User's Manual

MSD50NBT
Hardware Integration Guide
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/wireless
24
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Pin #
Name
Type
Voltage
Reference
Description
If Not
Used
48
CHIP_PWD_L
I
VDD_IO
"WLAN Power Down (0=power down, 1=
WLAN awake)
Note:10K ohm internal pull-up.
N/C
49
No Connect
-
-
No Connect
N/C
50
No Connect
-
-
No Connect
N/C
51
No Connect
-
-
No Connect
N/C
52
No Connect
-
-
No Connect
N/C
53
No Connect
-
-
No Connect
N/C
54
No Connect
-
-
No Connect
N/C
55
SDIO_CMD
I/O
VDD_IO
SDIO Command – Internal pull-up.
N/C
56
SDIO_CLK
I
VDD_IO
SDIO Clock (25MHz max)
N/C
57
SDIO_DATA_0
I/O
VDD_IO
SDIO Data 0 – Internal pull-up. No
external pull-up required
N/C
58
SDIO_DATA_3
I/O
VDD_IO
SDIO Data 3 – Internal pull-up. No
external pull-up required
N/C
59
SDIO_DATA_1
I/O
VDD_IO
SDIO Data 1 – Internal pull-up. No
external pull-up required
N/C
60
GND
-
-
Ground
GND
MSD40NBT, MSD45N, and MSD50NBT Pin Comparison Table
Pin #
Pin Name – MSD40NBT
Pin Name – MSD45N
Pin Name – MSD50NBT
1
GND
GND
GND
2
BT_UART_TXD
No Connect
BT_UART_TXD
3
BT_PRIORITY
BT_PRIORITY
No Connect
4
BT_GPIO_6
No Connect
No Connect
5
BT_UART_RTS_N
No Connect
BT_UART_RTS_N
6
BT_UART_RXD
No Connect
BT_UART_RXD
7
BT_HOST_WAKE_B
No Connect
No Connect
8
RSVD
No Connect
Wake On Wireless
9
RSVD
No Connect
No Connect
10
BT_PCM_OUT
No Connect
BT_PCM_OUT
11
BT_UART_CTS_N
No Connect
BT_UART_CTS_N
12
BT_WAKE_B
No Connect
BT_WAKEUP_HOST
13
VCC3_3
VCC3_3
VCC3_3
14
No Connect
No Connect
No Connect
15
No Connect
No Connect
No Connect