
B–63445EN/01
4.INTERFACE BETWEEN NC AND PMC
93
Every time a specified signal changes, the signal status is memorized in
the trace memory. This function is useful for identifying intermittent
troubles.
(1) Trace parameter screen
PMC SIGNAL TRACE
T.DISP
EXEC
MONIT RUN
Changes to a trace memory display screen (Screen on
the next page)
TRACE MODE :
(0:1BYTE/1:2BYTE/2:WORD)
1ST TRACE ADDRESS CONDITION
ADDRESS TYPE : (0:PMC/1:PHY)
ADDRESS :
MASK DATA :
2ND TRACE ADDRESS CONDITION
ADDRESS TYPE : (0:PMC/1:PHY)
ADDRESS :
MASK DATA :
Select each item by cursor key
a. TRACE MODE: Select the trace mode
0=Records changes of 1–byte signals
1=Records changes of independent 2–byte signals
2=Records changes of consecutive 2–byte signals
b. ADDRESS TYPE:
0=PMC address is used for tracing address.
1=Physical address is used for tracing address.
c. ADDRESS:Set a tracing address.
d. MASK DATA: The bits to be traced are specified by a hexadecimal
number (2 digits).
For example, to trace the signals at bit 7,6,5 and 0, set E1
(hexadecimal) to MASK DATA.
#7 #6 #5 #4 #3 #2 #1 #0
E1% 11100001
However, even if bit 4,3,2 and 1 changes, tracing (memory
registration) cannot be done but signal status is memorized when a
tracing is executed.
[Correspondence of binary and hexadecimal number]
0000
2
: 0
16
0001
2
: 1
16
0010
2
: 2
16
0011
2
: 3
16
0100
2
: 4
16
0101
2
: 5
16
0110
2
: 6
16
0111
2
: 7
16
1000
2
: 8
16
1001
2
: 9
16
1010
2
: A
16
1011
2
: B
16
1100
2
: C
16
1101
2
: D
16
1110
2
: E
16
1111
2
: F
16
D TRACE screen