Appendix A: Schematics; Fx2 Expansion Header, 6-Pin Headers, And Connectorless Probe Header - Xilinx Spartan-3E User Manual

Appendix A: Schematics

FX2 Expansion Header, 6-pin Headers, and Connectorless Probe
Header
Headers J1, J2, and J4 are six-pin connectors compatible with the Digilent Accessory board
format.
Headers J3A and J3B are the connections to the FX2 expansion connector located along the
right edge of the board.
Header J5 provides the four analog outputs from the Digital-to-Analog Converter (DAC).
Header J6 is the landing pad for an Agilent or Tektronix connectorless probe.
Header J7 provides the two analog inputs to the programmable pre-amplifier (AMP) and
two-channel Analog-to-Digital Converter (ADC).
The diagram in the lower left corner shows the JTAG chain.
See
132
Chapter 15, "Expansion Connectors,"
www.xilinx.com
for additional information.
Spartan-3E Start Kit Board User Guide
UG230 (v1.0) March 9, 2006
R