT2 SENS_SPI_CS SENS_SPI_CLK SENS_SPI_MISO SENS_SPI_MOSI MEM_I2C_SDA MEM_I2C_SCL WB_SWCLK WB_SWDIO WB_RESET WL_SWCLK WL_SWDIO WL_RESET USB_ADC USB_DP USB_DM V_REG_SOB LIV3_SCL SENS_I2C_SCL SENS_I2C_SDA LIV3_SDA SENS_I2C_SCL SENS_I2C_SDA VDD_SENSORS MEM_I2C_SCL MEM_I2C_SDA VDD_MEM V_REG_SOB VDD_GNSS V_UNREG WAKEUP MEM_INT SENS_INT2 SENS_INT1 BTN2 V_REG_2_SOB LIV3_RSTn WB_RESET WB_SWCLK WB_SWDIO MEM_I2C_SCL MEM_I2C_SDA LED_R LED_B LED_G WL_RESET V_REG_2_SOB V_UNREG V_REG_SOB WL_SWCLK WL_SWDIO BTN1 SENS_SPI_CLK SENS_SPI_CS SENS_SPI_MISO SENS_SPI_MOSI USB_DP USB_DM POWER_ON VDD_EN VBAT_MEAS USB_ADC SENS_I2C_SCL SENS_I2C_SDA WAKEUP BUZZER LIV3_WAKEUP SENS_INT2 VBAT_MEAS_EN MEM_INT SENS_INT1 WB_VDD WB_VDD_USB WL_VDD WB_VDD_USB WB_VDD WL_VDD B[1..110] E[1..56] WL_STSAFE_RST WL_STSAFE_VDDEN WL_STSAFE_SDA WL_STSAFE_SCL WL_STSAFE_VDDEN V_REG2_MAIN WL_STSAFE_RST WL_STSAFE_SCL WL_STSAFE_SDA V_UNREG BTN2 BTN2 POWER_ON SYS_SHTDN WL_STSAFE_RST SYS_SHTDN SHTDN LIV3_TX LIV3_RX VCONN VCONN V_REG_2_SOB VBAT VBAT WB_PH1 B7 V_REG2_EN B4 SHTDN WB_PH0 Internal connection WB/WL |
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