Data Sheet

Part No
Product
See Last Page
LM843
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module
XCVR SMT USB Module
LM843
Page 5 of 12
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Pin Assignments
Pin
1
2
3
4
5
6
7
8
9
10
11
12
Signal
GPIO3 /WPS
VDD
HSDM
HSDP
GND
GPIO8 /WL_LED
GND
RF_S0
GND
GND
RF_S1
GND
Type
Output
Power
I/O
I/O
-
I/O
-
RF
-
-
RF
-
Pin Outs
12
11
10
9
8
7
1
2
3
4
5
6
Description
GPIO3. General Purpose Input/ Output Pin Shared with WPS Pin (Active Low).
DC 3.3V
USB 2.0 Transceiver Dierential Pair
USB 2.0 Transceiver Dierential Pair
Ground
GPIO8. General Purpose Input / Output Pin / WL LED Pin (Active Low).
Ground
WLAN RF port (if not using IPEX connector)
Ground
Ground
WLAN / BT RF port (if not using IPEX connector)
Ground