Datasheet

NEO-M9N-Data sheet
Pin No Name I/O Description
11 RF_IN I GNSS signal input
12 GND I Ground
13 GND I Ground
14 LNA_EN O Antenna/LNA control
15 Reserved - Reserved
16 Reserved - Reserved
17 Reserved - Reserved
18 SDA / SPI CS_N I/O I2C data if D_SEL = VCC (or open); SPI chip select if D_SEL = GND
19 SCL / SPI SLK I/O I2C clock if D_SEL = VCC (or open); SPI clock if D_SEL = GND
20 TXD1 / SPI MISO O UART output if D_SEL = VCC (or open); SPI MISO if D_SEL = GND
21 RXD1 / SPI MOSI I UART input if D_SEL = VCC (or open); SPI MOSI if D_SEL = GND
22 V_BCKP I Backup voltage supply
23 VCC I Supply voltage
24 GND I Ground
Table 9: NEO-M9N pin assigment
For detailed information on the pin functions and characteristics see the u-blox NEO-M9N
Integration manual [1].
UBX-19014285 - R02
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3 Pin definition Page 9 of 21
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