View source for Samsung S3C2440A vs Samsung S3C2442B

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Return to Samsung S3C2440A vs Samsung S3C2442B.

Retrieved from "http://wiki.openmoko.org/wiki/Samsung_S3C2440A_vs_Samsung_S3C2442B"
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Main article: Samsung S3C2440A


Main article: Samsung S3C2442B


Harald Welte wrote in an e-mail to the neo1973-hardware mailing list: 

[...]
apart from two differences, [the S3C2442B] is software/register-wise exactly
identical to the s3c2440.  Hardware-wise it is packaged with 64MByte
(x32) SDRAM and depending on the type, 128/256MByte NAND flash (2k page
size).

The differences are:

1) all pull-up resistors (GPBUP, ...) are now pull-down
2) the default initializers for the PLL have changed
[...]