Matrix Orbital GTT480272A, Hardware Manual

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15
6.6.2 Communication Characteristics
Table 15: RS232 Interface Characteristics
Parameter Min Typ Max Unit
Input Threshold Low 0.6 1.2 - V
Input Threshold High - 1.5 2.4 V
Output Voltage Swing ±5.0 ±5.4 - V
Input Resistance 3 5 7 kΩ
Output Resistance 300 10M - Ω
Output Short Circuit Current - ±35 ±60 mA
Table 16: USB Interface Characteristics
Parameter Min Typ Max Unit
Static Out ut High 2.8 - 3.6 V
Static Output Low - - 0.3 V
Input Differential Thre hold 0.2 - - V
Common Mode Output Voltage 0.8 - 2.5 V
Driver Output Impedance 26 29 44 Ω
Table 17: TTL Interface Characteristics
Parameter Min Typ Max nit
Input Threshold Low - 0 0.8 V
Input Threshold High 2.0 3 5.5 V
Out ut Voltage Low - 0 0.4 V
Output Voltage High 2.9 3 3.3 V
Output Short Circuit Current - - ±50 mA
Table 18: I
2
C Interface Characteristics
Parameter Min Typ Max Unit
Input Threshold Low - 0 0.3 V
Input Threshold High 0.7 5 - V
Output Voltage Low - 0 0.4 V
Output Short Circuit Current - - ±50 mA
Table 19: RS422 Interface Characteristics
Parameter Min Typ Max Unit Remarks
Input Voltage (A and B) -7.0 - 12.0 V
Input Differential Threshold -200 -125 -50 mV -7V < Vin < +12V
Differential Driver Output 2 - 3.3 V RL = 100Ω
Common Mode Output Voltage - 1.65 3 V
Input Resistance 96 - - kΩ -7V < Vin < +12V
Driver Short Circuit Current Limit - - 250 mA
Receiver Output Short Circuit Current - - 95 mA
6.7 Defect Criteria
6.7.1 Display Specifications
Table 20: Display Defect Criteria
Defect Condition Criteria
Line Not Allowed N/A
Bright
Dots
Red + Green + Blue ≤ 3 Dots
Green ≤ 1 Dots
Within φ10mm Circle ≤ 1 Dots
Dots within Adjaent Pixels 0 Sets
Dark
Dots
Red + Green + Blue ≤ 3 Dots
Dots within 2 Adjacent Pixels 0 Sets
Total Bright Dots + Dark Dots ≤ 4 Dots
6.7.2 Appearance Specifications
Table 21: Screen and Touch Defect Criteria
Defect * Condition Critera
Circular
Objects
(Stains, Dust, Dent,
Bubble, Dark/White
spot, Foreign matter)
d < 0.2mm Allowed
0.2mm ≤ d < 0.4mm ≤4points
d ≥ 0.4mm 0points
Rectangular
Objects
(Stains, Dust)
W≤0.1mm + L<0.5mm Allowed
W≤0.1mm + 0.5mm≤L<2.5mm
≤4points
W>0.1mm, L≥2.5mm 0points
Scratches
W≤0.05mm + L≤2.0mm Allowed
W>0.05mm, L>2.0mm 0points
*Note: Defects must occur in Active Area