Renesas PCA7448 Manual De Usuario
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Chapter 7. Troubleshooting
The table below summarizes errors to be checked carefully before you determine them to be a fault.
7.1 Errors That Occur When Writing to PROM
Table 7.1 Errors and checkpoints (when newly purchased)
Table 7.2 Errors and checkpoints (previously written normally)
Cause
Remedy
Is the adapter attached to the correct position of the PROM
programmer?
programmer?
Is the MCU attached to the correct position?
Is the correct device selected?
The IC socket of the PROM programmer may be stained. The
socket needs replacing.
socket needs replacing.
See page
Programming adapter
PROM programmer
Contact failure
10
12
9
-
Cause
Remedy
Is the adapter attached to the correct position of the PROM
programmer?
programmer?
Is the MCU attached to the correct position?
Is the correct device selected?
The IC socket of the PROM programmer may be stained. The
socket needs replacing.
socket needs replacing.
The PROM programmer connector (28-pin pin-header) at which
the PROM programmer is contacted may be stained. Clean it
with alcohol, etc.
the PROM programmer is contacted may be stained. Clean it
with alcohol, etc.
See page
Programming adapter
PROM programmer
Contact failure
10
12
9
-
-