Test 53 pull1_xtrig – Fluke 900 User Manual
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FLUKE 900 SERVICE MANUAL
1
B7
1 B6 1 B5 1
B4 1
B3
1
B2
1
B1
1
BO
1
+
-----
IBYTE 01
0
|ALL=11TSTONI TRIGI
1
1
28
1
2
1
27
1
1
1
1 FAILI FAILI
1
1
1
1
1
+----
IBYTE 1 1 3
1 26 1 4 1
25 1
5
1
24
1
6
1
23
1
+----
IBYTE 21 7
I 22 I 8
| 21 | 9
|
20 | 10 |
19
|
IBYTE 31 11 I 18 I 12 I
17 I 13 I
16 | 14 |
15
|
ALL=1 FAE. - Indicates that one or more lines could not be set high initially (i.e. Lines
shorted low). If only one line is shorted, that line is displayed. If multiple
lines are shorted, individual lines cannot be displayed.
TSTON FAIL - The TSTON line failed to control the triggering.
TEST 53
PULL1_XTRIG
If the Simulation Option (900-001) is installed, this test verifies the operation of the trigger
circuit inside the shadow RAM ASIC chip. It walks a 1 through each line on the pull-ups
latches and tries to trigger on each event
I B7 I B6 I
B5
I
B4
I
B3
I
B2 I B1 | BO |
IBYTE 0| 0
IALL=0ITSTONI TRIG| 1
|
28 | 2
|
27
I
I
I FAIL
I FAIL I
I
I
I
I
I
IBYTE II 3
I 26
I
4
I
25
I
5
I 24 I 6
I
23 I
IBYTE 21 7
I 22 I 8 | 21 | 9
| 20 | 10 | 19 |
IBYTE 31 11 I 18 I 12 I 17 I 13 I 16 | 14 | 15 |
ALL=0 FAIL - Indicates that one or more lines could not be set low initially (i.e. Lines
shorted high). If only one line is shorted, that line is displayed. If
multiple lines are shorted, individual lines cannot be displayed.
TSTON FAIL - The TSTON line failed to control the triggering.
3 - 2 0