Control Connector

This topic describes the GX5050’s Control connector J1. This 68-pin, very high-density (VHD) connector handles UUT control signals.

GX5050 Control Connector

GX5050 Control Connector

 

The following table defines the GT5150 DIO to UUT control interface. This interface uses a 14-pin VHD connector.

Pin
Signal
Type
Pin
Signal
Type
Pin
Signal
Type
Pin
Signal
Type
1
GND
P
18
GND
P
35
GND
P
52
GND
P
2
N/C
 
19
OEN0
OT
36
N/C
 
53
GND
P
3
N/C
 
20
OEN1
OT
37
N/C
 
54
GND
P
4
N/C
 
21
OEN2
OT
38
N/C
 
55
GND
P
5
N/C
 
22
OEN3
OT
39
N/C
 
56
GND
P
6
GND
P
23
GND
P
40
GND
P
57
GND
P
7
N/C
 
24
XOE0
IT
41
N/C
 
58
GND
P
8
N/C
 
25
XOE1
IT
42
N/C
 
59
GND
P
9
N/C
 
26
XOE2
IT
43
N/C
 
60
GND
P
10
N/C
 
27
XOE3
IT
44
N/C
 
61
GND
P
11
GND
P
28
GND
P
45
GND
P
62
GND
P
12
N/C
 
29
JA
IT
46
N/C
 
63
GND
P
13
N/C
 
30
N/C
OT
47
N/C
 
64
GND
P
14
SCLK
OT
31
5V
P
48
GND
P
65
GND
P
15
SSYNCCC
OT
32
5V
P
49
GND
P
66
GND
P
16
SDOUT
OT
33
VTHI
P
50
GND
P
67
VTHI
P
17
SDIN
IT
34
VTLO
P
51
GND
P
68
VTLO
P

14-Pin UUT Control Connector, J9

 

Notes for the table:

Signal
Description
Signal
Description
Fail
Comparison fail, GX5950 only.
P
Power/GND
I
Input
VTHI
Terminator voltage, 3.3V or 5V
IT
Input TTL level
SCLK, SDOUT, SDIN, SSYNC
Should not be connected at any time.
JA
Jump to a predefined address A Input. A low on this line will cause a jump to that address.
VTHI
High terminators voltage
O
Output
VTLO
Low terminators voltage.
OEN0-EN3
IOM generated Output Enables. A low on these lines specifies the I/O group currently enabled.
XOE0-OE3
External Output Enable input controls for each I/O group. A low on these lines will force the specific group to disable its output drivers.
OT
Output TTL level