User's Manual
Laird MSD45N
Hardware Integration Guide, version 0.04
Americas: +1-800-492-2320 Option
3
Europe: +44-1628-858-940
Hong Kong: +852-2268-6567 x026
www.lairdtech.com/wireless
11
Laird Technologies
Pin
#
Name
I/O
Default
State
Ref.
Description
If Unused
2
No Connect
-
-
No internal connection. Leave it
open
Leave open
3
BT_PRIORITY
I
Hi-Z
VDD_IO
3-Wire Wi-Fi/BT coexistence signal
BT_PRIORITY for Bluetooth
coexistence
4
No Connect
-
-
No internal connection. Leave it
open
Leave open
5
No Connect
-
-
No internal connection. Leave it
open
Leave open
6
No Connect
-
-
No internal connection. Leave it
open
Leave open
7
No Connect
-
-
No internal connection. Leave it
open
Leave open
8
No Connect
-
-
No internal connection. Leave it
open
Leave open
9
No Connect
-
-
No internal connection. Leave it
open
Leave open
10
No Connect
-
-
No internal connection. Leave it
open
Leave open
11
No Connect
-
-
No internal connection. Leave it
open
Leave open
12
No Connect
-
-
No internal connection. Leave it
open
Leave open
13
VCC3_3
-
3.3 V Module Power
14
No Connect
-
-
No internal connection. Leave it
open
Leave open
15
No Connect
-
-
No internal connection. Leave it
open
Leave open
16
No Connect
-
-
No internal connection. Leave it
open
Leave open
17
No Connect
-
-
No internal connection. Leave it
open
Leave open
18
No Connect
-
-
No internal connection. Leave it
open
Leave open
19
No Connect
-
-
No internal connection. Leave it
open
Leave open
20
No Connect
-
-
No internal connection. Leave it
open
Leave open
21
VDD_IO
-
I/O bus voltage configuration;
Either 3.3 V or 1.8 V
22
No Connect
-
-
No internal connection. Leave it
open
Leave open
23
No Connect
No internal connection. Leave it
Leave open