Development Kit
2.8 Board Layout
2.8.1 Component Identification
FP1
XPort Solder Pads
Se
le
ct
F
unc
tion
Se
lt T
est
XPo
rt
Pi
n
6
to
U2
CT
S
XPo
rt
Pi
n
7
to
U2
DC
D
XPo
rt
Pi
n
8
to
U2
DT
R
XPo
rt
Pi
n
8
to
U2
RT
S
N
O
XPo
rt
P
in 8 t
o U
2
Lo
op
-bac
k
Se
lf T
es
t
SW on of
f
ON
1
OF
F
2
OF
F
3
OF
F
4
ON
4
OF
F
5
ON
6
XP
or
t S
o
ck
e
t
SC1
LANTRONIX XPORT TEST BOARD
TP1
TP2
TP3
TP4
TDI
TCK
TMS
TDO
Ch
a
ss
is
G
ro
und
C
ha
ssi
s
Gr
o
und
TP6
TP5
JP
4
TP
12
Re
se
t
TP11
TP13
TP8
3.3V
TP9
Signal Ground
Configurable Port Interface
JP
5
U1
D4
D6
D5
RS232
RXD
TXD
Valid Active Active
D7
D9
D8
CP1
CP2
CP3
PAD
6
PAD
7
PAD
8
PLD
Control
PAD4
PAD3
U5
Slow
Timer
U4
SW
2
SW
1
PAD1
PA
D2
PA
D
10
PAD
9
Mode
1
6
RS232 Transceiver
U2
P1
1
R
S
23
2 t
o D
T
E
D
ev
ic
e
TP
7
Ch
a
ss
is
Gr
o
un
d
D2
Reset
XPort
Power
5VDC In
J1
XPort D-Out
XPort D-In
JP3
R31
Chassis Ground
Table 8 - Component Identifier
Label
Function
Label
Function
P1
RS232 Interface. DB-9F Connector
TP1
NA
J1
+5VDC Input Connector
TP2
NA
SC1 NA
TP3
NA
SW1 Mode
Switch
TP4
NA
SW2
Reset Switch
TP5
Chassis Ground
D2
XPort™ Power (Red) (LED)
TP6
Chassis Ground
D4
RS232 Valid (Green) (LED)
TP7
Chassis Ground
D5
RXD Active (Green) (LED)
TP8
XPort™ 3.3VDC (3V3)
D6
TXD Active (Green) (LED)
TP9
Signal Ground
D7
CP1- XPort™ pin 6 goes low (LED)
D8
CP2- XPort™ pin 7 goes low (LED) TP11
XPort™ Pin 5, Data In
D9
CP3- XPort™ pin 8 goes low (LED) TP12
XPort™ pin 3, Reset
JP3
Programming for PLD
TP13
XPort™ Pin 4, Data Out
JP4
Configurable Pins Interface Header
Connector
FP1
XPort™ Solder Pads
JP5
Factory Test – NO connector
XPort™ User Manual and Development Kit
2-9