Configuration Switch (Sw1) - Humandata XCM-020 User Manual

3.6. Configuration Switch (SW1)

The specification of configuration switch is below. "ON" means "Low (Ground)".
For each pins details and other modes setting, please refer to Spartan-6
configuration user guide.
SW1
Net Label
Default
Function
Configuration Mode
Master Serial SPI
*1) Originally, this setting is assigned to slave serial mode.
X_HSWAPEN

You can set status of user I/O pins before and during FPGA configuration.
ON : Pull-Up
OFF : No Pull-Up (High impedance)
X_M1

Configuration mode select pins. The modes showed above are a part of all.
ASW0, ASW1

You can use this as user switch.
XCM-020 Series v1.0
1 2
ASW0 ASW1
OFF OFF
User Configuration Mode
JTAG *1 OFF (High)
3
X_M1
OFF
M1 M0 *2
High
ON (Low) High
*2) M0 is fixed to High.
7
4
X_HSWAPEN
OFF
Pull-Up