User's Manual

MSD50NBT
Hardware Integration Guide
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/wireless
22
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Symbol
Parameter
Min.
Typ.
Max.
Unit
tTLH
Clock rise time
-
-
10
ns
tTHL
Clock low time
-
-
10
ns
Inputs: CMD, DAT (referenced to CLK)
tISU
Input setup time
6
-
-
ns
tIH
Input hold time
2
-
-
ns
Outputs: CMD, DAT (referenced to CLK)
tODLY
Output delay time – Data Transfer mode
0
-
14
ns
PIN DEFINITIONS
Pin #
Name
Type
Voltage
Reference
Description
If Not
Used
1
GND
-
-
Ground
GND
2
BT_UART_TXD
O
VDD_IO
Bluetooth UART Serial output
N/C
3
No Connect
-
-
No Connect
N/C
4
No Connect
-
-
No Connect
N/C
5
BT_UART_RTS_N
O
VDD_IO
"Request-to-send signal for the
Bluetooth UART interface, active low"
N/C
6
BT_UART_RXD
I
VDD_IO
Bluetooth UART Serial input
N/C
7
No Connect
-
-
No Connect
N/C
8
Wake On Wireless
O
VDD_IO
Reserved as Wake-ON-Wireless
(WOW) LAN, WLAN output signal to
wake up host, active Low and need
external 10K pull up.
Note: The current software does not
support it.
N/C
9
No Connect
-
-
No Connect
N/C
10
BT_PCM_OUT
O
VDD_IO
BT PCM synchronous data output
N/C
11
BT_UART_CTS_N
I
VDD_IO
"Clear-to-send signal for the Bluetooth
UART interface, active low”
N/C
12
BT_WAKEUP_HOST
O
VDD_IO
When BT wakes up from its deep sleep
state, it sends an H pulse signal out to
Host. Normally, it is Low state.
Note: The current software does not
support it.
N/C
13
VCC3_3
-
-
3.3V Power Supply for the Module. (3.2V
Min; 3.46V Max)
3.3V
14
No Connect
-
-
No Connect
N/C
15
No Connect
-
-
No Connect
N/C
16
No Connect
-
-
No Connect
N/C
17
No Connect
-
-
No Connect
N/C