DE25 HSMC ↔ ADA (HSMC Daughter Card) Pin Map
Mapping rule (pair-wise reverse):
ADA pair k (pins 2k-1, 2k) ↔ DE25 pair 81-k (pins 161-2k, 162-2k).
Equivalently: DE25_odd = 160 - ADA_odd, DE25_even = 162 - ADA_even.
Anchors: ADA 1,2 ↔ DE25 159,160 | ADA 159,160 ↔ DE25 1,2.
ADA pins 161–180 are QSH-090 extras (DE3/QB3 only) — not part of HSMC standard, listed at the bottom.
Sources: DE25-Standard.pdf p.28 (HSMC), ada_v11.pdf p.4 (J9 QSH-090).
| FPGA pin |
DE25 HSMC # |
DE25 signal |
ADA HSMC # |
ADA signal |