User's Manual

MSD50NBT
Hardware Integration Guide
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/wireless
23
© Copyright 2015 Laird. All Rights Reserved
Americas: [phone]
Europe: [phone]
Hong Kong: [phone]
Pin #
Name
Type
Voltage
Reference
Description
If Not
Used
18
No Connect
-
-
No Connect
N/C
19
No Connect
-
-
No Connect
N/C
20
BT_PCM_SYNC
I/O
VDD_IO
BT PCM Synchronous data
N/C
21
VDD_IO
-
-
Bus and IO voltage level configuration.
Either 3.3V or 1.8V
1.8V
or
3.3V
22
BT_PCM_IN
I
VDD_IO
BT PCM synchronous data input
N/C
23
No Connect
-
-
No Connect
N/C
24
BT_PCM_CLK
I/O
VDD_IO
BT PCM clock
N/C
25
No Connect
-
-
No Connect
N/C
26
No Connect
-
-
No Connect
N/C
27
SDIO_DATA_2
I/O
VDD_IO
SDIO Data 2 – Internal pull-up. No
external pull-up required
N/C
28
No Connect
-
-
No Connect
N/C
29
VCC3_3
-
-
3.3V Power Supply for the Module. (3.2V
Min; 3.46V Max)
3.3V
30
GND
-
-
Ground
GND
31
GND
-
-
Ground
GND
32
BT_RST_L
I
VDD_IO
BT chip power-down control. Driving this
pin active low powers down or resets the
BT signal. Has internal weak pull-up.
Should be active low for at least 5ms to
reset the BT.
Note:10K ohm internal pull-up.
N/C
33
No Connect
-
-
No Connect
N/C
34
No Connect
-
-
No Connect
N/C
35
No Connect
-
-
No Connect
N/C
36
No Connect
-
-
No Connect
N/C
37
No Connect
-
-
No Connect
N/C
38
No Connect
-
-
No Connect
N/C
39
No Connect
-
-
No Connect
N/C
40
No Connect
-
-
No Connect
N/C
41
No Connect
-
-
No Connect
N/C
42
No Connect
-
-
No Connect
N/C
43
No Connect
-
-
No Connect
N/C
44
No Connect
-
-
No Connect
N/C
45
No Connect
-
-
No Connect
N/C
46
No Connect
-
-
No Connect
N/C
47
No Connect
-
-
No Connect
N/C