Configuration Switch (Sw4) - Humandata XCM-018Z User Manual

3.6. Configuration Switch (SW4)

The specification of configuration switch is below. "ON" means "Low (Ground)".
For each pins details, please refer to Spartan-6 configuration user guide.
SW4
Net Label
Default
Function
M [0..1] value
HSWAPEN

You can set status of user I/O pins before FPGA configuration.
ON : Pull-Up
OFF : Non-Pull-Up (High impedance)
M0, M1

Configuration mode select pins.
The modes showed above are a part of all.
ASW0

You can use this as user switch.
XCM-018Z Series v1.0
1 2
HSWAPEN M0
OFF OFF
Pull-Up Configuration Mode
Master Serial/SPI
OFF - ON
7
3 4
M1 ASW0
OFF OFF
User
JTAG
X - X
X: Don't Care