pin number | purpose
1
| ground
| 2
| ground
| 3
| MCM1 serial enable
| 4
| MCM2 serial enable
| 5
| MCM3 serial enable
| 6
| MCM4 serial enable
| 7
| MCM5 serial enable
| 8
| MCM6 serial enable
| 9
| ground
| 10
| ground
| 11
| serial clock
| 12
| serial data
| 13
| ground
| 14
| ground
| 15
| serial data out, MCM 1
| 16
| serial data out, MCM 2
| 17
| serial data out, MCM 3
| 18
| serial data out, MCM 4
| 19
| serial data out, MCM 5
| 20
| serial data out, MCM 6
| 21
| serial latch
| 22
| readback enable
| 23
| ground
| 24
| ground
| 25
| Xilinx program
| 26
| MCM reset
| |