10-75
10 CPU Unit Functions
CJ2 CPU Unit Software User’s Manual
10-7 Debugging
10
10-7-6 Tracing Data
z CJ2 CPU Unit Data Trace Specifications
The following table compares the data trace specifications of the CJ2 CPU Units and CJ1 CPU
Units.
Item CJ2 CPU Unit CJ2M CPU Unit CJ1 CPU Unit
Memory capacity CPU64(-EIP)/65(-EIP):
8,000 words
CPU66(-EIP): 16,000
words
CPU67(-EIP)/68(-EIP):
32,000 words
Part of the EM Area can
be used instead of the
data trace area. (Maxi-
mum EM Area trace data
capacity: 32 Kwords × 25
banks).
8,000 words
Part of the EM Area can
be used instead of the
data trace area (up to 32K
words each in four banks).
4,000 words
Sampling size Sampling bits: 31
Sampling words: 16
One-word data = 16 max.
Two-word data = 8 max.
Four-word data = 4 max.
Sampling bits: 31
Sampling words: 16 max.
One-word data = 16 max.
Two-word data = 8 max.
Four-word data = 4 max.
Sampling bits: 31
Sampling words: 6
max.
Cycle (when constant) 1 to 2,550 ms (1-ms incre-
ments)
1 to 2,550 ms (1-ms incre-
ments)
10 to 2,550 ms (10-ms
increments)
Automatic start at startup Possible Possible Not possible.
Continuous tracing Possible
It is possible to continue
the trace by reading the
trace data to the CX-Pro-
grammer before exceed-
ing the trace memory
capacity.
Possible
It is possible to continue
the trace by reading the
trace data to the CX-Pro-
grammer before exceed-
ing the trace memory
capacity.
Not possible.
Data length for setting trigger
length
Data lengths of 1 word, 2
words, or 4 words
Data lengths of 1 word, 2
words, or 4 words
1 word
Trigger conditions =, >, ≥, <, ≤, and ≠can be
used.
=, >, ≥, <, ≤, and ≠can be
used.
Only = can be used.
Delay value −32,768 to 32,767 −32,768 to 32,767 −1,999 to 2,000
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