Renesas PROM Programming Adapter PCA7408 Technické informace stáhnout pdf (Strana 15)

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Chapter 5. Troubleshooting

The tables below summarizes errors to be checked carefully before you determine them to be a fault.

5.1 Errors That Occur When Writing to PROM

(1) When Newly Purchased

(2) Previously Written Normally

Cause

Remedy

Is the adapter attached to the correct position of the PROM

programmer?

Is the MCU attached to the correct position?

Is the area set correctly?

Is the correct device selected?

The IC socket of the PROM programmer may be stained. The

socket needs replacing.

See page

Programming adapter

PROM programmer

Contact failure

Cause

Remedy

Is the adapter attached to the correct position of the PROM

programmer?

Is the MCU attached to the correct position?

Is the area set correctly?

Is the correct device selected?

The IC socket of the PROM programmer may be stained. The

socket needs replacing.

The PROM programmer connector at which the PROM

programmer is contacted may be stained. Clean it with alcohol,

etc.

See page

Programming adapter

PROM programmer

Contact failure

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Renesas PROM Programming Adapter PCA7408 Technické informace Strana 15