User's Manual

Summit User’s Guide – SDC-SSD40L
11
SDC-SSD40L_UsersGuide
© 2011 – 2012 Summit Data Communications, Inc. All rights reserved.
Pin
Number
Pin
Name
I/O
Voltage
Reference
Description
38
N/C
N/C
No Connect
39
N/C
N/C
No Connect
40
GND
-
Ground
41
GND
-I
Ground
42
GND
-
Ground
43
N/C
N/C
No Connect
44
N/C
N/C
No Connect
45
GND
-
Ground
46
GND
-
Ground
47
GND
-
Ground
48
GND
-
Ground
49
N/C
N/C
No Connect
50
N/C
N/C
No Connect
51
N/C
N/C
No Connect
52
N/C
N/C
No Connect
53
N/C
N/C
No Connect
54
GND
-
Ground
55
GND
-
Ground
56
ANT_1
I/O
Antenna 1 (Main)
57-66
GND
-
Ground
Integration Considerations
The following Wi-Fi information should be taken into consideration when integrating the SSD40L.
Wi-Fi
Series resistors are recommended in all six SDIO lines (27-56 ohms typically):
 SDIO_CLK
 SDIO_CMD
 SDIO_DATA_0
 SDIO_DATA_1
 SDIO_DATA_2
 SDIO_DATA_3