User's Manual

SDC-WB40NBT User’s Guide
16
SDC-WB40NBT_UsersGuide
© 2011 – 2012 Summit Data Communications, Inc. All rights reserved.
Section
Pin
No.
Pin Name
I/O
Reference
Description
Section
Pin
No.
Pin Name
I/O
Reference
Description
69
GND
Signal
Ground
External
Bus
Interface
70
GND
Signal Ground
Sync.
Serial
Interface
71
TK
I/O
VCC3_3
Transmit
Clock
72
NC
-
Leave open; don’t ground
73
TD
O
VCC3_3
Serial Output
74
NC
-
Leave open; don’t ground
75
TF
I/O
VCC3_3
Transmit
Frame
Sync
76
GND
Signal Ground
77
GND
Signal
Ground
78
NC
-
Leave open; don’t ground
79
RK
I/O
VCC3_3
Receive
Clock
80
NC
-
Leave open; don’t ground
81
RD
I
VCC3_3
Serial Input
82
GND
Signal Ground
83
RF
I/O
VCC3_3
Receive
Frame
Sync
84
NC
-
Leave open; don’t ground
USB
Device
85
GND
Signal
Ground
86
NC
-
Leave open; don’t ground
87
DPUCNTRL
O
VCC3_3
USB device
pull-up
resistor
enable,
active high
88
NC
-
Leave open; don’t ground
89
DBUSSENSE
I
VCC3_3
USB device
bus
sense signal
from
peripheral to
host,
active low
90
NC
-
Leave open; don’t ground
91
GND
Signal
Ground
92
NC
-
Leave open; don’t ground
93
DDM
I/O
VCC3_3
USB device
data
negative
94
NC
-
Leave open; don’t ground
95
DDP
I/O
VCC3_3
USB device
data positive
96
NC
-
Leave open; don’t ground
USB
Host A
97
GND
Signal
Ground
98
NC
-
Leave open; don’t ground
99
HDMA
I/O
VCC3_3
USB host A
data
negative
100
GND
Ground
101
HDPA
I/O
VCC3_3
USB host A
data positive
102
NC
-
Leave open; don’t ground