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OMAP-L138 i/o drive strength in boundary scan mode

John Ashley
Prodigy 35 points


Hi,

I have a query on what drive strength that you configure for a Texas Instruments OMAP-L138BZCE device when under boundary scan control please, in particular the EMIFA interface.

I am currently using boundary scan tools to exercise the OMAP processor I/O to prove signal integrity of the hardware, the EMIFA interface is connected to both flash and an FPGA on our board. When running simulations, actual board level measurements are not quite stacking up against what I would expect from the simulation tools, unless the i/o pins have been set to a weak drive strength. Could you confirm how you set the drivers to operate please when under boundary scan conditions please. -- Many thanks.