Ttl Inputs And Outputs - Dalsa Spyder 3 GigE SG-10-01k80-00-R User Manual

Spyder 3 GigE User's Manual
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A schematic of the TTL input circuitry is shown in
input signals are fed into the engine from external sources via the GPIO connector.

TTL Inputs and Outputs

Figure 11: TTL Input Schematic
DALSA
Signal Description
INPUT_0- LVDS (negative)
INPUT_1+ LVDS/TTL format (positive)
INPUT_1- LVDS (negative)
GND
INPUT_2+ LVDS/TTL format (positive)
INPUT_2- LVDS (negative)
INPUT_3 TTL auxiliary input
OUTPUT_3 TTL auxiliary output
OUTPUT_2+ LVDS/TTL auxiliary output
OUTPUT_0+ LVDS/TTL auxiliary output
OUTPUT_0- LVDS (negative)
OUTPUT_1+ LVDS/TTL auxiliary output
OUTPUT_1- LVDS (negative)
OUTPUT_2- LVDS (negative)
3.3V
1000 Ω
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
F igure 11: TTL Input Schematic. The
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