ISP CLAMP State Editor Window (File Menu)

Allows you to create I/O Pin State Files describing the ISP CLAMP state for device pins used at the start of programming or other optional action, such as verification. Some of the options described below may be available only when certain conditions are met. For example, you may need to select a certain .

Allows you to specify the ISP CLAMP state for pins on the device specified in the Device box. To edit an ISP CLAMP State cell, click in the cell or select a row and click Change State. Pins with an ISP CLAMP state of locked are non-bonded pins and cannot be edited.

You can specify one of the following four pin-states for individual pins to assume at the start of programming or other optional action, such as verification:

Tri-state— At the start of programming, or other optional action, the pin is tri-stated. Tri-state is the default state for all pins.
High— At the start of programming, or other optional action, the pin is driven high.
Low— At the start of programming, or other optional action, the pin is driven low.
Sample and Sustain— The pin state is sampled prior to entering ISP, and that state is applied and maintained during the ISP operation.