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Hi, a newbie 's question. What does sectioning do in DE HDL?
So far I only learnt that sectioning a part can display the pin numbers of all the pins of that particular part, and of course a psm must be mapped to that part symbol initially.
Thanks in advance.
You're correct, the DEHDL Section command will add the part's pin numbers to its pin stubs. However, the preferred method of seeing the pin numbers is to run Export Physical and insure the back annotation option is enabled. This will add pin numbers to all the parts in the entire design.
Using the Section command, while it does display pin numbers, will "fix" those pin numbers so that the PCB designer will not be able to swap gates within a footprint. Essentially, you're conveying that you don't want those pins to be swapped. This is why you should only use the Section command if you want to prevent pin swapping. The PCB designer does have an override capability, but it's not often used.
In reply to Jerry Grzenia:
Thanks for the reply. Just for a better understanding,
say I have two pins U1.1 and U1.2 are supposed to be connected to the two input pins of a NOR gate: U2.1 and U2.2. (e.g U1.1 to U2.1 and U1.2 to U2.2),
of course it would also be right if U1.1 is connected to U2.2 and U1.2 to U2.1. (U1.1 and U1.2 swap)
by sectioning U1 -> "fixing" U1, U1.1 will be mapped to U2.1 and U1.2 to U2.2 when the schematic is exported to PCB Editor (re-packaged).
am I right to interprete like this?
In reply to admin: