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Link to Sparrow MCU Datasheet (PDF)
[DEPRECATED] v1.0 Hardware
Collecting Logs
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FTDI
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Pin Mapping
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Sparrow FTDI Cable Color
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GND
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GND
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BLACK
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LPRX
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TXD
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ORANGE
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LPTX
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RXD
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YELLOW
NOTE: The serial connection MUST be set to operate at 9600 (8-N-1).
Sparrow Rail Pinout
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Pin #
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Pin Name
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Description
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Pin #
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Pin Name
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Description
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NRST
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RST#
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RESET Button
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PA7
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MOSI
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Main Out / Secondary In
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PH3-BOOT0
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BOOT
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BOOT Button
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PA6
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MISO
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Main In / Secondary Out
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VSS_EP
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GND
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Ground
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PA5
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SCK
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SPI Clock
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PB2
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A1
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Analog Pin 1
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PA4
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CS
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Chip Select
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PA10
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A2
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Analog Pin 2
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PA2
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LPTX
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Low-Power UART Transmit
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PA15
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A3
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Analog Pin 3
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PA3
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LPRX
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Low-Power UART Receive
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PA11
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SDA
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I2C Data
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PA1
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BLUE
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Blue LED
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PA12
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SCL
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I2C Clock
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PA0
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RED
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Red LED
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PA13
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SWDIO
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Single-Wire Debug I/O
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PB12
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GREEN
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Green LED
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PA14
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SWCLK
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Single-Wire Debug Clock
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PB6
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RX
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UART Receive
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PC13
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BTN#
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PAIR Button
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PB7
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TX
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UART Transmit
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VDD
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<VIO
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Logic-level Voltage
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--
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VBAT
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Direct Battery Voltage