Dalsa spyder SG-10-01k80, User Manual, Page: 26 / 112

PRELIMINARY Spyder3 GigE User Manual
03-032-10158-04 DALSA
26
Pin Signal Description
10
O LVDS/TTL auxiliary output
11
O LVDS/TTL auxiliary output
12 OUTPUT_1- LVDS negative component
13 O LVDS/TTL auxiliary output
14 OUTPUT_2- LVDS negative component
15 OUTPUT_3- LVDS negative component
A schematic of the TTL input circuitry is shown in
231H
Figure 11: TTL Input Schematic. The
input signals are fed into the engine from external sources via the GPIO connector.
TTL Inputs and Outputs
Figure 11: TTL Input Schematic
1000
Ω
3.3V
3.3V
TTL
•
Termination: 1000
Ω
serial
•
Input current: minimum 0 nA; maximum 2 mA
•
Input voltage: maximum of low 0.9 V; minimum of high 2.1 V
•
TTL inputs are 5V and 3.3V logic tolerant
Figure 12: TTL Output Schematic
100
Ω
ESD
Protection
5V
Termination: 100
Ω
serial
Output current: sink 50 mA; source 50 mA
Output voltage: maximum of low 0.44 V; minimum of high 2.48 V
LVDS Inputs and Outputs