J3 Timing Signals Connector

This section describes the GX5290/GX5290e Timing connector and external event signals (used only on a Master). This interface uses a 68-pin VHD connector. The following table lists the Timing signals:

Pin
Name
Function
Pin
Name
Function
1
EXT0
Input External event0
18
ORun
Output Run Indication
2
EXT1
Input External event1
19
GND
 
3
EXT2
Input External event2
20
BClk
Independent output programmable clock output
4
EXT3
Input External event3
21
GND
 
5
EXT4
Input External event4
22
OClk
User Output Clock
6
EXT5
Input External event5
23
GND
 
7
EXT6
Input External event6
24
OStb
Strobe Output
8
EXT7
Input External event7
25
GND
 
9
EXT8
Input External event8
26
XTrig
External Trigger Input (Overrides Run Command)
10
EXT9
Input External event9
27
XPause
External Pause Input (Overrides Pause Command)
11
EXT10
Input External event10
28
XClkEn
External Clock Enable Input (active low)
12
EXT11
Input External event11
29
XStbEn
External Strobe Enable Input (active low)
13
EXT12
Input External event12
30
EXCLKO
Output clock, distributes EXCLK to slaves (PCB revision D or later, otherwise GND).
14
EXT13
Input External event13
31
XClk
External Clock Input (reference to the internal clock PLL or sample clock source)
15
EXT14
Input External event14
32
XStb
External Strobe Input
16
EXT15
Input External event15
33
VTH
Termination voltage output for data and control signals
17
OArm
Output Arm Indication
34
GND
 
35
GND
 
67
VTH
Termination voltage output for data and control signals
66
GND
 
68
GND
 

68-pin Connector J3 Timing UUT.

Unspecified pins are GND.