TTC Bus 1.0
TTC connector pinout
pin pair |
signal |
description |
1, 2 |
spill |
Trigger and data readout enable |
3, 4 |
parity |
Odd parity of spill and trigger signals |
5, 6 |
trigger |
Trigger signal |
7, 8 |
clock |
40 MHz clock signal |
9, 10 |
ground |
TTC bus signal ground |
Even signal pin positive.
Spill, trigger and parity signals have width 50 ns and are synchronous to clock.
Connector: 2.54 mm double 10-pin.
Connector part numbers: AMP - 1658621-1
Signal Timing
measurement |
min |
typ |
max |
|
clock frequency |
|
40.0 MHz ±5% |
|
|
spill, parity, trigger |
setup time, ns |
|
8.5 |
10.0 |
hold time, ns |
5.0 |
6.0 |
|
Timing provided by design TTCM v2.0 firmware rev.8512
1 ns step CLK ___/^^^^^^^^^\_________/^^^^^^^^^\_________/^^^ TRIG ________XXXXXXX^^^^^^^^^^^^^XXXXXXX__________... | setup |hold|