User's Manual

M2US50NBT/M2SD50NBT
Hardware Integration Guide
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/wireless
21
Laird
Americas: [phone]
Europe: [phone]
Hong Kong: [phone] x026
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
3.3Vaux
-
-
3.3V power supply
3.3V
3
USB D+
I/O
-
WLAN USB bus D+
Only used on M2US50NBT
NC
4
3.3Vaux
-
-
3.3V power supply
3.3V
5
USB D-
I/O
-
WLAN USB bus D-
Only used on M2US50NBT
N/C
6
LED#1
-
-
Reserved for Wi-Fi LED indicator,
Active High.
Note: Not supported by current software.
N/C
7
GND
-
-
Ground
GND
8
BT_PCM_CLK
I/O
1.8V
BT PCM clock
N/C
9
SDIO_CLK
I
1.8V
WLAN SDIO clock
Only used for M2SD50NBT.
N/C
10
BT_PCM_SYNC
I/O
1.8V
BT PCM Synchronous data
N/C
11
SDIO_CMD
I
1.8V
WLAN SDIO command data
Only used on M2SD50NBT.
N/C
12
BT_PCM_OUT
O
1.8V
BT PCM synchronous data output
N/C
13
SDIO_DATA0
I/O
1.8V
WLAN SDIO Data0
Only used on M2SD50NBT.
N/C
14
BT_PCM_IN
I
1.8V
BT PCM synchronous data input
N/C
15
SDIO_DATA1
I/O
1.8V
WLAN SDIO Data1
Only used on M2SD50NBT.
N/C
16
LED#2
-
-
N/C
N/C
17
SDIO_DATA2
I/O
1.8V
WLAN SDIO Data2 (used on M2SD50NBT)
N/C
18
GND
-
-
Ground
Ground
19
SDIO_DATA3
I/O
1.8V
WLAN SDIO Data3 (used on M2SD50NBT)
N/C