Sundance SMT166 - Manual (Page 23)

4.2.7 General purpose IOs
The extra SLB connector present on the SMT166 can be used as general purpose IOs.
SLB signals can be 2.5 or 3.3 Volts. This selection is made via jumpers.
Other general purpose IOs can be added by the way of the Master Module site. For
instance an SMT372T placed on the site could have its SLB also dedicated for such
use.
4.2.8 RS232
Two RS232 connections are available on the SMT166. There is one for each FPGA.
The pin-out is shown here:
Signal Pin # Pin # Signal
RX0 1 6 TX0
RX1 2 7 TX1
RX2 3 8 TX2
RX3 4 9 TX3
GND 5 10 GND
The FPGA pin numbers can be matched with the above signal names.
The physical layout of the connector is the same as shown above. It is not
compatible with a standard PC 9-pin D-sub.
4.2.9 USB
A USB interface is available to the CPLD for communication to and from a host. This
is to be used for read and write operation in the flash.
4.2.10 Ethernet
Virtex6 FPGA features built-in TEMAC blocks. There are 4 per FPGA. One will be
dedicated to communicate to an external PHY. This 1-gigabit Ethernet can be used to
connect to a remote host to receive or send commands and/or collect or send data
for storage as an example.
Note that some license might need to be acquired prior to implementing the core
provided by Xilinx.
Product Specification SMT166 Page 23 of 44 Last Edited: 17/06/2014 16:12:00