HW-SPAR3E-SK-US-G Xilinx Inc, HW-SPAR3E-SK-US-G Datasheet - Page 116
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HW-SPAR3E-SK-US-G
Manufacturer Part Number
HW-SPAR3E-SK-US-G
Description
KIT STARTER SPARTAN-3E
Manufacturer
Xilinx Inc
Specifications of HW-SPAR3E-SK-US-G
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
122-1507
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Chapter 15: Expansion Connectors
116
Voltage Supplies to the Connector
Connector Pinout and FPGA Connections
Three signals are reserved primarily as clock signals between the board and FX2 connector,
although all three connect to full I/O pins.
The Spartan-3E Starter Kit board provides power to the Hirose 100-pin FX connector and
any attached board via two supplies (see
source for any 5V logic on the attached board or alternately provides power to any voltage
regulators on the attached board.
A separate supply provides the same voltage at that applied to the FPGA’s I/O Bank 0. All
FPGA I/Os that interface to the Hirose connector are in Bank 0. The I/O Bank 0 supply is
3.3V by default. However, the voltage level can be changed to 2.5V using jumper JP9. Some
FPGA I/O standards—especially the differential standards such as RSDS and LVDS—
require a 2.5V output supply voltage.
To support high-speed signals across the connector, a majority of pins on the B-side of the
FX2 connector are tied to GND.
Table 15-1
pin connections. The FX2 connect has two rows of connectors, both with 50 connections
each, shown in the table using light yellow shading.
Table 15-1
Accessory Headers (J1, J2, and J4), and the connectorless debugging header (J6).
Figure 15-2: FPGA Connections to the Hirose 100-pin Edge Connector
shows the pinout for the Hirose 100-pin FX2 connector and the associated FPGA
also highlights the shared connections to the eight discrete LEDs, the three 6-pin
Spartan-3E FPGA
(See Table)
(See Table)
(C15)
(D10)
(E10)
(C3)
(D9)
www.xilinx.com
2.5V
Bank 0 Supply
FX2_IO<34:1>
FX2_IP<38:35>
FX2_CLKOUT
FX2_IO<39>
FX2_IP<40>
FX2_CLKIN
FX2_CLKIO
(JP9)
Figure
GND
5.0V
3.3V
Spartan-3E FPGA Starter Kit Board User Guide
15-2). The 5.0V supply provides a voltage
Hirose 100-pin Expansion
(See Table)
(See Table)
(A.44)
(A.45)
(B.46)
(A.47)
(B.48)
Connector (J3)
UG230 (v1.2) January 20, 2011
UG230_c12_02_022406
R
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