ARM Technical Support Knowledge Articles

LPC2148 DEVICE RETURNS LPC2138 DEVICE ID

Applies to: MCB2140 Evaluation Board

Answer


Information in this article applies to:


QUESTION

How can I differentiate between an LPC2138 device and an LPC2148 device?

When I access the LPC2148 via ISP command Read Part Identification, it reports the same number as a LPC2138 device.

ANSWER

In early versions of the LPC2148 device there was a problem which reported the wrong device ID code. If this is a critical error, you must replace the LPC2148 device with a newer device stepping.

MORE INFORMATION

Article last edited on: 2006-11-30 11:28:04

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