IO Assignments
SPEC with FMC DIO 5ch TTL*
- top LED: ECA out0
- bottom LED: PPS out
- DIO 0: PPS out
- DIO 1: ECA out 1
- DIO 2: ECA out 2
- DIO 3: PPS in (if used as master)
- DIO 4: TSL trigger in
SPEC with SIXIO*
- TTLOUT 1: PPS out
- TTLOUT 2: ECA out 0
- TTLIN 1: TSL trigger in
- LVDS 1: ECA out 1
- LVDS 2: 125MHz out (will be changed to 100 kHz)
- LVDS 3: TSL trigger in
- LVDS 4: unused
SCU*
- LEMO 1: ECA out 0
- LEMO 2: TSL trigger in