Ublox LENA-R8 Series, User Manual

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EVK-R8 - User guide
UBX-22018774 - R02 EVK-R8 HW Page 20 of 25
C1-Public
Dual-in-line board-to-board connector J402 Dual-in-line board-to-board connector J403
Signal name Pin N° Pin N° Signal name Signal name Pin N° Pin N° Signal name
GND 1 2 Not connected GND 1 2 TIMEPULSE
V_BCKP 3 4 Not connected ANT_ON 3 4 EXTINT
Not connected 5 6 Not connected RFCTRL1 5 6 RFCTRL2
GND 7 8 GND VCC 7 8 VCC
GND 9 10 GND VCC 9 10 VCC
DCD 11 12 DTR Not connected 11 12 Not connected
RTS 13 14 CTS VSIM 13 14 SIM_IO
TXD 15 16 RXD SIM_CLK 15 16 SIM_RST
RI 17 18 DSR Not connected 17 18 Not connected
RXD_GNSS 19 20 TXD_GNSS Not connected 19 20 SCL
Not connected 21 22 Not connected SDA 21 22 I2S_CLK
GPIO5 23 24 GPIO6 I2S_RXD 23 24 I2S_TXD
GPIO4 25 26 Not connected I2S_WA 25 26 RESET_N
Not connected 27 28 Not connected MIC_GND 27 28 MIC_BIAS
PWR_ON 29 30 Not connected Not connected 29 30 Not connected
GPIO2 31 32 GPIO3 Not connected 31 32 Not connected
GPIO1 33 34 Not connected SPK_P 33 34 SPK_N
Not connected 35 36 V_INT Not connected 35 36 Not connected
Not connected 37 38 Not connected Not connected 37 38 Not connected
Not connected 39 40 Not connected Not connected 39 40 Not connected
GND 41 42 GND GND 41 42 Not connected
Table 7: Pin-out of the 42-pin dual-in-line board-to-board connectors (J402, J403)
☞
The pins / interfaces that are not supported by a specific LENA-R8 product version should not be
driven by an external device. For the features supported by each LENA-R8 product version, see the
LENA-R8 series data sheet
[2] and the LENA-R8 series system integration manual [3] .