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Pin # | Pin Name | Description | Pin # | Pin Name | Description | |
|---|---|---|---|---|---|---|
NRST | RST# | RESET Button | PA7 | MOSI | Main Out / Secondary In | |
PH3-BOOT0 | BOOT | BOOT Button | PA6 | MISO | Main In / Secondary Out | |
VSS_EP | GND | Ground | PA5 | SCK | SPI Clock | |
PA2 | LPTX | Low-Power UART Transmit | PA4 | CS | Chip Select | |
PA3 | LPRX | Low-Power UART Receive | PA11 | SDA | I2C Data | |
PB2 | A1 | Analog Pin 1 | PA12 | SCL | I2C Clock | |
PA10 | A2 | Analog Pin 2 | PA1 | BLUE | Blue LED | |
PA15 | A3 | Analog Pin 3 | PA0 | RED | Red LED | |
PA13 | SWDIO | Single-Wire Debug I/O | PB12 | GREEN | Green LED | |
PA14 | SWCLK | Single-Wire Debug Clock | PB6 | RX | UART Receive | |
PC13 | BTN# | PAIR Button | PB7 | TX | UART Transmit | |
VDD | <VIO | Logic-level Voltage | -- | VBAT | Direct Battery Voltage |
Link to Sparrow Schematic (PDF)Link to Sparrow MCU Datasheet (PDF)
Additional Links
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[DEPRECATED] v1.0 Hardware
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Pin # | Pin Name | Description | Pin # | Pin Name | Description | |
|---|---|---|---|---|---|---|
NRST | RST# | RESET Button | PA7 | MOSI | Main Out / Secondary In | |
PH3-BOOT0 | BOOT | BOOT Button | PA6 | MISO | Main In / Secondary Out | |
VSS_EP | GND | Ground | PA5 | SCK | SPI Clock | |
PB2 | A1 | Analog Pin 1 | PA4 | CS | Chip Select | |
PA10 | A2 | Analog Pin 2 | PA2 | LPTX | Low-Power UART Transmit | |
PA15 | A3 | Analog Pin 3 | PA3 | LPRX | Low-Power UART Receive | |
PA11 | SDA | I2C Data | PA1 | BLUE | Blue LED | |
PA12 | SCL | I2C Clock | PA0 | RED | Red LED | |
PA13 | SWDIO | Single-Wire Debug I/O | PB12 | GREEN | Green LED | |
PA14 | SWCLK | Single-Wire Debug Clock | PB6 | RX | UART Receive | |
PC13 | BTN# | PAIR Button | PB7 | TX | UART Transmit | |
VDD | <VIO | Logic-level Voltage | -- | VBAT | Direct Battery Voltage |
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