u-blox EVK-LEXI-R520 User Manual page 18

Dual-in-line board-to-board connector J104
Signal name Pin no.
Not connected
Not connected
Not connected
GND
GND
DTR
CTS
RXD
DSR
Not connected
Not connected
GPIO5
Not connected
Not connected
Not connected
GPIO3
Not connected
V_INT
Not connected
Not connected
GND
Table 6: Pin-out of the 42-pin dual-in-line board-to-board connectors (J103, J104)
☞
The pins / interfaces that are not supported by LEXI-R520 modules should be not driven by an
external device. See the LEXI-R520 data sheet
manual [3] to learn about the features supported by LEXI-R520 module.
UBXDOC-686885345-1791 - R02
C1-Public
Pin no. Signal name
1 2 GND
3 4 Not connected
5 6 Not connected
7 8 GND
9 10 GND
11 12 DCD
13 14 RTS
15 16 TXD
17 18 RI
19 20 Not connected
21 22 Not connected
23 24 GPIO6
25 26 GPIO4
27 28 Not connected
29 30 PWR_ON
31 32 GPIO2
33 34 GPIO1
35 36 Not connected
37 38 Not connected
39 40 Not connected
41 42 Not connected
EVK-LEXI-R520 hardware
EVK-LEXI-R520 - User guide
Dual-in-line board-to-board connector J103
Signal name Pin no.
Not connected 1
ANT_DET 3
RFCTRL1 5
VCC 7
VCC 9
Not connected 11
SIM_IO 13
SIM_RST 15
Not connected 17
SCL 19
Not connected 21
Not connected 23
RESET_N 25
Not connected 27
Not connected 29
Not connected 31
Not connected 33
Not connected 35
Not connected 37
Not connected 39
GND 41
[2] and the LEXI-R520 system integration
Pin no. Signal name
2 GND
4 ANT_ON
6 RFCTRL2
8 VCC
10 VCC
12 Not connected
14 VSIM
16 SIM_CLK
18 Not connected
20 Not connected
22 SDA
24 Not connected
26 Not connected
28 Not connected
30 Not connected
32 Not connected
34 Not connected
36 Not connected
38 Not connected
40 Not connected
42 Not connected
Page 18 of 23