ACDE Subpacket for the 2001 BFEM
The ACD subpacket is a fixed length 68 bytes and consists of the following:
| Description | 16 bit word | 16 bit word |
| Trigger counter | 32 bit running counter | |
| Trigger timer | 32 bit time | |
| Trigger Capture Word | lower 26 bits | |
| Veto Capture Word | lower 24 bits | |
| Pulse Height | Brd 0 PMT 0 | Brd 1 PMT 0 |
| Pulse Height | Brd 2 PMT 0 | Brd 3 PMT 0 |
| Pulse Height | Brd 4 PMT 0 | Brd 5 PMT 0 |
| Pulse Height | Brd 0 PMT 1 | Brd 1 PMT 1 |
| Pulse Height | Brd 2 PMT 1 | Brd 3 PMT 1 |
| Pulse Height | Brd 4 PMT 1 | Brd 5 PMT 1 |
| Pulse Height | Brd 0 PMT 2 | Brd 1 PMT 2 |
| Pulse Height | Brd 2 PMT 2 | Brd 3 PMT 2 |
| Pulse Height | Brd 4 PMT 2 | Brd 5 PMT 2 |
| Pulse Height | Brd 0 PMT 3 | Brd 1 PMT 3 |
| Pulse Height | Brd 2 PMT 3 | Brd 3 PMT 3 |
| Pulse Height | Brd 4 PMT 3 | Brd 5 PMT 3 |
| Dead Time Cause | lower 21 bits | |
NOTE: The Pulse Heights are the 12 middle bits in each of the 16 bit words, so the mask is 0x3ffc