Troubleshooting, 1 errors that occur when writing to prom, 1) when newly purchased – Renesas PCA4738H-100A User Manual
Page 23: 2) previously written normally, Chapter 5. troubleshooting
( 23 / 26 )
Chapter 5. Troubleshooting
Be sure to check the following before seeking technical support.
5.1 Errors That Occur When Writing to PROM
(1) When Newly Purchased
(2) Previously Written Normally
Cause
Check point
Is the correct PROM programmer connector selected?
Is the adapter attached to the correct position of the PROM
programmer?
Are the switches on the adapter set correctly?
Is the MCU attached to the correct position?
Is the area specification set correctly?
Is the correct device selected?
The IC socket of the PROM programmer may be stained. The
socket needs replacing.
See page
10
Programming adapter
PROM programmer
Contact failure
11
12
14
16, 17, 18
10, 18
-
Cause
Programming adapter
PROM programmer
Contact failure
Check point
Is the correct PROM programmer connector selected?
Is the adapter attached to the correct position of the PROM
programmer?
Are the switches on the adapter set correctly?
Is the MCU attached to the correct position?
Is the area specification set correctly?
Is the correct device selected?
The IC socket of the PROM programmer may be stained. The
socket needs replacing.
The connector with which the PROM programmer contacts
may be stained. Clean it with alcohol, etc.
See page
10
11
12
14
16, 17, 18
10, 18
-
-