User`s manual

Spyder 3 GigE User’s Manual
DALSA 03-032-10158-09
27
Pin Signal Description
2
INPUT_0- LVDS (negative)
3
INPUT_1+ LVDS/TTL format (positive)
4
INPUT_1- LVDS (negative)
5
GND
6
INPUT_2+ LVDS/TTL format (positive)
7
INPUT_2- LVDS (negative)
8
INPUT_3 TTL auxiliary input
9
OUTPUT_3 TTL auxiliary output
10
OUTPUT_2+ LVDS/TTL auxiliary output
11
OUTPUT_0+ LVDS/TTL auxiliary output
12
OUTPUT_0- LVDS (negative)
13
OUTPUT_1+ LVDS/TTL auxiliary output
14
OUTPUT_1- LVDS (negative)
15
OUTPUT_2- LVDS (negative)
A schematic of the TTL input circuitry is shown in 234HFigure 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 series
• Input current: minimum 0 nA; maximum 2 mA
• Input voltage: maximum of low 0.66 V; minimum of high 2.6 V
• TTL inputs are 5V and 3.3V logic tolerant