...
Then we can set PCHK_VALID_MISSING_PINS to [A..T][4..6] to tell partBuilder that columns 4,5 and 6 in rows A→T are missing
Note that we can also do this another way. We can enter In this simple case we could also use 2 BGA_PIN_NUM directives separated by a comma in the PCHK_DEVICE_PIN_NUMBERS entry to create the 2 sub arrays separately
We can enter:
BGA_PIN_NUMS[A1..T3],BGA_PIN_NUMS[A7..A9] in the PCHK_DEVICE_PIN_NUMBERS
entry because it can accept multiple statementsdirectives
And then we could leave PCHK_VALID_MISSING_PINS blank
