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ML52
x
User Guide
www.xilinx.com
29
UG225 (v2.1) August 4, 2010
Detailed Description
R
21. RS-232 Port Pins
The RS-232 port pin connections to the DUT are as shown in
Table 18
. The pins are set up
in DTE mode as shown in
Figure 4
.
22. Xilinx Generic Interface (XGI)
The XGI is an expansion interface for plug-in modules (for example, the SuperClock
module) and provides the user access to the I/O pins listed in the tables below.
Table 19
(spanning multiple pages) shows the schematic pinout of the XGI interface
converted to an alphanumeric column and row format.
Table 18:
RS-232 Port Pins
Pin Name
Direction
Port Name
ML521
ML523
ML525
TXD
OUT
T1IN
G14
L16
P17
RTS
OUT
T2IN
H13
L15
P18
RXD
IN
R1OUT
G16
L20
P25
CTS
IN
R2OUT
G15
L21
N25
X-Ref Target - Figure 4
Figure 4:
RS-232 Pins in DTE Mode
UG225_04_112807
RS232
DB9
Virtex-5
U1
U3
J3
T1IN
TXD
RTS
RXD
CTS
Pin 3
Pin 7
Pin 2
Pin 8
T2IN
R1OUT
R2OUT
Table 19:
Top View of PCB
Column
Column
F
E
D
C
B
A
Row
J113
J135
J136
J118
1
1
2
1
1
1
2
2
3
4
2
2
3
4
3
5
6
3
3
5
6
4
7
8
4
4
7
8
5
9
10
5
5
9
10
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