Recommended Connection Diagram - Ebyte E78-868LN22S User Manual

E78-868LN22S
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★ For the pin definition, software driver and communication protocol of the module, please refer to ASR

3.3 Recommended connection diagram

ANT
GND
GND
GND
GND
XRES Input
ADC_IN Input
AUX Input/output
SETA Input/output
UART_RX Input/output
UART_TX Input/output
SWD_DATA Input/output
SWD_CLK Input/output
GND
SPI_MISO Input/output
SPI_NSS Input/output
SPI_MOSI Input/output
SPI_SCK Input/output
official《ASR6501 Datasheet》 ★
ground
Antenna interface, stamp hole (50 ohm characteristic
impedance)
Ground wire, connected to the power reference
ground
Ground wire, connected to the power reference
ground
Ground wire, connected to the power reference
ground
Ground wire, connected to the power reference
ground
External reset pins
NC (reserved pin)
NC (reserved pin)
NC (reserved pin)
UART RX pin
UART TX pin
SWD Data pin
SWD Clock pin
Ground wire, connected to the power reference
ground
SPI MISO test point, internally connected, cannot be
used as external SPI
SPI NSS test point, internally connected, cannot be
used as an external SPI
SPI MOSI test point, internally connected, cannot be
used as an external SPI
SPI SCK test point, internally connected, cannot be
used as external SPI
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