Samsung S3C6400X User Manual page 255

GPIO
GPLPUD
GPM[n]
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
34
10-
Bit
[2n+1:2n] 00 = pull-up/down disabled
n = 0~5 01 = pull-down enabled
10 = pull-up enabled
11 = Reserved.
S3C6400 RISC MICROPROCESSOR
Description