The Samsung S3C2442B is the CPU of the Neo1973 GTA02. It is based on an ARM920T core.
[...] 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 [...]