J3 Timing Signals Connector

This section describes the GX5295 J3 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
Type
Pin
Name
Pin
Name
Function
Type
Pin
Name
1
EXT0
Input External event0
I
35
GND
18
ORun
Output Run Indication
O
52
GND
2
EXT1
Input External event1
I
36
GND
19

Aux0
Auxiliary channel 0
I/O
53
GND
3
EXT2
Input External event2
I
37
GND
20
BClk
Independent output programmable clock output
O
54
GND
4
EXT3
Input External event3
I
38
GND
21

Aux1
Auxiliary channel 1
I/O
55
GND
5
EXT4
Input External event4
I
39
GND
22
OClk
Output Clock
O
56
 GND
6
EXT5
Input External event5
I
40
GND
23
Aux2
Auxiliary channel 2
I/O
57
GND
7
EXT6
Input External event6
I
41
GND
24

OStb
Output Strobe
O
58
GND
8
EXT7
Input External event7
I
42
GND
25

Aux3
Auxiliary channel 3
I/O
59
GND
9
NC

No Connection
 
43
GND
26

XTrig
External Trigger Input (Overrides Run Command)
I
60
GND
10
NC

No Connection
 
44
GND
27

XPause
External Pause Input (Overrides Pause Command)
I
61
GND
11
NC

No Connection
 
45
GND
28

XClkEn
External Clock Enable Input (active low)
I
62
GND
12
NC

No Connection
 
46
GND
29

XStbEn
External Strobe Enable Input (active low)
I
63
GND
13
XMeasure
 Ext-Measurement (Not To be used)
O
47
GND
30

ExClkO
Super Voltage Input (Requires Factory Configuration)

I

64

GND
14
NC
No Connection
 
48
GND
31

XClk
External Clock Input (internal PLL reference or sample clock  source)

I

65

GND
15
NC
No Connection
 
49
GND
32

XStb
External Strobe Input

I

66

GND
16
NC
No Connection
 
50
GND
33

SV
Super Voltage Input (Requires Factory Configuration)

I

67

GND
17
OArm
Output Arm Indicationn
O
51
GND
34

GND
Ground
G
68
GND

68-pin Connector J3 Timing UUT

Notes:

●     Unspecified pins are GND.